sql_yacc.yy 233 KB
Newer Older
1
/* Copyright (C) 2000-2003 MySQL AB
2

unknown's avatar
unknown committed
3 4 5 6
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
7

unknown's avatar
unknown committed
8 9 10 11
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
12

unknown's avatar
unknown committed
13 14 15 16
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

unknown's avatar
unknown committed
17
/* sql_yacc.yy */
unknown's avatar
unknown committed
18 19

%{
20 21 22
/* thd is passed as an arg to yyparse(), and subsequently to yylex().
** The type will be void*, so it must be  cast to (THD*) when used.
** Use the YYTHD macro for this.
23 24
*/
#define YYPARSE_PARAM yythd
25
#define YYLEX_PARAM yythd
26 27
#define YYTHD ((THD *)yythd)

unknown's avatar
unknown committed
28 29 30
#define MYSQL_YACC
#define YYINITDEPTH 100
#define YYMAXDEPTH 3200				/* Because of 64K stack */
31
#define Lex (YYTHD->lex)
32
#define Select Lex->current_select
unknown's avatar
unknown committed
33
#include "mysql_priv.h"
unknown's avatar
unknown committed
34
#include "slave.h"
unknown's avatar
unknown committed
35
#include "lex_symbol.h"
36
#include "item_create.h"
37 38 39 40
#include "sp_head.h"
#include "sp_pcontext.h"
#include "sp_rcontext.h"
#include "sp.h"
unknown's avatar
unknown committed
41
#include <myisam.h>
42
#include <myisammrg.h>
43

44
int yylex(void *yylval, void *yythd);
unknown's avatar
unknown committed
45

46 47
const LEX_STRING null_lex_str={0,0};

unknown's avatar
unknown committed
48
#define yyoverflow(A,B,C,D,E,F) {ulong val= *(F); if (my_yyoverflow((B), (D), &val)) { yyerror((char*) (A)); return 2; } else { *(F)= (YYSIZE_T)val; }}
unknown's avatar
unknown committed
49

unknown's avatar
unknown committed
50
#define WARN_DEPRECATED(A,B)                                        \
unknown's avatar
unknown committed
51
  push_warning_printf(((THD *)yythd), MYSQL_ERROR::WARN_LEVEL_WARN, \
unknown's avatar
unknown committed
52
		      ER_WARN_DEPRECATED_SYNTAX,                    \
53
		      ER(ER_WARN_DEPRECATED_SYNTAX), (A), (B));
unknown's avatar
unknown committed
54

unknown's avatar
unknown committed
55
#define YYERROR_UNLESS(A)                  \
unknown's avatar
unknown committed
56
  if (!(A))                             \
unknown's avatar
unknown committed
57 58 59 60 61
  {					\
    yyerror(ER(ER_SYNTAX_ERROR));	\
    YYABORT;				\
  }

62 63
/* Helper for parsing "IS [NOT] truth_value" */
inline Item *is_truth_value(Item *A, bool v1, bool v2)
unknown's avatar
unknown committed
64
{
65 66
  return new Item_func_if(create_func_ifnull(A,
	new Item_int((char *) (v2 ? "TRUE" : "FALSE"), v2, 1)),
67
	new Item_int((char *) (v1 ? "TRUE" : "FALSE"), v1, 1),
68
	new Item_int((char *) (v1 ? "FALSE" : "TRUE"),!v1, 1));
unknown's avatar
unknown committed
69 70 71 72 73 74
}

%}
%union {
  int  num;
  ulong ulong_num;
unknown's avatar
unknown committed
75
  ulonglong ulonglong_number;
unknown's avatar
unknown committed
76 77 78 79 80 81
  LEX_STRING lex_str;
  LEX_STRING *lex_str_ptr;
  LEX_SYMBOL symbol;
  Table_ident *table;
  char *simple_string;
  Item *item;
82
  Item_num *item_num;
unknown's avatar
unknown committed
83 84
  List<Item> *item_list;
  List<String> *string_list;
unknown's avatar
unknown committed
85 86 87 88 89
  String *string;
  key_part_spec *key_part;
  TABLE_LIST *table_list;
  udf_func *udf;
  LEX_USER *lex_user;
unknown's avatar
unknown committed
90
  struct sys_var_with_base variable;
91
  enum enum_var_type var_type;
unknown's avatar
unknown committed
92
  Key::Keytype key_type;
unknown's avatar
unknown committed
93
  enum ha_key_alg key_alg;
unknown's avatar
unknown committed
94 95
  enum db_type db_type;
  enum row_type row_type;
unknown's avatar
unknown committed
96
  enum ha_rkey_function ha_rkey_mode;
unknown's avatar
unknown committed
97
  enum enum_tx_isolation tx_isolation;
98
  enum Cast_target cast_type;
unknown's avatar
unknown committed
99
  enum Item_udftype udf_type;
100
  CHARSET_INFO *charset;
unknown's avatar
unknown committed
101
  thr_lock_type lock_type;
102
  interval_type interval, interval_time_st;
103
  timestamp_type date_time_type;
unknown's avatar
unknown committed
104
  st_select_lex *select_lex;
unknown's avatar
unknown committed
105
  chooser_compare_func_creator boolfunc2creator;
106 107 108 109
  struct sp_cond_type *spcondtype;
  struct { int vars, conds, hndlrs, curs; } spblock;
  sp_name *spname;
  struct st_lex *lex;
unknown's avatar
unknown committed
110 111 112
}

%{
113
bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
unknown's avatar
unknown committed
114 115 116 117
%}

%pure_parser					/* We have threads */

unknown's avatar
unknown committed
118
%token  END_OF_INPUT
unknown's avatar
unknown committed
119

120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149
%token  ABORT_SYM
%token  ACTION
%token  ADD
%token  ADDDATE_SYM
%token  AFTER_SYM
%token  AGAINST
%token  AGGREGATE_SYM
%token  ALGORITHM_SYM
%token  ALL
%token  ALTER
%token  ANALYZE_SYM
%token  AND_AND_SYM
%token  AND_SYM
%token  ANY_SYM
%token  AS
%token  ASC
%token  ASCII_SYM
%token  ASENSITIVE_SYM
%token  ATAN
%token  AUTO_INC
%token  AVG_ROW_LENGTH
%token  AVG_SYM
%token  BACKUP_SYM
%token  BEFORE_SYM
%token  BEGIN_SYM
%token  BENCHMARK_SYM
%token  BERKELEY_DB_SYM
%token  BIGINT
%token  BINARY
%token  BINLOG_SYM
unknown's avatar
unknown committed
150
%token  BIN_NUM
151 152 153 154 155 156 157 158 159 160 161 162 163 164
%token  BIT_AND
%token  BIT_OR
%token  BIT_SYM
%token  BIT_XOR
%token  BLOB_SYM
%token  BOOLEAN_SYM
%token  BOOL_SYM
%token  BOTH
%token  BTREE_SYM
%token  BY
%token  BYTE_SYM
%token  CACHE_SYM
%token  CALL_SYM
%token  CASCADE
165
%token  CASCADED
166
%token  CAST_SYM
unknown's avatar
unknown committed
167
%token  CHAIN_SYM
168 169 170 171 172 173 174 175 176 177
%token  CHANGE
%token  CHANGED
%token  CHARSET
%token  CHAR_SYM
%token  CHECKSUM_SYM
%token  CHECK_SYM
%token  CIPHER_SYM
%token  CLIENT_SYM
%token  CLOSE_SYM
%token  COALESCE
unknown's avatar
unknown committed
178
%token  CODE_SYM
179 180 181 182 183 184 185
%token  COLLATE_SYM
%token  COLLATION_SYM
%token  COLUMNS
%token  COLUMN_SYM
%token  COMMENT_SYM
%token  COMMITTED_SYM
%token  COMMIT_SYM
unknown's avatar
unknown committed
186
%token  COMPACT_SYM
187 188 189 190
%token  COMPRESSED_SYM
%token  CONCAT
%token  CONCAT_WS
%token  CONCURRENT
191
%token  CONDITION_SYM
192 193 194
%token  CONNECTION_SYM
%token  CONSISTENT_SYM
%token  CONSTRAINT
195 196
%token  CONTAINS_SYM
%token  CONTINUE_SYM
197 198 199 200 201 202 203
%token  CONVERT_SYM
%token  CONVERT_TZ_SYM
%token  COUNT_SYM
%token  CREATE
%token  CROSS
%token  CUBE_SYM
%token  CURDATE
204
%token  CURRENT_USER
205 206 207 208 209 210 211 212 213 214 215 216 217 218 219
%token  CURSOR_SYM
%token  CURTIME
%token  DATABASE
%token  DATABASES
%token  DATA_SYM
%token  DATETIME
%token  DATE_ADD_INTERVAL
%token  DATE_SUB_INTERVAL
%token  DATE_SYM
%token  DAY_HOUR_SYM
%token  DAY_MICROSECOND_SYM
%token  DAY_MINUTE_SYM
%token  DAY_SECOND_SYM
%token  DAY_SYM
%token  DEALLOCATE_SYM
unknown's avatar
unknown committed
220
%token  DECIMAL_NUM
221
%token  DECIMAL_SYM
222
%token  DECLARE_SYM
223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244
%token  DECODE_SYM
%token  DEFAULT
%token  DEFINER_SYM
%token  DELAYED_SYM
%token  DELAY_KEY_WRITE_SYM
%token  DELETE_SYM
%token  DESC
%token  DESCRIBE
%token  DES_DECRYPT_SYM
%token  DES_ENCRYPT_SYM
%token  DES_KEY_FILE
%token  DETERMINISTIC_SYM
%token  DIRECTORY_SYM
%token  DISABLE_SYM
%token  DISCARD
%token  DISTINCT
%token  DIV_SYM
%token  DOUBLE_SYM
%token  DO_SYM
%token  DROP
%token  DUAL_SYM
%token  DUMPFILE
unknown's avatar
unknown committed
245
%token  DUPLICATE_SYM
246
%token  DYNAMIC_SYM
247
%token  EACH_SYM
248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265
%token  ELSEIF_SYM
%token  ELT_FUNC
%token  ENABLE_SYM
%token  ENCLOSED
%token  ENCODE_SYM
%token  ENCRYPT
%token  END
%token  ENGINES_SYM
%token  ENGINE_SYM
%token  ENUM
%token  EQ
%token  EQUAL_SYM
%token  ERRORS
%token  ESCAPED
%token  ESCAPE_SYM
%token  EVENTS_SYM
%token  EXECUTE_SYM
%token  EXISTS
266
%token  EXIT_SYM
267 268 269 270 271 272
%token  EXPANSION_SYM
%token  EXPORT_SET
%token  EXTENDED_SYM
%token  EXTRACT_SYM
%token  FALSE_SYM
%token  FAST_SYM
273
%token  FETCH_SYM
274 275 276 277 278 279 280 281 282 283 284
%token  FIELD_FUNC
%token  FILE_SYM
%token  FIRST_SYM
%token  FIXED_SYM
%token  FLOAT_NUM
%token  FLOAT_SYM
%token  FLUSH_SYM
%token  FORCE_SYM
%token  FOREIGN
%token  FORMAT_SYM
%token  FOR_SYM
285
%token  FOUND_SYM
286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
%token  FRAC_SECOND_SYM
%token  FROM
%token  FROM_UNIXTIME
%token  FULL
%token  FULLTEXT_SYM
%token  FUNCTION_SYM
%token  FUNC_ARG0
%token  FUNC_ARG1
%token  FUNC_ARG2
%token  FUNC_ARG3
%token  GE
%token  GEOMCOLLFROMTEXT
%token  GEOMETRYCOLLECTION
%token  GEOMETRY_SYM
%token  GEOMFROMTEXT
%token  GEOMFROMWKB
%token  GET_FORMAT
%token  GLOBAL_SYM
%token  GOTO_SYM
%token  GRANT
%token  GRANTS
%token  GREATEST_SYM
%token  GROUP
%token  GROUP_CONCAT_SYM
%token  GROUP_UNIQUE_USERS
%token  GT_SYM
%token  HANDLER_SYM
%token  HASH_SYM
%token  HAVING
%token  HELP_SYM
%token  HEX_NUM
%token  HIGH_PRIORITY
%token  HOSTS_SYM
%token  HOUR_MICROSECOND_SYM
%token  HOUR_MINUTE_SYM
%token  HOUR_SECOND_SYM
%token  HOUR_SYM
%token  IDENT
%token  IDENTIFIED_SYM
%token  IDENT_QUOTED
%token  IF
%token  IGNORE_SYM
%token  IMPORT
%token  INDEXES
%token  INDEX_SYM
%token  INFILE
%token  INNER_SYM
%token  INNOBASE_SYM
334
%token  INOUT_SYM
335 336 337 338 339 340
%token  INSENSITIVE_SYM
%token  INSERT
%token  INSERT_METHOD
%token  INTERVAL_SYM
%token  INTO
%token  INT_SYM
341
%token  INVOKER_SYM
342 343 344 345 346 347 348 349 350 351
%token  IN_SYM
%token  IS
%token  ISOLATION
%token  ISSUER_SYM
%token  ITERATE_SYM
%token  JOIN_SYM
%token  KEYS
%token  KEY_SYM
%token  KILL_SYM
%token  LABEL_SYM
352
%token  LANGUAGE_SYM
353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370
%token  LAST_INSERT_ID
%token  LAST_SYM
%token  LE
%token  LEADING
%token  LEAST_SYM
%token  LEAVES
%token  LEAVE_SYM
%token  LEFT
%token  LEVEL_SYM
%token  LEX_HOSTNAME
%token  LIKE
%token  LIMIT
%token  LINEFROMTEXT
%token  LINES
%token  LINESTRING
%token  LOAD
%token  LOCAL_SYM
%token  LOCATE
371
%token  LOCATOR_SYM
372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405
%token  LOCKS_SYM
%token  LOCK_SYM
%token  LOGS_SYM
%token  LOG_SYM
%token  LONGBLOB
%token  LONGTEXT
%token  LONG_NUM
%token  LONG_SYM
%token  LOOP_SYM
%token  LOW_PRIORITY
%token  LT
%token  MAKE_SET_SYM
%token  MASTER_CONNECT_RETRY_SYM
%token  MASTER_HOST_SYM
%token  MASTER_LOG_FILE_SYM
%token  MASTER_LOG_POS_SYM
%token  MASTER_PASSWORD_SYM
%token  MASTER_PORT_SYM
%token  MASTER_POS_WAIT
%token  MASTER_SERVER_ID_SYM
%token  MASTER_SSL_CAPATH_SYM
%token  MASTER_SSL_CA_SYM
%token  MASTER_SSL_CERT_SYM
%token  MASTER_SSL_CIPHER_SYM
%token  MASTER_SSL_KEY_SYM
%token  MASTER_SSL_SYM
%token  MASTER_SYM
%token  MASTER_USER_SYM
%token  MATCH
%token  MAX_CONNECTIONS_PER_HOUR
%token  MAX_QUERIES_PER_HOUR
%token  MAX_ROWS
%token  MAX_SYM
%token  MAX_UPDATES_PER_HOUR
unknown's avatar
unknown committed
406
%token  MAX_USER_CONNECTIONS_SYM
407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429
%token  MEDIUMBLOB
%token  MEDIUMINT
%token  MEDIUMTEXT
%token  MEDIUM_SYM
%token  MERGE_SYM
%token  MICROSECOND_SYM
%token  MIGRATE_SYM
%token  MINUTE_MICROSECOND_SYM
%token  MINUTE_SECOND_SYM
%token  MINUTE_SYM
%token  MIN_ROWS
%token  MIN_SYM
%token  MLINEFROMTEXT
%token  MODE_SYM
%token  MODIFIES_SYM
%token  MODIFY_SYM
%token  MOD_SYM
%token  MONTH_SYM
%token  MPOINTFROMTEXT
%token  MPOLYFROMTEXT
%token  MULTILINESTRING
%token  MULTIPOINT
%token  MULTIPOLYGON
unknown's avatar
unknown committed
430
%token  MUTEX_SYM
431 432 433 434 435 436
%token  NAMES_SYM
%token  NAME_SYM
%token  NATIONAL_SYM
%token  NATURAL
%token  NCHAR_STRING
%token  NCHAR_SYM
unknown's avatar
unknown committed
437
%token  NDBCLUSTER_SYM
438 439 440 441 442 443 444 445 446 447 448 449
%token  NE
%token  NEW_SYM
%token  NEXT_SYM
%token  NONE_SYM
%token  NOT2_SYM
%token  NOT_SYM
%token  NOW_SYM
%token  NO_SYM
%token  NO_WRITE_TO_BINLOG
%token  NULL_SYM
%token  NUM
%token  NUMERIC_SYM
unknown's avatar
unknown committed
450
%token  NVARCHAR_SYM
451 452 453
%token  OFFSET_SYM
%token  OLD_PASSWORD
%token  ON
454
%token  ONE_SHOT_SYM
455 456 457 458 459 460 461 462 463 464 465
%token  ONE_SYM
%token  OPEN_SYM
%token  OPTIMIZE
%token  OPTION
%token  OPTIONALLY
%token  OR2_SYM
%token  ORDER_SYM
%token  OR_OR_SYM
%token  OR_SYM
%token  OUTER
%token  OUTFILE
466
%token  OUT_SYM
467 468 469
%token  PACK_KEYS_SYM
%token  PARTIAL
%token  PASSWORD
470
%token  PARAM_MARKER
471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498
%token  PHASE_SYM
%token  POINTFROMTEXT
%token  POINT_SYM
%token  POLYFROMTEXT
%token  POLYGON
%token  POSITION_SYM
%token  PRECISION
%token  PREPARE_SYM
%token  PREV_SYM
%token  PRIMARY_SYM
%token  PRIVILEGES
%token  PROCEDURE
%token  PROCESS
%token  PROCESSLIST_SYM
%token  PURGE
%token  QUARTER_SYM
%token  QUERY_SYM
%token  QUICK
%token  RAID_0_SYM
%token  RAID_CHUNKS
%token  RAID_CHUNKSIZE
%token  RAID_STRIPED_SYM
%token  RAID_TYPE
%token  RAND
%token  READS_SYM
%token  READ_SYM
%token  REAL
%token  RECOVER_SYM
unknown's avatar
unknown committed
499
%token  REDUNDANT_SYM
500 501 502 503 504
%token  REFERENCES
%token  REGEXP
%token  RELAY_LOG_FILE_SYM
%token  RELAY_LOG_POS_SYM
%token  RELAY_THREAD
unknown's avatar
unknown committed
505
%token  RELEASE_SYM
506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525
%token  RELOAD
%token  RENAME
%token  REPAIR
%token  REPEATABLE_SYM
%token  REPEAT_SYM
%token  REPLACE
%token  REPLICATION
%token  REQUIRE_SYM
%token  RESET_SYM
%token  RESOURCES
%token  RESTORE_SYM
%token  RESTRICT
%token  RESUME_SYM
%token  RETURNS_SYM
%token  RETURN_SYM
%token  REVOKE
%token  RIGHT
%token  ROLLBACK_SYM
%token  ROLLUP_SYM
%token  ROUND
unknown's avatar
unknown committed
526
%token  ROUTINE_SYM
527 528 529 530 531 532 533 534
%token  ROWS_SYM
%token  ROW_COUNT_SYM
%token  ROW_FORMAT_SYM
%token  ROW_SYM
%token  RTREE_SYM
%token  SAVEPOINT_SYM
%token  SECOND_MICROSECOND_SYM
%token  SECOND_SYM
535
%token  SECURITY_SYM
536 537
%token  SELECT_SYM
%token  SENSITIVE_SYM
538
%token  SEPARATOR_SYM
539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555
%token  SERIALIZABLE_SYM
%token  SERIAL_SYM
%token  SESSION_SYM
%token  SET
%token  SET_VAR
%token  SHARE_SYM
%token  SHIFT_LEFT
%token  SHIFT_RIGHT
%token  SHOW
%token  SHUTDOWN
%token  SIGNED_SYM
%token  SIMPLE_SYM
%token  SLAVE
%token  SMALLINT
%token  SNAPSHOT_SYM
%token  SOUNDS_SYM
%token  SPATIAL_SYM
556 557 558 559
%token  SPECIFIC_SYM
%token  SQLEXCEPTION_SYM
%token  SQLSTATE_SYM
%token  SQLWARNING_SYM
560 561 562 563 564 565 566 567
%token  SQL_BIG_RESULT
%token  SQL_BUFFER_RESULT
%token  SQL_CACHE_SYM
%token  SQL_CALC_FOUND_ROWS
%token  SQL_NO_CACHE_SYM
%token  SQL_SMALL_RESULT
%token  SQL_SYM
%token  SQL_THREAD
568
%token  SSL_SYM
569 570 571 572
%token  STARTING
%token  START_SYM
%token  STATUS_SYM
%token  STD_SYM
573
%token  STDDEV_SAMP_SYM
574 575 576 577 578 579 580 581 582 583 584
%token  STOP_SYM
%token  STORAGE_SYM
%token  STRAIGHT_JOIN
%token  STRING_SYM
%token  SUBDATE_SYM
%token  SUBJECT_SYM
%token  SUBSTRING
%token  SUBSTRING_INDEX
%token  SUM_SYM
%token  SUPER_SYM
%token  SUSPEND_SYM
585
%token  SYSDATE
586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603
%token  TABLES
%token  TABLESPACE
%token  TABLE_SYM
%token  TEMPORARY
%token  TEMPTABLE_SYM
%token  TERMINATED
%token  TEXT_STRING
%token  TEXT_SYM
%token  TIMESTAMP
%token  TIMESTAMP_ADD
%token  TIMESTAMP_DIFF
%token  TIME_SYM
%token  TINYBLOB
%token  TINYINT
%token  TINYTEXT
%token  TO_SYM
%token  TRAILING
%token  TRANSACTION_SYM
604
%token  TRIGGER_SYM
605
%token  TRIGGERS_SYM
606 607 608
%token  TRIM
%token  TRUE_SYM
%token  TRUNCATE_SYM
unknown's avatar
unknown committed
609
%token  TYPES_SYM
610 611 612 613 614 615 616
%token  TYPE_SYM
%token  UDF_RETURNS_SYM
%token  UDF_SONAME_SYM
%token  ULONGLONG_NUM
%token  UNCOMMITTED_SYM
%token  UNDEFINED_SYM
%token  UNDERSCORE_CHARSET
617
%token  UNDO_SYM
618 619 620 621 622 623 624 625 626 627
%token  UNICODE_SYM
%token  UNION_SYM
%token  UNIQUE_SYM
%token  UNIQUE_USERS
%token  UNIX_TIMESTAMP
%token  UNKNOWN_SYM
%token  UNLOCK_SYM
%token  UNLOCK_SYM
%token  UNSIGNED
%token  UNTIL_SYM
628
%token  UNTIL_SYM
629 630 631 632 633 634 635 636 637 638
%token  UPDATE_SYM
%token  UPDATE_SYM
%token  USAGE
%token  USER
%token  USE_FRM
%token  USE_SYM
%token  USING
%token  UTC_DATE_SYM
%token  UTC_TIMESTAMP_SYM
%token  UTC_TIME_SYM
639
%token  VAR_SAMP_SYM
640 641 642 643 644 645 646 647 648 649 650 651
%token  VALUES
%token  VALUE_SYM
%token  VARBINARY
%token  VARCHAR
%token  VARIABLES
%token  VARIANCE_SYM
%token  VARYING
%token  VIEW_SYM
%token  WARNINGS
%token  WEEK_SYM
%token  WHEN_SYM
%token  WHERE
652
%token  WHILE_SYM
653 654 655 656 657 658 659 660 661 662
%token  WITH
%token  WORK_SYM
%token  WRITE_SYM
%token  X509_SYM
%token  XA_SYM
%token  XOR
%token  YEARWEEK
%token  YEAR_MONTH_SYM
%token  YEAR_SYM
%token  ZEROFILL
unknown's avatar
unknown committed
663

664
%left   JOIN_SYM INNER_SYM STRAIGHT_JOIN CROSS LEFT RIGHT
unknown's avatar
unknown committed
665 666
/* A dummy token to force the priority of table_ref production in a join. */
%left   TABLE_REF_PRIORITY
unknown's avatar
unknown committed
667
%left   SET_VAR
668 669
%left	OR_OR_SYM OR_SYM OR2_SYM XOR
%left	AND_SYM AND_AND_SYM
unknown's avatar
unknown committed
670 671 672 673 674 675
%left	BETWEEN_SYM CASE_SYM WHEN_SYM THEN_SYM ELSE
%left	EQ EQUAL_SYM GE GT_SYM LE LT NE IS LIKE REGEXP IN_SYM
%left	'|'
%left	'&'
%left	SHIFT_LEFT SHIFT_RIGHT
%left	'-' '+'
676
%left	'*' '/' '%' DIV_SYM MOD_SYM
unknown's avatar
unknown committed
677
%left   '^'
unknown's avatar
unknown committed
678
%left	NEG '~'
679
%right	NOT_SYM NOT2_SYM
unknown's avatar
unknown committed
680
%right	BINARY COLLATE_SYM
681

unknown's avatar
unknown committed
682
%type <lex_str>
unknown's avatar
unknown committed
683
        IDENT IDENT_QUOTED TEXT_STRING DECIMAL_NUM FLOAT_NUM NUM LONG_NUM HEX_NUM
684
	LEX_HOSTNAME ULONGLONG_NUM field_ident select_alias ident ident_or_text
685
        UNDERSCORE_CHARSET IDENT_sys TEXT_STRING_sys TEXT_STRING_literal
686
	NCHAR_STRING opt_component key_cache_name
687
        sp_opt_label BIN_NUM label_ident
unknown's avatar
unknown committed
688 689 690 691 692

%type <lex_str_ptr>
	opt_table_alias

%type <table>
693
	table_ident table_ident_nodb references xid
unknown's avatar
unknown committed
694 695

%type <simple_string>
696
	remember_name remember_end opt_ident opt_db text_or_password
697
	opt_constraint constraint ident_or_empty
unknown's avatar
unknown committed
698 699

%type <string>
700
	text_string opt_gconcat_separator
unknown's avatar
unknown committed
701 702

%type <num>
unknown's avatar
unknown committed
703
	type int_type real_type order_dir lock_option
unknown's avatar
unknown committed
704
	udf_type if_exists opt_local opt_table_options table_options
705 706
        table_option opt_if_not_exists opt_no_write_to_binlog
        delete_option opt_temporary all_or_any opt_distinct
707
        opt_ignore_leaves fulltext_options spatial_type union_option
unknown's avatar
unknown committed
708
        start_transaction_opts opt_chain opt_release
709
        union_opt select_derived_init option_type2
unknown's avatar
unknown committed
710 711

%type <ulong_num>
unknown's avatar
unknown committed
712
	ulong_num raid_types merge_insert_types
unknown's avatar
unknown committed
713

unknown's avatar
unknown committed
714 715
%type <ulonglong_number>
	ulonglong_num
unknown's avatar
unknown committed
716

unknown's avatar
unknown committed
717 718 719
%type <lock_type>
	replace_lock_option opt_low_priority insert_lock_option load_data_lock

unknown's avatar
unknown committed
720
%type <item>
unknown's avatar
unknown committed
721
	literal text_literal insert_ident order_ident
unknown's avatar
unknown committed
722
	simple_ident select_item2 expr opt_expr opt_else sum_expr in_sum_expr
723 724 725
	bool_term bool_factor bool_test bool_pri 
	predicate bit_expr bit_term bit_factor value_expr term factor
	table_wild simple_expr udf_expr
unknown's avatar
unknown committed
726
	expr_or_default set_expr_or_default interval_expr
unknown's avatar
unknown committed
727
	param_marker singlerow_subselect singlerow_subselect_init
unknown's avatar
unknown committed
728
	exists_subselect exists_subselect_init geometry_function
729
	signed_literal now_or_signed_literal opt_escape
730 731
	sp_opt_default
	simple_ident_nospvar simple_ident_q
732
        field_or_var limit_option
733 734 735

%type <item_num>
	NUM_literal
unknown's avatar
unknown committed
736 737

%type <item_list>
738 739
	expr_list udf_expr_list udf_expr_list2 when_list
	ident_list ident_list_arg
unknown's avatar
unknown committed
740

741 742 743
%type <var_type>
        option_type opt_var_type opt_var_ident_type

unknown's avatar
unknown committed
744
%type <key_type>
745
	key_type opt_unique_or_fulltext constraint_key_type
unknown's avatar
unknown committed
746

unknown's avatar
unknown committed
747 748 749
%type <key_alg>
	key_alg opt_btree_or_rtree

unknown's avatar
unknown committed
750
%type <string_list>
unknown's avatar
unknown committed
751
	key_usage_list using_list
unknown's avatar
unknown committed
752 753 754 755 756

%type <key_part>
	key_part

%type <table_list>
757
	join_table_list  join_table
758
        table_factor table_ref
unknown's avatar
unknown committed
759
        select_derived derived_table_list
unknown's avatar
unknown committed
760

761
%type <date_time_type> date_time_type;
unknown's avatar
unknown committed
762 763
%type <interval> interval

764 765
%type <interval_time_st> interval_time_st

unknown's avatar
unknown committed
766
%type <db_type> storage_engines
unknown's avatar
unknown committed
767 768 769

%type <row_type> row_types

unknown's avatar
unknown committed
770
%type <tx_isolation> isolation_types
unknown's avatar
unknown committed
771

unknown's avatar
unknown committed
772 773
%type <ha_rkey_mode> handler_rkey_mode

774
%type <cast_type> cast_type
unknown's avatar
unknown committed
775

unknown's avatar
unknown committed
776 777
%type <udf_type> udf_func_type

778
%type <symbol> FUNC_ARG0 FUNC_ARG1 FUNC_ARG2 FUNC_ARG3 keyword keyword_sp
unknown's avatar
unknown committed
779

780
%type <lex_user> user grant_user get_definer
unknown's avatar
unknown committed
781

782
%type <charset>
783
	opt_collate
784 785
	charset_name
	charset_name_or_default
unknown's avatar
unknown committed
786 787
	old_or_new_charset_name
	old_or_new_charset_name_or_default
788 789
	collation_name
	collation_name_or_default
790

unknown's avatar
unknown committed
791 792
%type <variable> internal_variable_name

unknown's avatar
unknown committed
793
%type <select_lex> in_subselect in_subselect_init
unknown's avatar
unknown committed
794
	get_select_lex
unknown's avatar
unknown committed
795

unknown's avatar
unknown committed
796 797
%type <boolfunc2creator> comp_op

unknown's avatar
unknown committed
798
%type <NONE>
unknown's avatar
unknown committed
799
	query verb_clause create change select do drop insert replace insert2
800
	insert_values update delete truncate rename
unknown's avatar
unknown committed
801
	show describe load alter optimize keycache preload flush
unknown's avatar
unknown committed
802
	reset purge begin commit rollback savepoint release
803
	slave master_def master_defs master_file_def slave_until_opts
804
	repair restore backup analyze check start checksum
805
	field_list field_list_item field_spec kill column_def key_def
unknown's avatar
unknown committed
806
	keycache_list assign_to_keycache preload_list preload_keys
unknown's avatar
unknown committed
807
	select_item_list select_item values_list no_braces
808
	opt_limit_clause delete_limit_clause fields opt_values values
unknown's avatar
unknown committed
809
	procedure_list procedure_list2 procedure_item
810
	when_list2 expr_list2 udf_expr_list3 handler
unknown's avatar
unknown committed
811 812
	opt_precision opt_ignore opt_column opt_restrict
	grant revoke set lock unlock string_list field_options field_option
unknown's avatar
unknown committed
813
	field_opt_list opt_binary table_lock_list table_lock
814
	ref_list opt_on_delete opt_on_delete_list opt_on_delete_item use
unknown's avatar
unknown committed
815
	opt_delete_options opt_delete_option varchar nchar nvarchar
unknown's avatar
unknown committed
816
	opt_outer table_list table_name opt_option opt_place
unknown's avatar
unknown committed
817
	opt_attribute opt_attribute_list attribute column_list column_list_id
818
	opt_column_list grant_privileges grant_ident grant_list grant_option
819
	object_privilege object_privilege_list user_list rename_list
820
	clear_privileges flush_options flush_option
unknown's avatar
unknown committed
821 822
	equal optional_braces opt_key_definition key_usage_list2
	opt_mi_check_type opt_to mi_check_types normal_join
823
	table_to_table_list table_to_table opt_table_list opt_as
unknown's avatar
unknown committed
824
	handler_rkey_function handler_read_or_scan
unknown's avatar
unknown committed
825
	single_multi table_wild_list table_wild_one opt_wild
826
	union_clause union_list
827
	precision subselect_start opt_and charset
828
	subselect_end select_var_list select_var_list_init help opt_len
unknown's avatar
unknown committed
829
	opt_extended_describe
830
        prepare prepare_src execute deallocate
831
	statement sp_suid
832
	sp_c_chistics sp_a_chistics sp_chistic sp_c_chistic xa
unknown's avatar
unknown committed
833
        load_data opt_field_or_var_spec fields_or_vars opt_load_data_set_spec
834 835 836
        definer view_replace_or_algorithm view_replace view_algorithm_opt
        view_algorithm view_or_trigger_tail view_suid view_tail view_list_opt
        view_list view_select view_check_option trigger_tail
837
END_OF_INPUT
unknown's avatar
unknown committed
838

839 840 841 842 843 844 845
%type <NONE> call sp_proc_stmts sp_proc_stmts1 sp_proc_stmt
%type <num>  sp_decl_idents sp_opt_inout sp_handler_type sp_hcond_list
%type <spcondtype> sp_cond sp_hcond
%type <spblock> sp_decls sp_decl
%type <lex> sp_cursor_stmt
%type <spname> sp_name

unknown's avatar
unknown committed
846 847
%type <NONE>
	'-' '+' '*' '/' '%' '(' ')'
848
	',' '!' '{' '}' '&' '|' AND_SYM OR_SYM OR_OR_SYM BETWEEN_SYM CASE_SYM
849
	THEN_SYM WHEN_SYM DIV_SYM MOD_SYM OR2_SYM AND_AND_SYM
unknown's avatar
unknown committed
850 851 852 853 854
%%


query:
	END_OF_INPUT
unknown's avatar
unknown committed
855
	{
856
	   THD *thd= YYTHD;
857
	   if (!thd->bootstrap &&
858
	      (!(thd->lex->select_lex.options & OPTION_FOUND_COMMENT)))
859
	   {
unknown's avatar
unknown committed
860
	     my_message(ER_EMPTY_QUERY, ER(ER_EMPTY_QUERY), MYF(0));
861
	     YYABORT;
862
	   }
863 864
	   else
	   {
865
	     thd->lex->sql_command= SQLCOM_EMPTY_QUERY;
866
	   }
unknown's avatar
unknown committed
867
	}
unknown's avatar
unknown committed
868
	| verb_clause END_OF_INPUT {};
unknown's avatar
unknown committed
869 870

verb_clause:
871 872 873 874 875 876
	  statement
	| begin
	;

/* Verb clauses, except begin */
statement:
unknown's avatar
unknown committed
877 878
	  alter
	| analyze
879
	| backup
880
	| call
unknown's avatar
unknown committed
881 882
	| change
	| check
883
	| checksum
unknown's avatar
unknown committed
884 885
	| commit
	| create
886
        | deallocate
unknown's avatar
unknown committed
887 888
	| delete
	| describe
unknown's avatar
unknown committed
889
	| do
unknown's avatar
unknown committed
890
	| drop
891
        | execute
unknown's avatar
unknown committed
892
	| flush
unknown's avatar
unknown committed
893
	| grant
unknown's avatar
unknown committed
894 895
	| handler
	| help
unknown's avatar
unknown committed
896
	| insert
unknown's avatar
unknown committed
897
	| kill
unknown's avatar
unknown committed
898 899 900
	| load
	| lock
	| optimize
unknown's avatar
unknown committed
901
        | keycache
unknown's avatar
unknown committed
902
	| preload
903
        | prepare
904
	| purge
unknown's avatar
unknown committed
905
	| release
906
	| rename
unknown's avatar
unknown committed
907
	| repair
unknown's avatar
unknown committed
908
	| replace
unknown's avatar
unknown committed
909
	| reset
910
	| restore
unknown's avatar
unknown committed
911 912
	| revoke
	| rollback
913
	| savepoint
unknown's avatar
unknown committed
914 915
	| select
	| set
unknown's avatar
unknown committed
916
	| show
unknown's avatar
unknown committed
917
	| slave
unknown's avatar
unknown committed
918
	| start
919
	| truncate
unknown's avatar
unknown committed
920 921
	| unlock
	| update
unknown's avatar
unknown committed
922
	| use
923
	| xa
unknown's avatar
unknown committed
924
        ;
925

unknown's avatar
unknown committed
926
deallocate:
927
        deallocate_or_drop PREPARE_SYM ident
unknown's avatar
unknown committed
928 929
        {
          THD *thd=YYTHD;
930
          LEX *lex= thd->lex;
931
          if (lex->stmt_prepare_mode)
unknown's avatar
unknown committed
932 933 934 935
          {
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
          }
936
          lex->sql_command= SQLCOM_DEALLOCATE_PREPARE;
unknown's avatar
unknown committed
937 938 939
          lex->prepared_stmt_name= $3;
        };

940 941 942 943 944 945
deallocate_or_drop:
	DEALLOCATE_SYM |
	DROP
	;


unknown's avatar
unknown committed
946
prepare:
947
        PREPARE_SYM ident FROM prepare_src
unknown's avatar
unknown committed
948 949
        {
          THD *thd=YYTHD;
950
          LEX *lex= thd->lex;
951
          if (lex->stmt_prepare_mode)
unknown's avatar
unknown committed
952 953 954 955
          {
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
          }
956
          lex->sql_command= SQLCOM_PREPARE;
unknown's avatar
unknown committed
957 958 959
          lex->prepared_stmt_name= $2;
        };

960 961 962 963 964 965
prepare_src:
        TEXT_STRING_sys
        {
          THD *thd=YYTHD;
          LEX *lex= thd->lex;
          lex->prepared_stmt_code= $1;
unknown's avatar
unknown committed
966
          lex->prepared_stmt_code_is_varref= FALSE;
967 968 969 970 971 972
        }
        | '@' ident_or_text
        {
          THD *thd=YYTHD;
          LEX *lex= thd->lex;
          lex->prepared_stmt_code= $2;
unknown's avatar
unknown committed
973
          lex->prepared_stmt_code_is_varref= TRUE;
974
        };
975

unknown's avatar
unknown committed
976 977 978 979
execute:
        EXECUTE_SYM ident
        {
          THD *thd=YYTHD;
980
          LEX *lex= thd->lex;
981
          if (lex->stmt_prepare_mode)
unknown's avatar
unknown committed
982 983 984 985
          {
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
          }
986
          lex->sql_command= SQLCOM_EXECUTE;
unknown's avatar
unknown committed
987 988 989 990 991 992 993 994 995 996 997 998
          lex->prepared_stmt_name= $2;
        }
        execute_using
        {}
        ;

execute_using:
        /* nothing */
        | USING execute_var_list
        ;

execute_var_list:
999 1000
        execute_var_list ',' execute_var_ident
        | execute_var_ident
unknown's avatar
unknown committed
1001 1002 1003 1004 1005 1006 1007 1008
        ;

execute_var_ident: '@' ident_or_text
        {
          LEX *lex=Lex;
          LEX_STRING *lexstr= (LEX_STRING*)sql_memdup(&$2, sizeof(LEX_STRING));
          if (!lexstr || lex->prepared_stmt_params.push_back(lexstr))
              YYABORT;
1009
        }
unknown's avatar
unknown committed
1010 1011
        ;

unknown's avatar
unknown committed
1012 1013
/* help */

1014
help:
1015 1016 1017 1018 1019 1020 1021 1022 1023
       HELP_SYM
       {
         if (Lex->sphead)
         {
           my_error(ER_SP_BADSTATEMENT, MYF(0), "HELP");
           YYABORT;
         }
       }
       ident_or_text
unknown's avatar
unknown committed
1024
       {
1025 1026
	  LEX *lex= Lex;
	  lex->sql_command= SQLCOM_HELP;
1027
	  lex->help_arg= $3.str;
1028
       };
unknown's avatar
unknown committed
1029 1030 1031 1032

/* change master */

change:
unknown's avatar
unknown committed
1033
       CHANGE MASTER_SYM TO_SYM
unknown's avatar
unknown committed
1034 1035 1036
        {
	  LEX *lex = Lex;
	  lex->sql_command = SQLCOM_CHANGE_MASTER;
unknown's avatar
unknown committed
1037
	  bzero((char*) &lex->mi, sizeof(lex->mi));
1038 1039 1040 1041
        }
       master_defs
	{}
       ;
unknown's avatar
unknown committed
1042 1043 1044

master_defs:
       master_def
unknown's avatar
unknown committed
1045
       | master_defs ',' master_def;
unknown's avatar
unknown committed
1046

1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062
master_def:
       MASTER_HOST_SYM EQ TEXT_STRING_sys
       {
	 Lex->mi.host = $3.str;
       }
       |
       MASTER_USER_SYM EQ TEXT_STRING_sys
       {
	 Lex->mi.user = $3.str;
       }
       |
       MASTER_PASSWORD_SYM EQ TEXT_STRING_sys
       {
	 Lex->mi.password = $3.str;
       }
       |
unknown's avatar
unknown committed
1063
       MASTER_PORT_SYM EQ ulong_num
1064 1065 1066 1067
       {
	 Lex->mi.port = $3;
       }
       |
unknown's avatar
unknown committed
1068
       MASTER_CONNECT_RETRY_SYM EQ ulong_num
1069 1070 1071
       {
	 Lex->mi.connect_retry = $3;
       }
unknown's avatar
unknown committed
1072
       | MASTER_SSL_SYM EQ ulong_num
1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125
         {
           Lex->mi.ssl= $3 ? 
               LEX_MASTER_INFO::SSL_ENABLE : LEX_MASTER_INFO::SSL_DISABLE;
         }
       | MASTER_SSL_CA_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_ca= $3.str;
         }
       | MASTER_SSL_CAPATH_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_capath= $3.str;
         }
       | MASTER_SSL_CERT_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_cert= $3.str;
         }
       | MASTER_SSL_CIPHER_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_cipher= $3.str;
         }
       | MASTER_SSL_KEY_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_key= $3.str;
	 }
       |
         master_file_def
       ;

master_file_def:
       MASTER_LOG_FILE_SYM EQ TEXT_STRING_sys
       {
	 Lex->mi.log_file_name = $3.str;
       }
       | MASTER_LOG_POS_SYM EQ ulonglong_num
         {
           Lex->mi.pos = $3;
           /* 
              If the user specified a value < BIN_LOG_HEADER_SIZE, adjust it
              instead of causing subsequent errors. 
              We need to do it in this file, because only there we know that 
              MASTER_LOG_POS has been explicitely specified. On the contrary
              in change_master() (sql_repl.cc) we cannot distinguish between 0
              (MASTER_LOG_POS explicitely specified as 0) and 0 (unspecified),
              whereas we want to distinguish (specified 0 means "read the binlog
              from 0" (4 in fact), unspecified means "don't change the position
              (keep the preceding value)").
           */
           Lex->mi.pos = max(BIN_LOG_HEADER_SIZE, Lex->mi.pos);
         }
       | RELAY_LOG_FILE_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.relay_log_name = $3.str;
         }
unknown's avatar
unknown committed
1126
       | RELAY_LOG_POS_SYM EQ ulong_num
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205
         {
           Lex->mi.relay_log_pos = $3;
           /* Adjust if < BIN_LOG_HEADER_SIZE (same comment as Lex->mi.pos) */
           Lex->mi.relay_log_pos = max(BIN_LOG_HEADER_SIZE, Lex->mi.relay_log_pos);
         }
       ;

/* create a table */

create:
	CREATE opt_table_options TABLE_SYM opt_if_not_exists table_ident
	{
	  THD *thd= YYTHD;
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_CREATE_TABLE;
	  if (!lex->select_lex.add_table_to_list(thd, $5, NULL,
						 TL_OPTION_UPDATING,
						 (using_update_log ?
						  TL_READ_NO_INSERT:
						  TL_READ)))
	    YYABORT;
	  lex->create_list.empty();
	  lex->key_list.empty();
	  lex->col_list.empty();
	  lex->change=NullS;
	  bzero((char*) &lex->create_info,sizeof(lex->create_info));
	  lex->create_info.options=$2 | $4;
	  lex->create_info.db_type= (enum db_type) lex->thd->variables.table_type;
	  lex->create_info.default_table_charset= NULL;
	  lex->name=0;
	}
	create2
	  { Lex->current_select= &Lex->select_lex; }
	| CREATE opt_unique_or_fulltext INDEX_SYM ident key_alg ON table_ident
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_CREATE_INDEX;
	    if (!lex->current_select->add_table_to_list(lex->thd, $7, NULL,
							TL_OPTION_UPDATING))
	      YYABORT;
	    lex->create_list.empty();
	    lex->key_list.empty();
	    lex->col_list.empty();
	    lex->change=NullS;
	  }
	   '(' key_list ')'
	  {
	    LEX *lex=Lex;

	    lex->key_list.push_back(new Key($2,$4.str, $5, 0, lex->col_list));
	    lex->col_list.empty();
	  }
	| CREATE DATABASE opt_if_not_exists ident
	  {
             Lex->create_info.default_table_charset= NULL;
             Lex->create_info.used_fields= 0;
          }
	  opt_create_database_options
	  {
	    LEX *lex=Lex;
	    lex->sql_command=SQLCOM_CREATE_DB;
	    lex->name=$4.str;
            lex->create_info.options=$3;
	  }
	| CREATE udf_func_type FUNCTION_SYM sp_name
	  {
	    LEX *lex=Lex;
	    lex->spname= $4;
	    lex->udf.type= $2;
	  }
	  create_function_tail
	  {}
	| CREATE PROCEDURE sp_name
	  {
	    LEX *lex= Lex;
	    sp_head *sp;

	    if (lex->sphead)
	    {
unknown's avatar
unknown committed
1206
	      my_error(ER_SP_NO_RECURSIVE_CREATE, MYF(0), "PROCEDURE");
1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258
	      YYABORT;
	    }
	    /* Order is important here: new - reset - init */
	    sp= new sp_head();
	    sp->reset_thd_mem_root(YYTHD);
	    sp->init(lex);

	    sp->m_type= TYPE_ENUM_PROCEDURE;
	    lex->sphead= sp;
	    /*
	     * We have to turn of CLIENT_MULTI_QUERIES while parsing a
	     * stored procedure, otherwise yylex will chop it into pieces
	     * at each ';'.
	     */
	    sp->m_old_cmq= YYTHD->client_capabilities & CLIENT_MULTI_QUERIES;
	    YYTHD->client_capabilities &= (~CLIENT_MULTI_QUERIES);
	  }
          '('
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_param_begin= lex->tok_start+1;
	  }
	  sp_pdparam_list
	  ')'
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_param_end= lex->tok_start;
	    bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
	  }
	  sp_c_chistics
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_chistics= &lex->sp_chistics;
	    lex->sphead->m_body_begin= lex->tok_start;
	  }
	  sp_proc_stmt
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;

	    if (sp->check_backpatch(YYTHD))
	      YYABORT;
	    sp->init_strings(YYTHD, lex, $3);
	    lex->sql_command= SQLCOM_CREATE_PROCEDURE;
	    /* Restore flag if it was cleared above */
	    if (sp->m_old_cmq)
	      YYTHD->client_capabilities |= CLIENT_MULTI_QUERIES;
	    sp->restore_thd_mem_root(YYTHD);
	  }
1259
	| CREATE
1260
	  {
1261 1262 1263
            Lex->create_view_mode= VIEW_CREATE_NEW;
            Lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED;
            Lex->create_view_suid= TRUE;
1264
	  }
1265
	  view_or_trigger
1266
	  {}
1267 1268 1269 1270
	| CREATE USER clear_privileges grant_list
	  {
	    Lex->sql_command = SQLCOM_CREATE_USER;
          }
1271 1272
	;

1273 1274 1275 1276 1277 1278 1279
clear_privileges:
        /* Nothing */
        {
          LEX *lex=Lex;
          lex->users_list.empty();
          lex->columns.empty();
          lex->grant= lex->grant_tot_col= 0;
1280
	  lex->all_privileges= 0;
1281 1282 1283 1284 1285 1286 1287
          lex->select_lex.db= 0;
          lex->ssl_type= SSL_TYPE_NOT_SPECIFIED;
          lex->ssl_cipher= lex->x509_subject= lex->x509_issuer= 0;
          bzero((char *)&(lex->mqh),sizeof(lex->mqh));
        }
        ;

1288
sp_name:
1289
	  ident '.' ident
1290 1291 1292 1293
	  {
	    $$= new sp_name($1, $3);
	    $$->init_qname(YYTHD);
	  }
1294
	| ident
1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315
	  {
	    $$= sp_name_current_db_new(YYTHD, $1);
	  }
	;

create_function_tail:
	  RETURNS_SYM udf_type UDF_SONAME_SYM TEXT_STRING_sys
	  {
	    LEX *lex=Lex;
	    lex->sql_command = SQLCOM_CREATE_FUNCTION;
	    lex->udf.name = lex->spname->m_name;
	    lex->udf.returns=(Item_result) $2;
	    lex->udf.dl=$4.str;
	  }
	| '('
	  {
	    LEX *lex= Lex;
	    sp_head *sp;

	    if (lex->sphead)
	    {
unknown's avatar
unknown committed
1316
	      my_error(ER_SP_NO_RECURSIVE_CREATE, MYF(0), "FUNCTION");
1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343
	      YYABORT;
	    }
	    /* Order is important here: new - reset - init */
	    sp= new sp_head();
	    sp->reset_thd_mem_root(YYTHD);
	    sp->init(lex);

	    sp->m_type= TYPE_ENUM_FUNCTION;
	    lex->sphead= sp;
	    /*
	     * We have to turn of CLIENT_MULTI_QUERIES while parsing a
	     * stored procedure, otherwise yylex will chop it into pieces
	     * at each ';'.
	     */
	    sp->m_old_cmq= YYTHD->client_capabilities & CLIENT_MULTI_QUERIES;
	    YYTHD->client_capabilities &= ~CLIENT_MULTI_QUERIES;
	    lex->sphead->m_param_begin= lex->tok_start+1;
	  }
          sp_fdparam_list ')'
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_param_end= lex->tok_start;
	  }
	  RETURNS_SYM
	  {
	    LEX *lex= Lex;
unknown's avatar
unknown committed
1344 1345 1346 1347
	    lex->charset= NULL;
	    lex->length= lex->dec= NULL;
	    lex->interval_list.empty();
	    lex->type= 0;
1348 1349 1350 1351 1352
	  }
	  type
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
unknown's avatar
unknown committed
1353

1354 1355 1356 1357
            if (sp->fill_field_definition(YYTHD, lex,
                                          (enum enum_field_types) $8,
                                          &sp->m_return_field_def))
              YYABORT;
1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372

	    bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
	  }
	  sp_c_chistics
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_chistics= &lex->sp_chistics;
	    lex->sphead->m_body_begin= lex->tok_start;
	  }
	  sp_proc_stmt
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;

1373 1374 1375
            if (sp->is_not_allowed_in_function("function"))
              YYABORT;

1376 1377 1378 1379
	    if (sp->check_backpatch(YYTHD))
	      YYABORT;
	    lex->sql_command= SQLCOM_CREATE_SPFUNCTION;
	    sp->init_strings(YYTHD, lex, lex->spname);
1380 1381 1382 1383 1384
            if (!(sp->m_flags & sp_head::HAS_RETURN))
            {
              my_error(ER_SP_NORETURN, MYF(0), sp->m_qname.str);
              YYABORT;
            }
1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423
	    /* Restore flag if it was cleared above */
	    if (sp->m_old_cmq)
	      YYTHD->client_capabilities |= CLIENT_MULTI_QUERIES;
	    sp->restore_thd_mem_root(YYTHD);
	  }
	;

sp_a_chistics:
	  /* Empty */ {}
	| sp_a_chistics sp_chistic {}
	;

sp_c_chistics:
	  /* Empty */ {}
	| sp_c_chistics sp_c_chistic {}
	;

/* Characteristics for both create and alter */
sp_chistic:
	  COMMENT_SYM TEXT_STRING_sys
	  { Lex->sp_chistics.comment= $2; }
	| LANGUAGE_SYM SQL_SYM
	  { /* Just parse it, we only have one language for now. */ }
	| NO_SYM SQL_SYM
	  { Lex->sp_chistics.daccess= SP_NO_SQL; }
	| CONTAINS_SYM SQL_SYM
	  { Lex->sp_chistics.daccess= SP_CONTAINS_SQL; }
	| READS_SYM SQL_SYM DATA_SYM
	  { Lex->sp_chistics.daccess= SP_READS_SQL_DATA; }
	| MODIFIES_SYM SQL_SYM DATA_SYM
	  { Lex->sp_chistics.daccess= SP_MODIFIES_SQL_DATA; }
	| sp_suid
	  { }
	;

/* Create characteristics */
sp_c_chistic:
	  sp_chistic            { }
	| DETERMINISTIC_SYM     { Lex->sp_chistics.detistic= TRUE; }
1424
	| not DETERMINISTIC_SYM { Lex->sp_chistics.detistic= FALSE; }
1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445
	;

sp_suid:
	  SQL_SYM SECURITY_SYM DEFINER_SYM
	  {
	    Lex->sp_chistics.suid= SP_IS_SUID;
	  }
	| SQL_SYM SECURITY_SYM INVOKER_SYM
	  {
	    Lex->sp_chistics.suid= SP_IS_NOT_SUID;
	  }
	;

call:
	  CALL_SYM sp_name
	  {
	    LEX *lex = Lex;

	    lex->sql_command= SQLCOM_CALL;
	    lex->spname= $2;
	    lex->value_list.empty();
1446
	    sp_add_used_routine(lex, YYTHD, $2, TYPE_ENUM_PROCEDURE);
1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478
	  }
          '(' sp_cparam_list ')' {}
	;

/* CALL parameters */
sp_cparam_list:
	  /* Empty */
	| sp_cparams
	;

sp_cparams:
	  sp_cparams ',' expr
	  {
	    Lex->value_list.push_back($3);
	  }
	| expr
	  {
	    Lex->value_list.push_back($1);
	  }
	;

/* Stored FUNCTION parameter declaration list */
sp_fdparam_list:
	  /* Empty */
	| sp_fdparams
	;

sp_fdparams:
	  sp_fdparams ',' sp_fdparam
	| sp_fdparam
	;

1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498
sp_init_param:
	  /* Empty */
	  {
	    LEX *lex= Lex;

	    lex->length= 0;
	    lex->dec= 0;
	    lex->type= 0;
	  
	    lex->default_value= 0;
	    lex->on_update_value= 0;
	  
	    lex->comment= null_lex_str;
	    lex->charset= NULL;
	  
	    lex->interval_list.empty();
	    lex->uint_geom_type= 0;
	  }
	;

1499
sp_fdparam:
1500
	  ident sp_init_param type
1501 1502 1503 1504 1505 1506
	  {
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

	    if (spc->find_pvar(&$1, TRUE))
	    {
1507
	      my_error(ER_SP_DUP_PARAM, MYF(0), $1.str);
1508 1509
	      YYABORT;
	    }
1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520
	    sp_pvar_t *pvar= spc->push_pvar(&$1, (enum enum_field_types)$3,
                                            sp_param_in);

            if (lex->sphead->fill_field_definition(YYTHD, lex,
                                                   (enum enum_field_types) $3,
                                                   &pvar->field_def))
            {
              YYABORT;
            }
            pvar->field_def.field_name= pvar->name.str;
            pvar->field_def.pack_flag |= FIELDFLAG_MAYBE_NULL;
1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535
	  }
	;

/* Stored PROCEDURE parameter declaration list */
sp_pdparam_list:
	  /* Empty */
	| sp_pdparams
	;

sp_pdparams:
	  sp_pdparams ',' sp_pdparam
	| sp_pdparam
	;

sp_pdparam:
1536
	  sp_opt_inout sp_init_param ident type
1537 1538 1539 1540
	  {
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

1541
	    if (spc->find_pvar(&$3, TRUE))
1542
	    {
1543
	      my_error(ER_SP_DUP_PARAM, MYF(0), $3.str);
1544 1545
	      YYABORT;
	    }
1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556
	    sp_pvar_t *pvar= spc->push_pvar(&$3, (enum enum_field_types)$4,
			                    (sp_param_mode_t)$1);

            if (lex->sphead->fill_field_definition(YYTHD, lex,
                                                   (enum enum_field_types) $4,
                                                   &pvar->field_def))
            {
              YYABORT;
            }
            pvar->field_def.field_name= pvar->name.str;
            pvar->field_def.pack_flag |= FIELDFLAG_MAYBE_NULL;
1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568
	  }
	;

sp_opt_inout:
	  /* Empty */ { $$= sp_param_in; }
	| IN_SYM      { $$= sp_param_in; }
	| OUT_SYM     { $$= sp_param_out; }
	| INOUT_SYM   { $$= sp_param_inout; }
	;

sp_proc_stmts:
	  /* Empty */ {}
1569
	| sp_proc_stmts  sp_proc_stmt ';'
1570 1571 1572 1573
	;

sp_proc_stmts1:
	  sp_proc_stmt ';' {}
1574
	| sp_proc_stmts1  sp_proc_stmt ';'
1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589
	;

sp_decls:
	  /* Empty */
	  {
	    $$.vars= $$.conds= $$.hndlrs= $$.curs= 0;
	  }
	| sp_decls sp_decl ';'
	  {
	    /* We check for declarations out of (standard) order this way
	       because letting the grammar rules reflect it caused tricky
	       shift/reduce conflicts with the wrong result. (And we get
	       better error handling this way.) */
	    if (($2.vars || $2.conds) && ($1.curs || $1.hndlrs))
	    { /* Variable or condition following cursor or handler */
unknown's avatar
unknown committed
1590 1591
	      my_message(ER_SP_VARCOND_AFTER_CURSHNDLR,
                         ER(ER_SP_VARCOND_AFTER_CURSHNDLR), MYF(0));
1592 1593 1594 1595
	      YYABORT;
	    }
	    if ($2.curs && $1.hndlrs)
	    { /* Cursor following handler */
unknown's avatar
unknown committed
1596 1597
	      my_message(ER_SP_CURSOR_AFTER_HANDLER,
                         ER(ER_SP_CURSOR_AFTER_HANDLER), MYF(0));
1598 1599 1600 1601 1602 1603 1604 1605 1606 1607
	      YYABORT;
	    }
	    $$.vars= $1.vars + $2.vars;
	    $$.conds= $1.conds + $2.conds;
	    $$.hndlrs= $1.hndlrs + $2.hndlrs;
	    $$.curs= $1.curs + $2.curs;
	  }
	;

sp_decl:
1608
          DECLARE_SYM sp_decl_idents
1609
          {
1610
            LEX *lex= Lex;
1611

1612 1613 1614
            lex->sphead->reset_lex(YYTHD);
            lex->spcont->declare_var_boundary($2);
          }
1615
          type
1616
          sp_opt_default
1617 1618
          {
            LEX *lex= Lex;
1619 1620 1621 1622 1623 1624 1625
            sp_pcontext *pctx= lex->spcont;
            uint num_vars= pctx->context_pvars();
            enum enum_field_types var_type= (enum enum_field_types) $4;
            Item *dflt_value_item= $5;
            create_field *create_field_op;
            
            if (!dflt_value_item)
1626
            {
1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656
              dflt_value_item= new Item_null();
              /* QQ Set to the var_type with null_value? */
            }
            
            for (uint i = num_vars-$2 ; i < num_vars ; i++)
            {
              uint var_idx= pctx->pvar_context2index(i);
              sp_pvar_t *pvar= pctx->find_pvar(var_idx);
            
              if (!pvar)
                YYABORT;
            
              pvar->type= var_type;
              pvar->dflt= dflt_value_item;
            
              if (lex->sphead->fill_field_definition(YYTHD, lex, var_type,
                                                     &pvar->field_def))
              {
                YYABORT;
              }
            
              pvar->field_def.field_name= pvar->name.str;
              pvar->field_def.pack_flag |= FIELDFLAG_MAYBE_NULL;
            
              /* The last instruction is responsible for freeing LEX. */

              lex->sphead->add_instr(
                new sp_instr_set(lex->sphead->instructions(), pctx, var_idx,
                                 dflt_value_item, var_type, lex,
                                 (i == num_vars - 1)));
1657
            }
1658 1659

            pctx->declare_var_boundary(0);
1660
            lex->sphead->restore_lex(YYTHD);
1661

1662 1663 1664
            $$.vars= $2;
            $$.conds= $$.hndlrs= $$.curs= 0;
          }
1665 1666 1667 1668 1669 1670 1671
	| DECLARE_SYM ident CONDITION_SYM FOR_SYM sp_cond
	  {
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

	    if (spc->find_cond(&$2, TRUE))
	    {
1672
	      my_error(ER_SP_DUP_COND, MYF(0), $2.str);
1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689
	      YYABORT;
	    }
	    YYTHD->lex->spcont->push_cond(&$2, $5);
	    $$.vars= $$.hndlrs= $$.curs= 0;
	    $$.conds= 1;
	  }
	| DECLARE_SYM sp_handler_type HANDLER_SYM FOR_SYM
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_instr_hpush_jump *i=
              new sp_instr_hpush_jump(sp->instructions(), ctx, $2,
	                              ctx->current_pvars());

	    sp->add_instr(i);
	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
1690
	    sp->m_flags|= sp_head::IN_HANDLER;
1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713
	  }
	  sp_hcond_list sp_proc_stmt
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *hlab= lex->spcont->pop_label(); /* After this hdlr */
	    sp_instr_hreturn *i;

	    if ($2 == SP_HANDLER_CONTINUE)
	    {
	      i= new sp_instr_hreturn(sp->instructions(), ctx,
	                              ctx->current_pvars());
	      sp->add_instr(i);
	    }
	    else
	    {  /* EXIT or UNDO handler, just jump to the end of the block */
	      i= new sp_instr_hreturn(sp->instructions(), ctx, 0);

	      sp->add_instr(i);
	      sp->push_backpatch(i, lex->spcont->last_label()); /* Block end */
	    }
	    lex->sphead->backpatch(hlab);
1714
	    sp->m_flags&= ~sp_head::IN_HANDLER;
1715 1716
	    $$.vars= $$.conds= $$.curs= 0;
	    $$.hndlrs= $6;
1717
	    ctx->add_handlers($6);
1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728
	  }
	| DECLARE_SYM ident CURSOR_SYM FOR_SYM sp_cursor_stmt
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    uint offp;
	    sp_instr_cpush *i;

	    if (ctx->find_cursor(&$2, &offp, TRUE))
	    {
1729
	      my_error(ER_SP_DUP_CURS, MYF(0), $2.str);
1730 1731 1732
	      delete $5;
	      YYABORT;
	    }
unknown's avatar
unknown committed
1733 1734
            i= new sp_instr_cpush(sp->instructions(), ctx, $5,
                                  ctx->current_cursors());
1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756
	    sp->add_instr(i);
	    ctx->push_cursor(&$2);
	    $$.vars= $$.conds= $$.hndlrs= 0;
	    $$.curs= 1;
	  }
	;

sp_cursor_stmt:
	  {
	    Lex->sphead->reset_lex(YYTHD);

	    /* We use statement here just be able to get a better
	       error message. Using 'select' works too, but will then
	       result in a generic "syntax error" if a non-select
	       statement is given. */
	  }
	  statement
	  {
	    LEX *lex= Lex;

	    if (lex->sql_command != SQLCOM_SELECT)
	    {
unknown's avatar
unknown committed
1757 1758
	      my_message(ER_SP_BAD_CURSOR_QUERY, ER(ER_SP_BAD_CURSOR_QUERY),
                         MYF(0));
1759 1760 1761 1762
	      YYABORT;
	    }
	    if (lex->result)
	    {
unknown's avatar
unknown committed
1763 1764
	      my_message(ER_SP_BAD_CURSOR_SELECT, ER(ER_SP_BAD_CURSOR_SELECT),
                         MYF(0));
1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783
	      YYABORT;
	    }
	    lex->sp_lex_in_use= TRUE;
	    $$= lex;
	    lex->sphead->restore_lex(YYTHD);
	  }
	;

sp_handler_type:
	  EXIT_SYM      { $$= SP_HANDLER_EXIT; }
	| CONTINUE_SYM  { $$= SP_HANDLER_CONTINUE; }
/*	| UNDO_SYM      { QQ No yet } */
	;

sp_hcond_list:
	  sp_hcond
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794
	    sp_pcontext *ctx= lex->spcont;

	    if (ctx->find_handler($1))
	    {
	      my_message(ER_SP_DUP_HANDLER, ER(ER_SP_DUP_HANDLER), MYF(0));
	      YYABORT;
	    }
	    else
	    {
	      sp_instr_hpush_jump *i=
                (sp_instr_hpush_jump *)sp->last_instruction();
1795

1796 1797 1798 1799
	      i->add_condition($1);
	      ctx->push_handler($1);
	      $$= 1;
	    }
1800 1801 1802 1803 1804
	  }
	| sp_hcond_list ',' sp_hcond
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815
	    sp_pcontext *ctx= lex->spcont;

	    if (ctx->find_handler($3))
	    {
	      my_message(ER_SP_DUP_HANDLER, ER(ER_SP_DUP_HANDLER), MYF(0));
	      YYABORT;
	    }
	    else
	    {
	      sp_instr_hpush_jump *i=
	        (sp_instr_hpush_jump *)sp->last_instruction();
1816

1817 1818 1819 1820
	      i->add_condition($3);
	      ctx->push_handler($3);
	      $$= $1 + 1;
	    }
1821 1822 1823 1824
	  }
	;

sp_cond:
unknown's avatar
unknown committed
1825
	  ulong_num
1826 1827 1828 1829 1830 1831 1832
	  {			/* mysql errno */
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::number;
	    $$->mysqlerr= $1;
	  }
	| SQLSTATE_SYM opt_value TEXT_STRING_literal
	  {		/* SQLSTATE */
1833 1834 1835 1836 1837
	    if (!sp_cond_check(&$3))
	    {
	      my_error(ER_SP_BAD_SQLSTATE, MYF(0), $3.str);
	      YYABORT;
	    }
1838 1839
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::state;
1840 1841
	    memcpy($$->sqlstate, $3.str, 5);
	    $$->sqlstate[5]= '\0';
1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859
	  }
	;

opt_value:
	  /* Empty */  {}
	| VALUE_SYM    {}
	;

sp_hcond:
	  sp_cond
	  {
	    $$= $1;
	  }
	| ident			/* CONDITION name */
	  {
	    $$= Lex->spcont->find_cond(&$1);
	    if ($$ == NULL)
	    {
1860
	      my_error(ER_SP_COND_MISMATCH, MYF(0), $1.str);
1861 1862 1863 1864 1865 1866 1867 1868
	      YYABORT;
	    }
	  }
	| SQLWARNING_SYM	/* SQLSTATEs 01??? */
	  {
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::warning;
	  }
1869
	| not FOUND_SYM		/* SQLSTATEs 02??? */
1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883
	  {
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::notfound;
	  }
	| SQLEXCEPTION_SYM	/* All other SQLSTATEs */
	  {
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::exception;
	  }
	;

sp_decl_idents:
	  ident
	  {
1884 1885
            /* NOTE: field definition is filled in sp_decl section. */

1886 1887 1888 1889 1890
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

	    if (spc->find_pvar(&$1, TRUE))
	    {
1891
	      my_error(ER_SP_DUP_VAR, MYF(0), $1.str);
1892 1893 1894 1895 1896 1897 1898
	      YYABORT;
	    }
	    spc->push_pvar(&$1, (enum_field_types)0, sp_param_in);
	    $$= 1;
	  }
	| sp_decl_idents ',' ident
	  {
1899 1900
            /* NOTE: field definition is filled in sp_decl section. */

1901 1902 1903 1904 1905
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

	    if (spc->find_pvar(&$3, TRUE))
	    {
1906
	      my_error(ER_SP_DUP_VAR, MYF(0), $3.str);
1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930
	      YYABORT;
	    }
	    spc->push_pvar(&$3, (enum_field_types)0, sp_param_in);
	    $$= $1 + 1;
	  }
	;

sp_opt_default:
	  /* Empty */ { $$ = NULL; }
        | DEFAULT expr { $$ = $2; }
	;

sp_proc_stmt:
	  {
	    LEX *lex= Lex;

	    lex->sphead->reset_lex(YYTHD);
	    lex->sphead->m_tmp_query= lex->tok_start;
	  }
	  statement
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;

1931
            sp->m_flags|= sp_get_flags_for_command(lex);
1932 1933
	    if (lex->sql_command == SQLCOM_CHANGE_DB)
	    { /* "USE db" doesn't work in a procedure */
1934
	      my_error(ER_SP_BADSTATEMENT, MYF(0), "USE");
1935 1936
	      YYABORT;
	    }
1937 1938 1939 1940
	    /*
              Don't add an instruction for SET statements, since all
              instructions for them were already added during processing
              of "set" rule.
1941
	    */
1942 1943 1944
            DBUG_ASSERT(lex->sql_command != SQLCOM_SET_OPTION ||
                        lex->var_list.is_empty());
            if (lex->sql_command != SQLCOM_SET_OPTION)
1945
	    {
1946 1947
              sp_instr_stmt *i=new sp_instr_stmt(sp->instructions(),
                                                 lex->spcont, lex);
1948

1949
              /* Extract the query statement from the tokenizer:
1950
                 The end is either lex->tok_end or tok->ptr. */
1951 1952 1953 1954 1955 1956 1957 1958
              if (lex->ptr - lex->tok_end > 1)
                i->m_query.length= lex->ptr - sp->m_tmp_query;
              else
                i->m_query.length= lex->tok_end - sp->m_tmp_query;
              i->m_query.str= strmake_root(YYTHD->mem_root,
                                           (char *)sp->m_tmp_query,
                                           i->m_query.length);
              sp->add_instr(i);
1959 1960 1961
            }
	    sp->restore_lex(YYTHD);
          }
1962 1963 1964
          | RETURN_SYM 
          { Lex->sphead->reset_lex(YYTHD); }
          expr
1965 1966
	  {
	    LEX *lex= Lex;
1967
	    sp_head *sp= lex->sphead;
1968

1969
	    if (sp->m_type == TYPE_ENUM_PROCEDURE)
1970
	    {
unknown's avatar
unknown committed
1971
	      my_message(ER_SP_BADRETURN, ER(ER_SP_BADRETURN), MYF(0));
1972 1973 1974 1975 1976 1977
	      YYABORT;
	    }
	    else
	    {
	      sp_instr_freturn *i;

1978 1979
	      i= new sp_instr_freturn(sp->instructions(), lex->spcont, $3,
                                      sp->m_return_field_def.sql_type, lex);
1980
	      sp->add_instr(i);
1981
	      sp->m_flags|= sp_head::HAS_RETURN;
1982
	    }
1983
	    sp->restore_lex(YYTHD);
1984 1985 1986 1987
	  }
	| IF sp_if END IF {}
	| CASE_SYM WHEN_SYM
	  {
1988
	    Lex->sphead->m_flags&= ~sp_head::IN_SIMPLE_CASE;
1989 1990
	  }
	  sp_case END CASE_SYM {}
1991 1992 1993
        | CASE_SYM
          { Lex->sphead->reset_lex(YYTHD); }
          expr WHEN_SYM
1994 1995
	  {
	    LEX *lex= Lex;
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
	    sp_head *sp= lex->sphead;
	    sp_pcontext *parsing_ctx= lex->spcont;
	    int case_expr_id= parsing_ctx->register_case_expr();
	    
	    if (parsing_ctx->push_case_expr_id(case_expr_id))
              YYABORT;
	    
	    sp->add_instr(
	      new sp_instr_set_case_expr(sp->instructions(),
	                                 parsing_ctx,
	                                 case_expr_id,
	                                 $3,
	                                 lex));
	    
	    sp->m_flags|= sp_head::IN_SIMPLE_CASE;
	    sp->restore_lex(YYTHD);
2012 2013 2014
	  }
	  sp_case END CASE_SYM
	  {
2015
	    Lex->spcont->pop_case_expr_id();
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
	  }
	| sp_labeled_control
	  {}
	| { /* Unlabeled controls get a secret label. */
	    LEX *lex= Lex;

	    lex->spcont->push_label((char *)"", lex->sphead->instructions());
	  }
	  sp_unlabeled_control
	  {
	    LEX *lex= Lex;

	    lex->sphead->backpatch(lex->spcont->pop_label());
	  }
2030
	| LEAVE_SYM label_ident
2031 2032 2033 2034 2035 2036 2037 2038
	  {
	    LEX *lex= Lex;
	    sp_head *sp = lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *lab= ctx->find_label($2.str);

	    if (! lab)
	    {
2039
	      my_error(ER_SP_LILABEL_MISMATCH, MYF(0), "LEAVE", $2.str);
2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059
	      YYABORT;
	    }
	    else
	    {
	      uint ip= sp->instructions();
	      sp_instr_jump *i;
	      sp_instr_hpop *ih;
	      sp_instr_cpop *ic;

	      ih= new sp_instr_hpop(ip++, ctx, 0);
	      sp->push_backpatch(ih, lab);
	      sp->add_instr(ih);
	      ic= new sp_instr_cpop(ip++, ctx, 0);
	      sp->push_backpatch(ic, lab);
	      sp->add_instr(ic);
	      i= new sp_instr_jump(ip, ctx);
	      sp->push_backpatch(i, lab);  /* Jumping forward */
              sp->add_instr(i);
	    }
	  }
2060
	| ITERATE_SYM label_ident
2061 2062 2063 2064 2065 2066 2067 2068
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *lab= ctx->find_label($2.str);

	    if (! lab || lab->type != SP_LAB_ITER)
	    {
2069
	      my_error(ER_SP_LILABEL_MISMATCH, MYF(0), "ITERATE", $2.str);
2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089
	      YYABORT;
	    }
	    else
	    {
	      sp_instr_jump *i;
	      uint ip= sp->instructions();
	      uint n;

	      n= ctx->diff_handlers(lab->ctx);
	      if (n)
	        sp->add_instr(new sp_instr_hpop(ip++, ctx, n));
	      n= ctx->diff_cursors(lab->ctx);
	      if (n)
	        sp->add_instr(new sp_instr_cpop(ip++, ctx, n));
	      i= new sp_instr_jump(ip, ctx, lab->ip); /* Jump back */
              sp->add_instr(i);
	    }
	  }
	| LABEL_SYM IDENT
	  {
2090
#ifdef SP_GOTO
2091 2092 2093 2094 2095 2096 2097
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *lab= ctx->find_label($2.str);

	    if (lab)
	    {
2098
	      my_error(ER_SP_LABEL_REDEFINE, MYF(0), $2.str);
2099 2100 2101 2102 2103 2104 2105 2106 2107
	      YYABORT;
	    }
	    else
	    {
	      lab= ctx->push_label($2.str, sp->instructions());
	      lab->type= SP_LAB_GOTO;
	      lab->ctx= ctx;
              sp->backpatch(lab);
	    }
2108 2109 2110 2111
#else
	    yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
#endif
2112 2113 2114
	  }
	| GOTO_SYM IDENT
	  {
2115
#ifdef SP_GOTO
2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    uint ip= lex->sphead->instructions();
	    sp_label_t *lab;
	    sp_instr_jump *i;
	    sp_instr_hpop *ih;
	    sp_instr_cpop *ic;

	    if (sp->m_in_handler)
	    {
unknown's avatar
unknown committed
2127
	      my_message(ER_SP_GOTO_IN_HNDLR, ER(ER_SP_GOTO_IN_HNDLR), MYF(0));
2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167
	      YYABORT;
	    }
	    lab= ctx->find_label($2.str);
	    if (! lab)
	    {
	      lab= (sp_label_t *)YYTHD->alloc(sizeof(sp_label_t));
	      lab->name= $2.str;
	      lab->ip= 0;
	      lab->type= SP_LAB_REF;
	      lab->ctx= ctx;

	      ih= new sp_instr_hpop(ip++, ctx, 0);
	      sp->push_backpatch(ih, lab);
	      sp->add_instr(ih);
	      ic= new sp_instr_cpop(ip++, ctx, 0);
	      sp->add_instr(ic);
	      sp->push_backpatch(ic, lab);
	      i= new sp_instr_jump(ip, ctx);
	      sp->push_backpatch(i, lab);  /* Jumping forward */
	      sp->add_instr(i);
	    }
	    else
	    {
	      uint n;

	      n= ctx->diff_handlers(lab->ctx);
	      if (n)
	      {
	        ih= new sp_instr_hpop(ip++, ctx, n);
	        sp->add_instr(ih);
	      }
	      n= ctx->diff_cursors(lab->ctx);
	      if (n)
	      {
	        ic= new sp_instr_cpop(ip++, ctx, n);
	        sp->add_instr(ic);
	      }
	      i= new sp_instr_jump(ip, ctx, lab->ip); /* Jump back */
	      sp->add_instr(i);
	    }
2168 2169 2170 2171
#else
	    yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
#endif
2172 2173 2174 2175 2176 2177 2178 2179 2180 2181
	  }
	| OPEN_SYM ident
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    uint offset;
	    sp_instr_copen *i;

	    if (! lex->spcont->find_cursor(&$2, &offset))
	    {
2182
	      my_error(ER_SP_CURSOR_MISMATCH, MYF(0), $2.str);
2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196
	      YYABORT;
	    }
	    i= new sp_instr_copen(sp->instructions(), lex->spcont, offset);
	    sp->add_instr(i);
	  }
	| FETCH_SYM sp_opt_fetch_noise ident INTO
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    uint offset;
	    sp_instr_cfetch *i;

	    if (! lex->spcont->find_cursor(&$3, &offset))
	    {
2197
	      my_error(ER_SP_CURSOR_MISMATCH, MYF(0), $3.str);
2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213
	      YYABORT;
	    }
	    i= new sp_instr_cfetch(sp->instructions(), lex->spcont, offset);
	    sp->add_instr(i);
	  }
	  sp_fetch_list
	  { }
	| CLOSE_SYM ident
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    uint offset;
	    sp_instr_cclose *i;

	    if (! lex->spcont->find_cursor(&$2, &offset))
	    {
2214
	      my_error(ER_SP_CURSOR_MISMATCH, MYF(0), $2.str);
2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237
	      YYABORT;
	    }
	    i= new sp_instr_cclose(sp->instructions(), lex->spcont,  offset);
	    sp->add_instr(i);
	  }
	;

sp_opt_fetch_noise:
	  /* Empty */
	| NEXT_SYM FROM
	| FROM
	;

sp_fetch_list:
	  ident
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *spc= lex->spcont;
	    sp_pvar_t *spv;

	    if (!spc || !(spv = spc->find_pvar(&$1)))
	    {
2238
	      my_error(ER_SP_UNDECLARED_VAR, MYF(0), $1.str);
2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258
	      YYABORT;
	    }
	    else
	    {
	      /* An SP local variable */
	      sp_instr_cfetch *i= (sp_instr_cfetch *)sp->last_instruction();

	      i->add_to_varlist(spv);
	    }
	  }
	|
	  sp_fetch_list ',' ident
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *spc= lex->spcont;
	    sp_pvar_t *spv;

	    if (!spc || !(spv = spc->find_pvar(&$3)))
	    {
2259
	      my_error(ER_SP_UNDECLARED_VAR, MYF(0), $3.str);
2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272
	      YYABORT;
	    }
	    else
	    {
	      /* An SP local variable */
	      sp_instr_cfetch *i= (sp_instr_cfetch *)sp->last_instruction();

	      i->add_to_varlist(spv);
	    }
	  }
	;

sp_if:
2273 2274
          { Lex->sphead->reset_lex(YYTHD); }
          expr THEN_SYM
2275 2276 2277 2278 2279
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    uint ip= sp->instructions();
2280 2281
	    sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, ctx,
                                                               $2, lex);
2282 2283 2284

	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
            sp->add_instr(i);
2285
            sp->restore_lex(YYTHD);
2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312
	  }
	  sp_proc_stmts1
	  {
	    sp_head *sp= Lex->sphead;
	    sp_pcontext *ctx= Lex->spcont;
	    uint ip= sp->instructions();
	    sp_instr_jump *i = new sp_instr_jump(ip, ctx);

	    sp->add_instr(i);
	    sp->backpatch(ctx->pop_label());
	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
	  }
	  sp_elseifs
	  {
	    LEX *lex= Lex;

	    lex->sphead->backpatch(lex->spcont->pop_label());
	  }
	;

sp_elseifs:
	  /* Empty */
	| ELSEIF_SYM sp_if
	| ELSE sp_proc_stmts1
	;

sp_case:
2313 2314
	  { Lex->sphead->reset_lex(YYTHD); }
          expr THEN_SYM
2315 2316 2317 2318 2319 2320 2321
	  {
            LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= Lex->spcont;
	    uint ip= sp->instructions();
	    sp_instr_jump_if_not *i;

2322
	    if (! (sp->m_flags & sp_head::IN_SIMPLE_CASE))
2323
	      i= new sp_instr_jump_if_not(ip, ctx, $2, lex);
2324 2325 2326
	    else
	    { /* Simple case: <caseval> = <whenval> */

2327 2328 2329 2330 2331
	      Item_case_expr *var;
              Item *expr;

              var= new Item_case_expr(ctx->get_current_case_expr_id());

unknown's avatar
unknown committed
2332
#ifndef DBUG_OFF
2333
              if (var)
2334
                var->m_sp= sp;
2335
#endif
2336 2337

	      expr= new Item_func_eq(var, $2);
2338

2339
	      i= new sp_instr_jump_if_not(ip, ctx, expr, lex);
2340 2341 2342
	    }
	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
            sp->add_instr(i);
2343
            sp->restore_lex(YYTHD);
2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362
	  }
	  sp_proc_stmts1
	  {
	    sp_head *sp= Lex->sphead;
	    sp_pcontext *ctx= Lex->spcont;
	    uint ip= sp->instructions();
	    sp_instr_jump *i = new sp_instr_jump(ip, ctx);

	    sp->add_instr(i);
	    sp->backpatch(ctx->pop_label());
	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
	  }
	  sp_whens
	  {
	    LEX *lex= Lex;

	    lex->sphead->backpatch(lex->spcont->pop_label());
	  }
	;
unknown's avatar
unknown committed
2363

2364 2365 2366 2367 2368 2369 2370
sp_whens:
	  /* Empty */
	  {
	    sp_head *sp= Lex->sphead;
	    uint ip= sp->instructions();
	    sp_instr_error *i= new sp_instr_error(ip, Lex->spcont,
						  ER_SP_CASE_NOT_FOUND);
unknown's avatar
unknown committed
2371

2372 2373 2374 2375 2376
	    sp->add_instr(i);
	  }
	| ELSE sp_proc_stmts1 {}
	| WHEN_SYM sp_case {}
	;
unknown's avatar
unknown committed
2377

2378
sp_labeled_control:
2379
	  label_ident ':'
unknown's avatar
unknown committed
2380
	  {
2381 2382 2383 2384 2385 2386
	    LEX *lex= Lex;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *lab= ctx->find_label($1.str);

	    if (lab)
	    {
2387
	      my_error(ER_SP_LABEL_REDEFINE, MYF(0), $1.str);
unknown's avatar
unknown committed
2388
	      YYABORT;
2389 2390 2391 2392 2393 2394 2395
	    }
	    else
	    {
	      lab= lex->spcont->push_label($1.str,
	                                   lex->sphead->instructions());
	      lab->type= SP_LAB_ITER;
	    }
unknown's avatar
unknown committed
2396
	  }
2397
	  sp_unlabeled_control sp_opt_label
unknown's avatar
unknown committed
2398
	  {
2399
	    LEX *lex= Lex;
unknown's avatar
unknown committed
2400

2401 2402 2403 2404 2405 2406 2407
	    if ($5.str)
	    {
	      sp_label_t *lab= lex->spcont->find_label($5.str);

	      if (!lab ||
	          my_strcasecmp(system_charset_info, $5.str, lab->name) != 0)
	      {
2408
	        my_error(ER_SP_LABEL_MISMATCH, MYF(0), $5.str);
2409 2410 2411 2412
	        YYABORT;
	      }
	    }
	    lex->sphead->backpatch(lex->spcont->pop_label());
unknown's avatar
unknown committed
2413
	  }
2414 2415 2416
	;

sp_opt_label:
2417
        /* Empty  */    { $$= null_lex_str; }
2418
        | label_ident   { $$= $1; }
2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434
	;

sp_unlabeled_control:
	  BEGIN_SYM
	  { /* QQ This is just a dummy for grouping declarations and statements
	       together. No [[NOT] ATOMIC] yet, and we need to figure out how
	       make it coexist with the existing BEGIN COMMIT/ROLLBACK. */
	    LEX *lex= Lex;
	    sp_label_t *lab= lex->spcont->last_label();

	    lab->type= SP_LAB_BEGIN;
	    lex->spcont= lex->spcont->push_context();
	  }
	  sp_decls
	  sp_proc_stmts
	  END
2435
	  {
2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;

  	    sp->backpatch(ctx->last_label());	/* We always have a label */
	    if ($3.hndlrs)
	      sp->add_instr(new sp_instr_hpop(sp->instructions(), ctx,
					      $3.hndlrs));
	    if ($3.curs)
	      sp->add_instr(new sp_instr_cpop(sp->instructions(), ctx,
					      $3.curs));
	    lex->spcont= ctx->pop_context();
	  }
	| LOOP_SYM
	  sp_proc_stmts1 END LOOP_SYM
unknown's avatar
unknown committed
2451
	  {
2452 2453 2454 2455 2456 2457
	    LEX *lex= Lex;
	    uint ip= lex->sphead->instructions();
	    sp_label_t *lab= lex->spcont->last_label();  /* Jumping back */
	    sp_instr_jump *i = new sp_instr_jump(ip, lex->spcont, lab->ip);

	    lex->sphead->add_instr(i);
unknown's avatar
unknown committed
2458
	  }
2459 2460 2461
        | WHILE_SYM 
          { Lex->sphead->reset_lex(YYTHD); }
          expr DO_SYM
unknown's avatar
unknown committed
2462
	  {
2463 2464 2465 2466
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    uint ip= sp->instructions();
	    sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, lex->spcont,
2467
							       $3, lex);
2468 2469 2470 2471

	    /* Jumping forward */
	    sp->push_backpatch(i, lex->spcont->last_label());
            sp->add_instr(i);
2472
            sp->restore_lex(YYTHD);
unknown's avatar
unknown committed
2473
	  }
2474
	  sp_proc_stmts1 END WHILE_SYM
unknown's avatar
unknown committed
2475
	  {
2476 2477 2478 2479 2480 2481 2482
	    LEX *lex= Lex;
	    uint ip= lex->sphead->instructions();
	    sp_label_t *lab= lex->spcont->last_label();  /* Jumping back */
	    sp_instr_jump *i = new sp_instr_jump(ip, lex->spcont, lab->ip);

	    lex->sphead->add_instr(i);
	  }
2483 2484 2485
        | REPEAT_SYM sp_proc_stmts1 UNTIL_SYM 
          { Lex->sphead->reset_lex(YYTHD); }
          expr END REPEAT_SYM
2486 2487 2488 2489 2490
	  {
	    LEX *lex= Lex;
	    uint ip= lex->sphead->instructions();
	    sp_label_t *lab= lex->spcont->last_label();  /* Jumping back */
	    sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, lex->spcont,
2491 2492
                                                               $5, lab->ip,
                                                               lex);
2493
            lex->sphead->add_instr(i);
2494
            lex->sphead->restore_lex(YYTHD);
2495
	  }
2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511
	;

trg_action_time:
            BEFORE_SYM 
            { Lex->trg_chistics.action_time= TRG_ACTION_BEFORE; }
          | AFTER_SYM 
            { Lex->trg_chistics.action_time= TRG_ACTION_AFTER; }
          ;

trg_event:
            INSERT 
            { Lex->trg_chistics.event= TRG_EVENT_INSERT; }
          | UPDATE_SYM
            { Lex->trg_chistics.event= TRG_EVENT_UPDATE; }
          | DELETE_SYM
            { Lex->trg_chistics.event= TRG_EVENT_DELETE; }
2512
          ;
unknown's avatar
unknown committed
2513 2514

create2:
unknown's avatar
unknown committed
2515 2516 2517 2518 2519 2520
        '(' create2a {}
        | opt_create_table_options create3 {}
        | LIKE table_ident
          {
            LEX *lex=Lex;
            if (!(lex->name= (char *)$2))
unknown's avatar
unknown committed
2521
              YYABORT;
unknown's avatar
unknown committed
2522 2523 2524 2525 2526
          }
        | '(' LIKE table_ident ')'
          {
            LEX *lex=Lex;
            if (!(lex->name= (char *)$3))
2527
              YYABORT;
unknown's avatar
unknown committed
2528
          }
unknown's avatar
unknown committed
2529
        ;
unknown's avatar
unknown committed
2530

unknown's avatar
unknown committed
2531 2532
create2a:
        field_list ')' opt_create_table_options create3 {}
unknown's avatar
unknown committed
2533
	|  create_select ')' { Select->set_braces(1);} union_opt {}
2534
        ;
unknown's avatar
unknown committed
2535 2536

create3:
2537
	/* empty */ {}
unknown's avatar
unknown committed
2538
	| opt_duplicate opt_as     create_select
unknown's avatar
unknown committed
2539
          { Select->set_braces(0);} union_clause {}
unknown's avatar
unknown committed
2540
	| opt_duplicate opt_as '(' create_select ')'
unknown's avatar
unknown committed
2541
          { Select->set_braces(1);} union_opt {}
2542 2543
        ;

unknown's avatar
unknown committed
2544
create_select:
2545
          SELECT_SYM
unknown's avatar
unknown committed
2546
          {
unknown's avatar
unknown committed
2547
	    LEX *lex=Lex;
2548
	    lex->lock_option= using_update_log ? TL_READ_NO_INSERT : TL_READ;
2549 2550 2551 2552
	    if (lex->sql_command == SQLCOM_INSERT)
	      lex->sql_command= SQLCOM_INSERT_SELECT;
	    else if (lex->sql_command == SQLCOM_REPLACE)
	      lex->sql_command= SQLCOM_REPLACE_SELECT;
2553 2554 2555 2556
	    /*
              The following work only with the local list, the global list
              is created correctly in this case
	    */
unknown's avatar
unknown committed
2557
	    lex->current_select->table_list.save_and_clear(&lex->save_list);
unknown's avatar
unknown committed
2558
	    mysql_init_select(lex);
2559
	    lex->current_select->parsing_place= SELECT_LIST;
unknown's avatar
unknown committed
2560
          }
unknown's avatar
unknown committed
2561 2562
          select_options select_item_list
	  {
2563
	    Select->parsing_place= NO_MATTER;
unknown's avatar
unknown committed
2564
	  }
unknown's avatar
unknown committed
2565
	  opt_select_from
2566 2567 2568 2569 2570 2571 2572
	  {
	    /*
              The following work only with the local list, the global list
              is created correctly in this case
	    */
	    Lex->current_select->table_list.push_front(&Lex->save_list);
	  }
unknown's avatar
unknown committed
2573
        ;
unknown's avatar
unknown committed
2574

2575 2576
opt_as:
	/* empty */ {}
unknown's avatar
unknown committed
2577
	| AS	    {};
2578

2579 2580 2581 2582 2583 2584 2585 2586 2587
opt_create_database_options:
	/* empty */			{}
	| create_database_options	{};

create_database_options:
	create_database_option					{}
	| create_database_options create_database_option	{};

create_database_option:
2588 2589
	default_collation   {}
	| default_charset   {};
2590

unknown's avatar
unknown committed
2591
opt_table_options:
unknown's avatar
unknown committed
2592
	/* empty */	 { $$= 0; }
unknown's avatar
unknown committed
2593
	| table_options  { $$= $1;};
unknown's avatar
unknown committed
2594 2595 2596

table_options:
	table_option	{ $$=$1; }
unknown's avatar
unknown committed
2597
	| table_option table_options { $$= $1 | $2; };
unknown's avatar
unknown committed
2598

unknown's avatar
unknown committed
2599
table_option:
unknown's avatar
unknown committed
2600
	TEMPORARY	{ $$=HA_LEX_CREATE_TMP_TABLE; };
unknown's avatar
unknown committed
2601 2602

opt_if_not_exists:
unknown's avatar
unknown committed
2603
	/* empty */	 { $$= 0; }
2604
	| IF not EXISTS	 { $$=HA_LEX_CREATE_IF_NOT_EXISTS; };
unknown's avatar
unknown committed
2605 2606 2607

opt_create_table_options:
	/* empty */
unknown's avatar
unknown committed
2608
	| create_table_options;
unknown's avatar
unknown committed
2609

unknown's avatar
unknown committed
2610 2611 2612 2613
create_table_options_space_separated:
	create_table_option
	| create_table_option create_table_options_space_separated;

unknown's avatar
unknown committed
2614 2615
create_table_options:
	create_table_option
2616
	| create_table_option     create_table_options
unknown's avatar
unknown committed
2617
	| create_table_option ',' create_table_options;
unknown's avatar
unknown committed
2618 2619

create_table_option:
2620 2621
	ENGINE_SYM opt_equal storage_engines    { Lex->create_info.db_type= $3; Lex->create_info.used_fields|= HA_CREATE_USED_ENGINE; }
	| TYPE_SYM opt_equal storage_engines    { Lex->create_info.db_type= $3; WARN_DEPRECATED("TYPE=storage_engine","ENGINE=storage_engine");   Lex->create_info.used_fields|= HA_CREATE_USED_ENGINE; }
2622 2623
	| MAX_ROWS opt_equal ulonglong_num	{ Lex->create_info.max_rows= $3; Lex->create_info.used_fields|= HA_CREATE_USED_MAX_ROWS;}
	| MIN_ROWS opt_equal ulonglong_num	{ Lex->create_info.min_rows= $3; Lex->create_info.used_fields|= HA_CREATE_USED_MIN_ROWS;}
unknown's avatar
unknown committed
2624
	| AVG_ROW_LENGTH opt_equal ulong_num	{ Lex->create_info.avg_row_length=$3; Lex->create_info.used_fields|= HA_CREATE_USED_AVG_ROW_LENGTH;}
2625 2626
	| PASSWORD opt_equal TEXT_STRING_sys	{ Lex->create_info.password=$3.str; Lex->create_info.used_fields|= HA_CREATE_USED_PASSWORD; }
	| COMMENT_SYM opt_equal TEXT_STRING_sys	{ Lex->create_info.comment=$3.str; Lex->create_info.used_fields|= HA_CREATE_USED_COMMENT; }
2627
	| AUTO_INC opt_equal ulonglong_num	{ Lex->create_info.auto_increment_value=$3; Lex->create_info.used_fields|= HA_CREATE_USED_AUTO;}
2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648
        | PACK_KEYS_SYM opt_equal ulong_num
          {
            switch($3) {
            case 0:
                Lex->create_info.table_options|= HA_OPTION_NO_PACK_KEYS;
                break;
            case 1:
                Lex->create_info.table_options|= HA_OPTION_PACK_KEYS;
                break;
            default:
                yyerror(ER(ER_SYNTAX_ERROR));
                YYABORT;
            }
            Lex->create_info.used_fields|= HA_CREATE_USED_PACK_KEYS;
          }
        | PACK_KEYS_SYM opt_equal DEFAULT
          {
            Lex->create_info.table_options&=
              ~(HA_OPTION_PACK_KEYS | HA_OPTION_NO_PACK_KEYS);
            Lex->create_info.used_fields|= HA_CREATE_USED_PACK_KEYS;
          }
unknown's avatar
unknown committed
2649 2650
	| CHECKSUM_SYM opt_equal ulong_num	{ Lex->create_info.table_options|= $3 ? HA_OPTION_CHECKSUM : HA_OPTION_NO_CHECKSUM; Lex->create_info.used_fields|= HA_CREATE_USED_CHECKSUM; }
	| DELAY_KEY_WRITE_SYM opt_equal ulong_num { Lex->create_info.table_options|= $3 ? HA_OPTION_DELAY_KEY_WRITE : HA_OPTION_NO_DELAY_KEY_WRITE;  Lex->create_info.used_fields|= HA_CREATE_USED_DELAY_KEY_WRITE; }
2651
	| ROW_FORMAT_SYM opt_equal row_types	{ Lex->create_info.row_type= $3;  Lex->create_info.used_fields|= HA_CREATE_USED_ROW_FORMAT; }
unknown's avatar
unknown committed
2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666
	| RAID_TYPE opt_equal raid_types
	  {
	    my_error(ER_WARN_DEPRECATED_SYNTAX, MYF(0), "RAID_TYPE", "PARTITION");
	    YYABORT;
	  }
	| RAID_CHUNKS opt_equal ulong_num
	  {
	    my_error(ER_WARN_DEPRECATED_SYNTAX, MYF(0), "RAID_CHUNKS", "PARTITION");
	    YYABORT;
	  }
	| RAID_CHUNKSIZE opt_equal ulong_num
	  {
	    my_error(ER_WARN_DEPRECATED_SYNTAX, MYF(0), "RAID_CHUNKSIZE", "PARTITION");
	    YYABORT;
	  }
2667
	| UNION_SYM opt_equal '(' table_list ')'
2668 2669 2670
	  {
	    /* Move the union list to the merge_list */
	    LEX *lex=Lex;
2671 2672
	    TABLE_LIST *table_list= lex->select_lex.get_table_list();
	    lex->create_info.merge_list= lex->select_lex.table_list;
2673
	    lex->create_info.merge_list.elements--;
2674 2675
	    lex->create_info.merge_list.first=
	      (byte*) (table_list->next_local);
2676
	    lex->select_lex.table_list.elements=1;
2677 2678 2679
	    lex->select_lex.table_list.next=
	      (byte**) &(table_list->next_local);
	    table_list->next_local= 0;
2680
	    lex->create_info.used_fields|= HA_CREATE_USED_UNION;
2681
	  }
2682 2683
	| default_charset
	| default_collation
2684
	| INSERT_METHOD opt_equal merge_insert_types   { Lex->create_info.merge_insert_method= $3; Lex->create_info.used_fields|= HA_CREATE_USED_INSERT_METHOD;}
2685 2686
	| DATA_SYM DIRECTORY_SYM opt_equal TEXT_STRING_sys { Lex->create_info.data_file_name= $4.str; Lex->create_info.used_fields|= HA_CREATE_USED_DATADIR; }
	| INDEX_SYM DIRECTORY_SYM opt_equal TEXT_STRING_sys { Lex->create_info.index_file_name= $4.str;  Lex->create_info.used_fields|= HA_CREATE_USED_INDEXDIR; }
2687
	| CONNECTION_SYM opt_equal TEXT_STRING_sys { Lex->create_info.connect_string.str= $3.str; Lex->create_info.connect_string.length= $3.length;  Lex->create_info.used_fields|= HA_CREATE_USED_CONNECTION; }
2688
        ;
unknown's avatar
unknown committed
2689

2690 2691 2692 2693 2694 2695 2696 2697
default_charset:
        opt_default charset opt_equal charset_name_or_default
        {
          HA_CREATE_INFO *cinfo= &Lex->create_info;
          if ((cinfo->used_fields & HA_CREATE_USED_DEFAULT_CHARSET) &&
               cinfo->default_table_charset && $4 &&
               !my_charset_same(cinfo->default_table_charset,$4))
          {
2698 2699 2700
            my_error(ER_CONFLICTING_DECLARATIONS, MYF(0),
                     "CHARACTER SET ", cinfo->default_table_charset->csname,
                     "CHARACTER SET ", $4->csname);
2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714
            YYABORT;
          }
	  Lex->create_info.default_table_charset= $4;
          Lex->create_info.used_fields|= HA_CREATE_USED_DEFAULT_CHARSET;
        };

default_collation:
        opt_default COLLATE_SYM opt_equal collation_name_or_default
        {
          HA_CREATE_INFO *cinfo= &Lex->create_info;
          if ((cinfo->used_fields & HA_CREATE_USED_DEFAULT_CHARSET) &&
               cinfo->default_table_charset && $4 &&
               !my_charset_same(cinfo->default_table_charset,$4))
            {
2715 2716
              my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                       $4->name, cinfo->default_table_charset->csname);
2717 2718 2719 2720 2721 2722
              YYABORT;
            }
            Lex->create_info.default_table_charset= $4;
            Lex->create_info.used_fields|= HA_CREATE_USED_DEFAULT_CHARSET;
        };

unknown's avatar
unknown committed
2723
storage_engines:
2724 2725 2726 2727
	ident_or_text
	{
	  $$ = ha_resolve_by_name($1.str,$1.length);
	  if ($$ == DB_TYPE_UNKNOWN) {
2728
	    my_error(ER_UNKNOWN_STORAGE_ENGINE, MYF(0), $1.str);
2729 2730 2731
	    YYABORT;
	  }
	};
unknown's avatar
unknown committed
2732 2733 2734 2735 2736

row_types:
	DEFAULT		{ $$= ROW_TYPE_DEFAULT; }
	| FIXED_SYM	{ $$= ROW_TYPE_FIXED; }
	| DYNAMIC_SYM	{ $$= ROW_TYPE_DYNAMIC; }
2737 2738 2739
	| COMPRESSED_SYM { $$= ROW_TYPE_COMPRESSED; }
	| REDUNDANT_SYM	{ $$= ROW_TYPE_REDUNDANT; }
	| COMPACT_SYM	{ $$= ROW_TYPE_COMPACT; };
unknown's avatar
unknown committed
2740 2741 2742 2743

raid_types:
	RAID_STRIPED_SYM { $$= RAID_TYPE_0; }
	| RAID_0_SYM	 { $$= RAID_TYPE_0; }
unknown's avatar
unknown committed
2744
	| ulong_num	 { $$=$1;};
unknown's avatar
unknown committed
2745

2746 2747 2748
merge_insert_types:
       NO_SYM            { $$= MERGE_INSERT_DISABLED; }
       | FIRST_SYM       { $$= MERGE_INSERT_TO_FIRST; }
unknown's avatar
unknown committed
2749
       | LAST_SYM        { $$= MERGE_INSERT_TO_LAST; };
2750

unknown's avatar
unknown committed
2751
opt_select_from:
2752
	opt_limit_clause {}
unknown's avatar
unknown committed
2753
	| select_from select_lock_type;
unknown's avatar
unknown committed
2754 2755

udf_func_type:
2756
	/* empty */	{ $$ = UDFTYPE_FUNCTION; }
unknown's avatar
unknown committed
2757
	| AGGREGATE_SYM { $$ = UDFTYPE_AGGREGATE; };
unknown's avatar
unknown committed
2758 2759 2760 2761

udf_type:
	STRING_SYM {$$ = (int) STRING_RESULT; }
	| REAL {$$ = (int) REAL_RESULT; }
unknown's avatar
unknown committed
2762
        | DECIMAL_SYM {$$ = (int) DECIMAL_RESULT; }
unknown's avatar
unknown committed
2763
	| INT_SYM {$$ = (int) INT_RESULT; };
unknown's avatar
unknown committed
2764 2765 2766

field_list:
	  field_list_item
unknown's avatar
unknown committed
2767
	| field_list ',' field_list_item;
unknown's avatar
unknown committed
2768 2769 2770


field_list_item:
unknown's avatar
unknown committed
2771
	   column_def
2772 2773 2774 2775
         | key_def
         ;

column_def:
unknown's avatar
unknown committed
2776
	  field_spec opt_check_constraint
unknown's avatar
unknown committed
2777 2778 2779 2780
	| field_spec references
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
	  }
unknown's avatar
unknown committed
2781
	;
2782 2783

key_def:
unknown's avatar
unknown committed
2784
	key_type opt_ident key_alg '(' key_list ')'
unknown's avatar
unknown committed
2785
	  {
unknown's avatar
unknown committed
2786
	    LEX *lex=Lex;
2787
	    lex->key_list.push_back(new Key($1,$2, $3, 0, lex->col_list));
unknown's avatar
unknown committed
2788
	    lex->col_list.empty();		/* Alloced by sql_alloc */
unknown's avatar
unknown committed
2789
	  }
2790 2791 2792 2793
	| opt_constraint constraint_key_type opt_ident key_alg '(' key_list ')'
	  {
	    LEX *lex=Lex;
	    const char *key_name= $3 ? $3:$1;
2794 2795
	    lex->key_list.push_back(new Key($2, key_name, $4, 0,
				    lex->col_list));
2796 2797
	    lex->col_list.empty();		/* Alloced by sql_alloc */
	  }
2798
	| opt_constraint FOREIGN KEY_SYM opt_ident '(' key_list ')' references
unknown's avatar
unknown committed
2799
	  {
2800
	    LEX *lex=Lex;
2801
	    lex->key_list.push_back(new foreign_key($4 ? $4:$1, lex->col_list,
2802 2803 2804 2805 2806
				    $8,
				    lex->ref_list,
				    lex->fk_delete_opt,
				    lex->fk_update_opt,
				    lex->fk_match_option));
2807 2808 2809
	    lex->key_list.push_back(new Key(Key::MULTIPLE, $4 ? $4 : $1,
					    HA_KEY_ALG_UNDEF, 1,
					    lex->col_list));
2810
	    lex->col_list.empty();		/* Alloced by sql_alloc */
unknown's avatar
unknown committed
2811
	  }
unknown's avatar
unknown committed
2812 2813 2814 2815
	| constraint opt_check_constraint
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
	  }
2816
	| opt_constraint check_constraint
unknown's avatar
unknown committed
2817 2818
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
2819 2820 2821
	  }
	;

unknown's avatar
unknown committed
2822
opt_check_constraint:
2823
	/* empty */
unknown's avatar
unknown committed
2824 2825 2826 2827 2828
	| check_constraint
	;

check_constraint:
	CHECK_SYM expr
2829
	;
unknown's avatar
unknown committed
2830 2831

opt_constraint:
2832
	/* empty */		{ $$=(char*) 0; }
unknown's avatar
unknown committed
2833 2834 2835 2836 2837 2838
	| constraint		{ $$= $1; }
	;

constraint:
	CONSTRAINT opt_ident	{ $$=$2; }
	;
unknown's avatar
unknown committed
2839 2840 2841 2842

field_spec:
	field_ident
	 {
unknown's avatar
unknown committed
2843
	   LEX *lex=Lex;
2844
	   lex->length=lex->dec=0; lex->type=0;
2845
	   lex->default_value= lex->on_update_value= 0;
2846
           lex->comment=null_lex_str;
2847
	   lex->charset=NULL;
unknown's avatar
unknown committed
2848 2849 2850
	 }
	type opt_attribute
	{
unknown's avatar
unknown committed
2851
	  LEX *lex=Lex;
unknown's avatar
unknown committed
2852
	  if (add_field_to_list(lex->thd, $1.str,
unknown's avatar
unknown committed
2853
				(enum enum_field_types) $3,
unknown's avatar
unknown committed
2854
				lex->length,lex->dec,lex->type,
2855
				lex->default_value, lex->on_update_value, 
2856
                                &lex->comment,
2857
				lex->change,&lex->interval_list,lex->charset,
unknown's avatar
unknown committed
2858
				lex->uint_geom_type))
unknown's avatar
unknown committed
2859
	    YYABORT;
unknown's avatar
unknown committed
2860
	};
unknown's avatar
unknown committed
2861 2862

type:
2863
	int_type opt_len field_options	{ $$=$1; }
unknown's avatar
unknown committed
2864 2865
	| real_type opt_precision field_options { $$=$1; }
	| FLOAT_SYM float_options field_options { $$=FIELD_TYPE_FLOAT; }
unknown's avatar
unknown committed
2866 2867 2868 2869
	| BIT_SYM			{ Lex->length= (char*) "1";
					  $$=FIELD_TYPE_BIT; }
	| BIT_SYM '(' NUM ')'		{ Lex->length= $3.str;
					  $$=FIELD_TYPE_BIT; }
unknown's avatar
unknown committed
2870 2871
	| BOOL_SYM			{ Lex->length=(char*) "1";
					  $$=FIELD_TYPE_TINY; }
2872 2873
	| BOOLEAN_SYM			{ Lex->length=(char*) "1";
					  $$=FIELD_TYPE_TINY; }
2874
	| char '(' NUM ')' opt_binary	{ Lex->length=$3.str;
unknown's avatar
unknown committed
2875 2876 2877
					  $$=FIELD_TYPE_STRING; }
	| char opt_binary		{ Lex->length=(char*) "1";
					  $$=FIELD_TYPE_STRING; }
unknown's avatar
unknown committed
2878
	| nchar '(' NUM ')' opt_bin_mod	{ Lex->length=$3.str;
unknown's avatar
unknown committed
2879
					  $$=FIELD_TYPE_STRING;
2880
					  Lex->charset=national_charset_info; }
unknown's avatar
unknown committed
2881
	| nchar opt_bin_mod		{ Lex->length=(char*) "1";
unknown's avatar
unknown committed
2882
					  $$=FIELD_TYPE_STRING;
2883
					  Lex->charset=national_charset_info; }
2884
	| BINARY '(' NUM ')'		{ Lex->length=$3.str;
unknown's avatar
unknown committed
2885
					  Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2886
					  $$=FIELD_TYPE_STRING; }
2887 2888 2889
	| BINARY			{ Lex->length= (char*) "1";
					  Lex->charset=&my_charset_bin;
					  $$=FIELD_TYPE_STRING; }
unknown's avatar
unknown committed
2890
	| varchar '(' NUM ')' opt_binary { Lex->length=$3.str;
2891
					  $$= MYSQL_TYPE_VARCHAR; }
unknown's avatar
unknown committed
2892
	| nvarchar '(' NUM ')' opt_bin_mod { Lex->length=$3.str;
2893
					  $$= MYSQL_TYPE_VARCHAR;
2894
					  Lex->charset=national_charset_info; }
unknown's avatar
unknown committed
2895
	| VARBINARY '(' NUM ')' 	{ Lex->length=$3.str;
unknown's avatar
unknown committed
2896
					  Lex->charset=&my_charset_bin;
2897
					  $$= MYSQL_TYPE_VARCHAR; }
2898
	| YEAR_SYM opt_len field_options { $$=FIELD_TYPE_YEAR; }
unknown's avatar
unknown committed
2899 2900
	| DATE_SYM			{ $$=FIELD_TYPE_DATE; }
	| TIME_SYM			{ $$=FIELD_TYPE_TIME; }
2901
	| TIMESTAMP opt_len
2902
	  {
2903
	    if (YYTHD->variables.sql_mode & MODE_MAXDB)
2904 2905
	      $$=FIELD_TYPE_DATETIME;
	    else
2906 2907 2908 2909 2910
            {
              /* 
                Unlike other types TIMESTAMP fields are NOT NULL by default.
              */
              Lex->type|= NOT_NULL_FLAG;
2911
	      $$=FIELD_TYPE_TIMESTAMP;
2912
            }
2913
	   }
unknown's avatar
unknown committed
2914
	| DATETIME			{ $$=FIELD_TYPE_DATETIME; }
unknown's avatar
unknown committed
2915
	| TINYBLOB			{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2916
					  $$=FIELD_TYPE_TINY_BLOB; }
unknown's avatar
unknown committed
2917
	| BLOB_SYM opt_len		{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2918
					  $$=FIELD_TYPE_BLOB; }
unknown's avatar
unknown committed
2919 2920
	| spatial_type
          {
unknown's avatar
unknown committed
2921
#ifdef HAVE_SPATIAL
unknown's avatar
unknown committed
2922 2923 2924
            Lex->charset=&my_charset_bin;
            Lex->uint_geom_type= (uint)$1;
            $$=FIELD_TYPE_GEOMETRY;
unknown's avatar
unknown committed
2925
#else
unknown's avatar
unknown committed
2926
            my_error(ER_FEATURE_DISABLED, MYF(0),
2927
                     sym_group_geom.name, sym_group_geom.needed_define);
unknown's avatar
unknown committed
2928
            YYABORT;
unknown's avatar
unknown committed
2929
#endif
unknown's avatar
unknown committed
2930
          }
unknown's avatar
unknown committed
2931
	| MEDIUMBLOB			{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2932
					  $$=FIELD_TYPE_MEDIUM_BLOB; }
unknown's avatar
unknown committed
2933
	| LONGBLOB			{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2934
					  $$=FIELD_TYPE_LONG_BLOB; }
unknown's avatar
unknown committed
2935
	| LONG_SYM VARBINARY		{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2936
					  $$=FIELD_TYPE_MEDIUM_BLOB; }
2937 2938
	| LONG_SYM varchar opt_binary	{ $$=FIELD_TYPE_MEDIUM_BLOB; }
	| TINYTEXT opt_binary		{ $$=FIELD_TYPE_TINY_BLOB; }
2939
	| TEXT_SYM opt_len opt_binary	{ $$=FIELD_TYPE_BLOB; }
2940 2941
	| MEDIUMTEXT opt_binary		{ $$=FIELD_TYPE_MEDIUM_BLOB; }
	| LONGTEXT opt_binary		{ $$=FIELD_TYPE_LONG_BLOB; }
unknown's avatar
unknown committed
2942
	| DECIMAL_SYM float_options field_options
unknown's avatar
unknown committed
2943
                                        { $$=FIELD_TYPE_NEWDECIMAL;}
unknown's avatar
unknown committed
2944
	| NUMERIC_SYM float_options field_options
unknown's avatar
unknown committed
2945
                                        { $$=FIELD_TYPE_NEWDECIMAL;}
2946
	| FIXED_SYM float_options field_options
unknown's avatar
unknown committed
2947
                                        { $$=FIELD_TYPE_NEWDECIMAL;}
2948
	| ENUM {Lex->interval_list.empty();} '(' string_list ')' opt_binary
2949
	  { $$=FIELD_TYPE_ENUM; }
2950
	| SET { Lex->interval_list.empty();} '(' string_list ')' opt_binary
2951
	  { $$=FIELD_TYPE_SET; }
2952
	| LONG_SYM opt_binary		{ $$=FIELD_TYPE_MEDIUM_BLOB; }
unknown's avatar
unknown committed
2953 2954 2955 2956 2957 2958
	| SERIAL_SYM
	  {
	    $$=FIELD_TYPE_LONGLONG;
	    Lex->type|= (AUTO_INCREMENT_FLAG | NOT_NULL_FLAG | UNSIGNED_FLAG |
		         UNIQUE_FLAG);
	  }
2959
	;
unknown's avatar
unknown committed
2960

unknown's avatar
unknown committed
2961 2962 2963
spatial_type:
	GEOMETRY_SYM	      { $$= Field::GEOM_GEOMETRY; }
	| GEOMETRYCOLLECTION  { $$= Field::GEOM_GEOMETRYCOLLECTION; }
2964 2965 2966
	| POINT_SYM           { Lex->length= (char*)"21";
                                $$= Field::GEOM_POINT;
                              }
unknown's avatar
unknown committed
2967 2968 2969 2970 2971 2972 2973
	| MULTIPOINT          { $$= Field::GEOM_MULTIPOINT; }
	| LINESTRING          { $$= Field::GEOM_LINESTRING; }
	| MULTILINESTRING     { $$= Field::GEOM_MULTILINESTRING; }
	| POLYGON             { $$= Field::GEOM_POLYGON; }
	| MULTIPOLYGON        { $$= Field::GEOM_MULTIPOLYGON; }
	;

unknown's avatar
unknown committed
2974 2975
char:
	CHAR_SYM {}
unknown's avatar
unknown committed
2976 2977 2978 2979 2980 2981
	;

nchar:
	NCHAR_SYM {}
	| NATIONAL_SYM CHAR_SYM {}
	;
unknown's avatar
unknown committed
2982

unknown's avatar
unknown committed
2983 2984 2985
varchar:
	char VARYING {}
	| VARCHAR {}
unknown's avatar
unknown committed
2986 2987 2988 2989
	;

nvarchar:
	NATIONAL_SYM VARCHAR {}
unknown's avatar
unknown committed
2990
	| NVARCHAR_SYM {}
unknown's avatar
unknown committed
2991 2992 2993 2994
	| NCHAR_SYM VARCHAR {}
	| NATIONAL_SYM CHAR_SYM VARYING {}
	| NCHAR_SYM VARYING {}
	;
unknown's avatar
unknown committed
2995 2996 2997 2998 2999 3000

int_type:
	INT_SYM		{ $$=FIELD_TYPE_LONG; }
	| TINYINT	{ $$=FIELD_TYPE_TINY; }
	| SMALLINT	{ $$=FIELD_TYPE_SHORT; }
	| MEDIUMINT	{ $$=FIELD_TYPE_INT24; }
unknown's avatar
unknown committed
3001
	| BIGINT	{ $$=FIELD_TYPE_LONGLONG; };
unknown's avatar
unknown committed
3002 3003

real_type:
3004
	REAL		{ $$= YYTHD->variables.sql_mode & MODE_REAL_AS_FLOAT ?
unknown's avatar
unknown committed
3005 3006
			      FIELD_TYPE_FLOAT : FIELD_TYPE_DOUBLE; }
	| DOUBLE_SYM	{ $$=FIELD_TYPE_DOUBLE; }
unknown's avatar
unknown committed
3007
	| DOUBLE_SYM PRECISION { $$=FIELD_TYPE_DOUBLE; };
unknown's avatar
unknown committed
3008 3009 3010


float_options:
unknown's avatar
unknown committed
3011 3012
        /* empty */		{ Lex->dec=Lex->length= (char*)0; }
        | '(' NUM ')'		{ Lex->length=$2.str; Lex->dec= (char*)0; }
unknown's avatar
unknown committed
3013
	| precision		{};
unknown's avatar
unknown committed
3014 3015 3016 3017 3018 3019

precision:
	'(' NUM ',' NUM ')'
	{
	  LEX *lex=Lex;
	  lex->length=$2.str; lex->dec=$4.str;
unknown's avatar
unknown committed
3020
	};
unknown's avatar
unknown committed
3021 3022 3023

field_options:
	/* empty */		{}
unknown's avatar
unknown committed
3024
	| field_opt_list	{};
unknown's avatar
unknown committed
3025 3026 3027

field_opt_list:
	field_opt_list field_option {}
unknown's avatar
unknown committed
3028
	| field_option {};
unknown's avatar
unknown committed
3029 3030

field_option:
unknown's avatar
unknown committed
3031
	SIGNED_SYM	{}
3032
	| UNSIGNED	{ Lex->type|= UNSIGNED_FLAG;}
unknown's avatar
unknown committed
3033
	| ZEROFILL	{ Lex->type|= UNSIGNED_FLAG | ZEROFILL_FLAG; };
unknown's avatar
unknown committed
3034 3035

opt_len:
3036 3037
	/* empty */	{ Lex->length=(char*) 0; } /* use default length */
	| '(' NUM ')'	{ Lex->length= $2.str; };
unknown's avatar
unknown committed
3038 3039 3040

opt_precision:
	/* empty */	{}
unknown's avatar
unknown committed
3041
	| precision	{};
unknown's avatar
unknown committed
3042 3043 3044

opt_attribute:
	/* empty */ {}
unknown's avatar
unknown committed
3045
	| opt_attribute_list {};
unknown's avatar
unknown committed
3046 3047 3048

opt_attribute_list:
	opt_attribute_list attribute {}
unknown's avatar
unknown committed
3049
	| attribute;
unknown's avatar
unknown committed
3050 3051 3052

attribute:
	NULL_SYM	  { Lex->type&= ~ NOT_NULL_FLAG; }
3053
	| not NULL_SYM	  { Lex->type|= NOT_NULL_FLAG; }
3054 3055 3056
	| DEFAULT now_or_signed_literal { Lex->default_value=$2; }
	| ON UPDATE_SYM NOW_SYM optional_braces 
          { Lex->on_update_value= new Item_func_now_local(); }
unknown's avatar
unknown committed
3057
	| AUTO_INC	  { Lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG; }
3058
	| SERIAL_SYM DEFAULT VALUE_SYM
3059 3060 3061
	  { 
	    LEX *lex=Lex;
	    lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG | UNIQUE_FLAG; 
3062
	    lex->alter_info.flags|= ALTER_ADD_INDEX; 
3063 3064 3065 3066 3067
	  }
	| opt_primary KEY_SYM 
	  {
	    LEX *lex=Lex;
	    lex->type|= PRI_KEY_FLAG | NOT_NULL_FLAG; 
3068
	    lex->alter_info.flags|= ALTER_ADD_INDEX; 
3069 3070 3071 3072 3073
	  }
	| UNIQUE_SYM	  
	  {
	    LEX *lex=Lex;
	    lex->type|= UNIQUE_FLAG; 
3074
	    lex->alter_info.flags|= ALTER_ADD_INDEX; 
3075 3076 3077 3078 3079
	  }
	| UNIQUE_SYM KEY_SYM 
	  {
	    LEX *lex=Lex;
	    lex->type|= UNIQUE_KEY_FLAG; 
3080
	    lex->alter_info.flags|= ALTER_ADD_INDEX; 
3081
	  }
3082
	| COMMENT_SYM TEXT_STRING_sys { Lex->comment= $2; }
unknown's avatar
unknown committed
3083 3084
	| COLLATE_SYM collation_name
	  {
unknown's avatar
unknown committed
3085
	    if (Lex->charset && !my_charset_same(Lex->charset,$2))
unknown's avatar
unknown committed
3086
	    {
3087 3088
	      my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                       $2->name,Lex->charset->csname);
unknown's avatar
unknown committed
3089 3090 3091 3092 3093 3094 3095 3096
	      YYABORT;
	    }
	    else
	    {
	      Lex->charset=$2;
	    }
	  }
	;
unknown's avatar
unknown committed
3097

3098 3099 3100 3101 3102
now_or_signed_literal:
        NOW_SYM optional_braces { $$= new Item_func_now_local(); }
        | signed_literal { $$=$1; }
        ;

3103 3104 3105 3106
charset:
	CHAR_SYM SET	{}
	| CHARSET	{}
	;
unknown's avatar
unknown committed
3107

3108
charset_name:
3109
	ident_or_text
3110
	{
unknown's avatar
unknown committed
3111
	  if (!($$=get_charset_by_csname($1.str,MY_CS_PRIMARY,MYF(0))))
3112
	  {
3113
	    my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), $1.str);
3114 3115
	    YYABORT;
	  }
unknown's avatar
unknown committed
3116 3117 3118
	}
	| BINARY { $$= &my_charset_bin; }
	;
3119

3120 3121 3122
charset_name_or_default:
	charset_name { $$=$1;   }
	| DEFAULT    { $$=NULL; } ;
unknown's avatar
unknown committed
3123

unknown's avatar
unknown committed
3124 3125 3126 3127 3128 3129 3130

old_or_new_charset_name:
	ident_or_text
	{
	  if (!($$=get_charset_by_csname($1.str,MY_CS_PRIMARY,MYF(0))) &&
	      !($$=get_old_charset_by_name($1.str)))
	  {
3131
	    my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), $1.str);
unknown's avatar
unknown committed
3132 3133 3134 3135 3136 3137 3138 3139 3140 3141
	    YYABORT;
	  }
	}
	| BINARY { $$= &my_charset_bin; }
	;

old_or_new_charset_name_or_default:
	old_or_new_charset_name { $$=$1;   }
	| DEFAULT    { $$=NULL; } ;

3142
collation_name:
3143
	ident_or_text
3144 3145 3146
	{
	  if (!($$=get_charset_by_name($1.str,MYF(0))))
	  {
3147
	    my_error(ER_UNKNOWN_COLLATION, MYF(0), $1.str);
3148 3149 3150 3151
	    YYABORT;
	  }
	};

3152 3153
opt_collate:
	/* empty */	{ $$=NULL; }
unknown's avatar
unknown committed
3154
	| COLLATE_SYM collation_name_or_default { $$=$2; }
3155 3156
	;

3157 3158 3159 3160
collation_name_or_default:
	collation_name { $$=$1;   }
	| DEFAULT    { $$=NULL; } ;

3161 3162 3163 3164
opt_default:
	/* empty */	{}
	| DEFAULT	{};

unknown's avatar
unknown committed
3165
opt_binary:
3166
	/* empty */			{ Lex->charset=NULL; }
unknown's avatar
unknown committed
3167
	| ASCII_SYM opt_bin_mod		{ Lex->charset=&my_charset_latin1; }
unknown's avatar
unknown committed
3168
	| BYTE_SYM			{ Lex->charset=&my_charset_bin; }
unknown's avatar
unknown committed
3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187
	| UNICODE_SYM opt_bin_mod
	{
	  if (!(Lex->charset=get_charset_by_csname("ucs2",
                                                   MY_CS_PRIMARY,MYF(0))))
	  {
	    my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), "ucs2");
	    YYABORT;
	  }
	}
	| charset charset_name opt_bin_mod	{ Lex->charset=$2; }
        | BINARY opt_bin_charset { Lex->type|= BINCMP_FLAG; };

opt_bin_mod:
	/* empty */ { }
	| BINARY { Lex->type|= BINCMP_FLAG; };

opt_bin_charset:
	/* empty */ { }
	| ASCII_SYM	{ Lex->charset=&my_charset_latin1; }
unknown's avatar
unknown committed
3188 3189
	| UNICODE_SYM
	{
unknown's avatar
unknown committed
3190 3191
	  if (!(Lex->charset=get_charset_by_csname("ucs2",
                                                   MY_CS_PRIMARY,MYF(0))))
unknown's avatar
unknown committed
3192
	  {
unknown's avatar
unknown committed
3193
	    my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), "ucs2");
unknown's avatar
unknown committed
3194 3195 3196
	    YYABORT;
	  }
	}
3197
	| charset charset_name	{ Lex->charset=$2; } ;
unknown's avatar
unknown committed
3198

unknown's avatar
unknown committed
3199 3200 3201
opt_primary:
	/* empty */
	| PRIMARY_SYM
3202
	;
unknown's avatar
unknown committed
3203

unknown's avatar
unknown committed
3204
references:
3205 3206
	REFERENCES table_ident
	{
3207
	  LEX *lex=Lex;
3208 3209 3210 3211 3212 3213
	  lex->fk_delete_opt= lex->fk_update_opt= lex->fk_match_option= 0;
	  lex->ref_list.empty();
	}
	opt_ref_list
	{
	  $$=$2;
unknown's avatar
unknown committed
3214
	};
3215

3216
opt_ref_list:
unknown's avatar
unknown committed
3217
	/* empty */ opt_on_delete {}
unknown's avatar
unknown committed
3218
	| '(' ref_list ')' opt_on_delete {};
3219 3220 3221

ref_list:
	ref_list ',' ident	{ Lex->ref_list.push_back(new key_part_spec($3.str)); }
unknown's avatar
unknown committed
3222
	| ident			{ Lex->ref_list.push_back(new key_part_spec($1.str)); };
3223

unknown's avatar
unknown committed
3224 3225 3226

opt_on_delete:
	/* empty */ {}
unknown's avatar
unknown committed
3227
	| opt_on_delete_list {};
unknown's avatar
unknown committed
3228 3229 3230

opt_on_delete_list:
	opt_on_delete_list opt_on_delete_item {}
unknown's avatar
unknown committed
3231
	| opt_on_delete_item {};
unknown's avatar
unknown committed
3232 3233

opt_on_delete_item:
3234 3235 3236 3237
	ON DELETE_SYM delete_option   { Lex->fk_delete_opt= $3; }
	| ON UPDATE_SYM delete_option { Lex->fk_update_opt= $3; }
	| MATCH FULL	{ Lex->fk_match_option= foreign_key::FK_MATCH_FULL; }
	| MATCH PARTIAL { Lex->fk_match_option= foreign_key::FK_MATCH_PARTIAL; }
unknown's avatar
unknown committed
3238
	| MATCH SIMPLE_SYM { Lex->fk_match_option= foreign_key::FK_MATCH_SIMPLE; };
unknown's avatar
unknown committed
3239 3240

delete_option:
3241 3242 3243 3244
	RESTRICT	 { $$= (int) foreign_key::FK_OPTION_RESTRICT; }
	| CASCADE	 { $$= (int) foreign_key::FK_OPTION_CASCADE; }
	| SET NULL_SYM   { $$= (int) foreign_key::FK_OPTION_SET_NULL; }
	| NO_SYM ACTION  { $$= (int) foreign_key::FK_OPTION_NO_ACTION; }
unknown's avatar
unknown committed
3245
	| SET DEFAULT    { $$= (int) foreign_key::FK_OPTION_DEFAULT;  };
unknown's avatar
unknown committed
3246 3247

key_type:
3248
	key_or_index			    { $$= Key::MULTIPLE; }
unknown's avatar
SCRUM  
unknown committed
3249 3250
	| FULLTEXT_SYM opt_key_or_index	    { $$= Key::FULLTEXT; }
	| SPATIAL_SYM opt_key_or_index
unknown's avatar
unknown committed
3251 3252 3253 3254
	  {
#ifdef HAVE_SPATIAL
	    $$= Key::SPATIAL;
#else
3255 3256
	    my_error(ER_FEATURE_DISABLED, MYF(0),
                     sym_group_geom.name, sym_group_geom.needed_define);
unknown's avatar
unknown committed
3257 3258 3259
	    YYABORT;
#endif
	  };
3260 3261 3262

constraint_key_type:
	PRIMARY_SYM KEY_SYM  { $$= Key::PRIMARY; }
unknown's avatar
SCRUM  
unknown committed
3263
	| UNIQUE_SYM opt_key_or_index { $$= Key::UNIQUE; };
unknown's avatar
unknown committed
3264 3265 3266

key_or_index:
	KEY_SYM {}
unknown's avatar
unknown committed
3267
	| INDEX_SYM {};
unknown's avatar
unknown committed
3268

unknown's avatar
SCRUM  
unknown committed
3269 3270 3271 3272 3273
opt_key_or_index:
	/* empty */ {}
	| key_or_index
	;

unknown's avatar
unknown committed
3274 3275
keys_or_index:
	KEYS {}
unknown's avatar
unknown committed
3276
	| INDEX_SYM {}
unknown's avatar
unknown committed
3277
	| INDEXES {};
unknown's avatar
unknown committed
3278

3279
opt_unique_or_fulltext:
unknown's avatar
unknown committed
3280 3281
	/* empty */	{ $$= Key::MULTIPLE; }
	| UNIQUE_SYM	{ $$= Key::UNIQUE; }
unknown's avatar
unknown committed
3282
	| FULLTEXT_SYM	{ $$= Key::FULLTEXT;}
unknown's avatar
unknown committed
3283 3284 3285 3286 3287
	| SPATIAL_SYM
	  {
#ifdef HAVE_SPATIAL
	    $$= Key::SPATIAL;
#else
unknown's avatar
unknown committed
3288
            my_error(ER_FEATURE_DISABLED, MYF(0),
unknown's avatar
unknown committed
3289
                     sym_group_geom.name, sym_group_geom.needed_define);
unknown's avatar
unknown committed
3290 3291 3292
	    YYABORT;
#endif
	  }
unknown's avatar
unknown committed
3293
        ;
unknown's avatar
unknown committed
3294 3295

key_alg:
3296
	/* empty */		   { $$= HA_KEY_ALG_UNDEF; }
3297
	| USING opt_btree_or_rtree { $$= $2; }
unknown's avatar
unknown committed
3298
	| TYPE_SYM opt_btree_or_rtree  { $$= $2; };
unknown's avatar
unknown committed
3299 3300 3301

opt_btree_or_rtree:
	BTREE_SYM	{ $$= HA_KEY_ALG_BTREE; }
unknown's avatar
unknown committed
3302 3303 3304 3305
	| RTREE_SYM
	  {
	    $$= HA_KEY_ALG_RTREE;
	  }
unknown's avatar
unknown committed
3306
	| HASH_SYM	{ $$= HA_KEY_ALG_HASH; };
unknown's avatar
unknown committed
3307 3308 3309

key_list:
	key_list ',' key_part order_dir { Lex->col_list.push_back($3); }
unknown's avatar
unknown committed
3310
	| key_part order_dir		{ Lex->col_list.push_back($1); };
unknown's avatar
unknown committed
3311 3312 3313

key_part:
	ident			{ $$=new key_part_spec($1.str); }
3314 3315 3316 3317 3318
	| ident '(' NUM ')'	
        {
          int key_part_len= atoi($3.str);
          if (!key_part_len)
          {
3319
            my_error(ER_KEY_PART_0, MYF(0), $1.str);
3320 3321 3322
          }
          $$=new key_part_spec($1.str,(uint) key_part_len);
        };
unknown's avatar
unknown committed
3323 3324 3325

opt_ident:
	/* empty */	{ $$=(char*) 0; }	/* Defaultlength */
unknown's avatar
unknown committed
3326
	| field_ident	{ $$=$1.str; };
unknown's avatar
unknown committed
3327

3328
opt_component:
3329 3330
        /* empty */      { $$= null_lex_str; }
        | '.' ident      { $$= $2; };
3331

unknown's avatar
unknown committed
3332 3333
string_list:
	text_string			{ Lex->interval_list.push_back($1); }
unknown's avatar
unknown committed
3334
	| string_list ',' text_string	{ Lex->interval_list.push_back($3); };
unknown's avatar
unknown committed
3335 3336 3337 3338 3339 3340 3341 3342

/*
** Alter table
*/

alter:
	ALTER opt_ignore TABLE_SYM table_ident
	{
3343
	  THD *thd= YYTHD;
3344
	  LEX *lex= thd->lex;
3345 3346 3347
	  lex->sql_command= SQLCOM_ALTER_TABLE;
	  lex->name= 0;
	  lex->duplicates= DUP_ERROR; 
unknown's avatar
unknown committed
3348 3349
	  if (!lex->select_lex.add_table_to_list(thd, $4, NULL,
						 TL_OPTION_UPDATING))
unknown's avatar
unknown committed
3350 3351 3352 3353
	    YYABORT;
	  lex->create_list.empty();
	  lex->key_list.empty();
	  lex->col_list.empty();
3354
          lex->select_lex.init_order();
3355
	  lex->select_lex.db=lex->name=0;
3356
	  bzero((char*) &lex->create_info,sizeof(lex->create_info));
unknown's avatar
unknown committed
3357
	  lex->create_info.db_type= DB_TYPE_DEFAULT;
3358
	  lex->create_info.default_table_charset= NULL;
3359
	  lex->create_info.row_type= ROW_TYPE_NOT_USED;
3360
	  lex->alter_info.reset();
3361
	  lex->alter_info.flags= 0;
unknown's avatar
unknown committed
3362
	}
3363 3364
	alter_list
	{}
3365
	| ALTER DATABASE ident_or_empty
3366 3367 3368 3369 3370
          {
            Lex->create_info.default_table_charset= NULL;
            Lex->create_info.used_fields= 0;
          }
          opt_create_database_options
3371 3372 3373
	  {
	    LEX *lex=Lex;
	    lex->sql_command=SQLCOM_ALTER_DB;
3374
	    lex->name= $3;
3375 3376 3377 3378 3379
	  }
	| ALTER PROCEDURE sp_name
	  {
	    LEX *lex= Lex;

3380 3381 3382 3383 3384
	    if (lex->sphead)
	    {
	      my_error(ER_SP_NO_DROP_SP, MYF(0), "PROCEDURE");
	      YYABORT;
	    }
3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396
	    bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
          }
	  sp_a_chistics
	  {
	    LEX *lex=Lex;

	    lex->sql_command= SQLCOM_ALTER_PROCEDURE;
	    lex->spname= $3;
	  }
	| ALTER FUNCTION_SYM sp_name
	  {
	    LEX *lex= Lex;
3397

3398 3399 3400 3401 3402
	    if (lex->sphead)
	    {
	      my_error(ER_SP_NO_DROP_SP, MYF(0), "FUNCTION");
	      YYABORT;
	    }
3403 3404 3405 3406 3407 3408 3409 3410 3411
	    bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
          }
	  sp_a_chistics
	  {
	    LEX *lex=Lex;

	    lex->sql_command= SQLCOM_ALTER_FUNCTION;
	    lex->spname= $3;
	  }
3412 3413
        | ALTER view_algorithm_opt definer view_suid
          VIEW_SYM table_ident
3414 3415 3416 3417 3418 3419
	  {
	    THD *thd= YYTHD;
	    LEX *lex= thd->lex;
	    lex->sql_command= SQLCOM_CREATE_VIEW;
	    lex->create_view_mode= VIEW_ALTER;
	    /* first table in list is target VIEW name */
3420
	    lex->select_lex.add_table_to_list(thd, $6, NULL, 0);
3421
	  }
3422
	  view_list_opt AS view_select view_check_option
3423 3424
	  {}
	;
3425

3426 3427 3428 3429
ident_or_empty:
	/* empty */  { $$= 0; }
	| ident      { $$= $1.str; };

unknown's avatar
unknown committed
3430
alter_list:
3431 3432
	| DISCARD TABLESPACE { Lex->alter_info.tablespace_op= DISCARD_TABLESPACE; }
	| IMPORT TABLESPACE { Lex->alter_info.tablespace_op= IMPORT_TABLESPACE; }
unknown's avatar
unknown committed
3433
        | alter_list_item
unknown's avatar
unknown committed
3434
	| alter_list ',' alter_list_item;
unknown's avatar
unknown committed
3435 3436

add_column:
3437
	ADD opt_column
3438 3439
	{
	  LEX *lex=Lex;
3440 3441
	  lex->change=0;
	  lex->alter_info.flags|= ALTER_ADD_COLUMN;
3442
	};
unknown's avatar
unknown committed
3443 3444

alter_list_item:
3445 3446 3447 3448
	add_column column_def opt_place { }
	| ADD key_def
	  {
	    Lex->alter_info.flags|= ALTER_ADD_INDEX;
3449
	  }
3450 3451 3452 3453
	| add_column '(' field_list ')'
          {
	    Lex->alter_info.flags|= ALTER_ADD_COLUMN | ALTER_ADD_INDEX;
          }
unknown's avatar
unknown committed
3454 3455 3456
	| CHANGE opt_column field_ident
	  {
	     LEX *lex=Lex;
3457
	     lex->change= $3.str;
3458
	     lex->alter_info.flags|= ALTER_CHANGE_COLUMN;
unknown's avatar
unknown committed
3459
	  }
3460
          field_spec opt_place
unknown's avatar
unknown committed
3461 3462 3463
        | MODIFY_SYM opt_column field_ident
          {
            LEX *lex=Lex;
3464
            lex->length=lex->dec=0; lex->type=0;
3465
            lex->default_value= lex->on_update_value= 0;
3466
            lex->comment=null_lex_str;
3467
	    lex->charset= NULL;
3468
	    lex->alter_info.flags|= ALTER_CHANGE_COLUMN;
unknown's avatar
unknown committed
3469 3470 3471 3472
          }
          type opt_attribute
          {
            LEX *lex=Lex;
unknown's avatar
unknown committed
3473
            if (add_field_to_list(lex->thd,$3.str,
unknown's avatar
unknown committed
3474 3475
                                  (enum enum_field_types) $5,
                                  lex->length,lex->dec,lex->type,
3476
                                  lex->default_value, lex->on_update_value,
3477
                                  &lex->comment,
3478
				  $3.str, &lex->interval_list, lex->charset,
unknown's avatar
unknown committed
3479
				  lex->uint_geom_type))
unknown's avatar
unknown committed
3480 3481 3482
	       YYABORT;
          }
          opt_place
unknown's avatar
unknown committed
3483
	| DROP opt_column field_ident opt_restrict
unknown's avatar
unknown committed
3484 3485
	  {
	    LEX *lex=Lex;
3486
	    lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::COLUMN,
3487
                                                               $3.str));
3488
	    lex->alter_info.flags|= ALTER_DROP_COLUMN;
unknown's avatar
unknown committed
3489
	  }
3490 3491 3492 3493
	| DROP FOREIGN KEY_SYM opt_ident
          {
	    Lex->alter_info.flags|= ALTER_DROP_INDEX;
          }
unknown's avatar
unknown committed
3494 3495 3496
	| DROP PRIMARY_SYM KEY_SYM
	  {
	    LEX *lex=Lex;
3497 3498 3499
	    lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
				               primary_key_name));
	    lex->alter_info.flags|= ALTER_DROP_INDEX;
unknown's avatar
unknown committed
3500
	  }
unknown's avatar
unknown committed
3501
	| DROP key_or_index field_ident
unknown's avatar
unknown committed
3502 3503
	  {
	    LEX *lex=Lex;
3504 3505 3506
	    lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
					                       $3.str));
	    lex->alter_info.flags|= ALTER_DROP_INDEX;
unknown's avatar
unknown committed
3507
	  }
3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519
	| DISABLE_SYM KEYS
          {
	    LEX *lex=Lex;
            lex->alter_info.keys_onoff= DISABLE;
	    lex->alter_info.flags|= ALTER_KEYS_ONOFF;
          }
	| ENABLE_SYM KEYS
          {
	    LEX *lex=Lex;
            lex->alter_info.keys_onoff= ENABLE;
	    lex->alter_info.flags|= ALTER_KEYS_ONOFF;
          }
unknown's avatar
unknown committed
3520
	| ALTER opt_column field_ident SET DEFAULT signed_literal
unknown's avatar
unknown committed
3521 3522
	  {
	    LEX *lex=Lex;
3523
	    lex->alter_info.alter_list.push_back(new Alter_column($3.str,$6));
3524
	    lex->alter_info.flags|= ALTER_CHANGE_COLUMN_DEFAULT;
unknown's avatar
unknown committed
3525
	  }
unknown's avatar
unknown committed
3526
	| ALTER opt_column field_ident DROP DEFAULT
unknown's avatar
unknown committed
3527 3528
	  {
	    LEX *lex=Lex;
3529 3530
	    lex->alter_info.alter_list.push_back(new Alter_column($3.str,
                                                                  (Item*) 0));
3531
	    lex->alter_info.flags|= ALTER_CHANGE_COLUMN_DEFAULT;
unknown's avatar
unknown committed
3532
	  }
3533
	| RENAME opt_to table_ident
3534
	  {
3535
	    LEX *lex=Lex;
3536
	    lex->select_lex.db=$3->db.str;
3537
	    lex->name= $3->table.str;
3538 3539 3540
            if (check_table_name($3->table.str,$3->table.length) ||
                $3->db.str && check_db_name($3->db.str))
            {
3541
              my_error(ER_WRONG_TABLE_NAME, MYF(0), $3->table.str);
3542 3543
              YYABORT;
            }
3544
	    lex->alter_info.flags|= ALTER_RENAME;
3545
	  }
3546 3547 3548 3549 3550 3551 3552 3553 3554 3555
	| CONVERT_SYM TO_SYM charset charset_name_or_default opt_collate
	  {
	    if (!$4)
	    {
	      THD *thd= YYTHD;
	      $4= thd->variables.collation_database;
	    }
	    $5= $5 ? $5 : $4;
	    if (!my_charset_same($4,$5))
	    {
3556 3557
	      my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                       $5->name, $4->csname);
3558 3559
	      YYABORT;
	    }
3560
	    LEX *lex= Lex;
3561
	    lex->create_info.table_charset=
unknown's avatar
unknown committed
3562 3563 3564
	      lex->create_info.default_table_charset= $5;
	    lex->create_info.used_fields|= (HA_CREATE_USED_CHARSET |
					    HA_CREATE_USED_DEFAULT_CHARSET);
3565
	    lex->alter_info.flags|= ALTER_CONVERT;
3566
	  }
3567
        | create_table_options_space_separated
3568 3569
	  {
	    LEX *lex=Lex;
3570
	    lex->alter_info.flags|= ALTER_OPTIONS;
3571
	  }
3572 3573 3574 3575
	| FORCE_SYM
	  {
	    Lex->alter_info.flags|= ALTER_FORCE;
	   }
3576
	| order_clause
3577 3578
	  {
	    LEX *lex=Lex;
3579
	    lex->alter_info.flags|= ALTER_ORDER;
3580
	  };
unknown's avatar
unknown committed
3581 3582 3583

opt_column:
	/* empty */	{}
unknown's avatar
unknown committed
3584
	| COLUMN_SYM	{};
unknown's avatar
unknown committed
3585 3586

opt_ignore:
3587 3588 3589
	/* empty */	{ Lex->ignore= 0;}
	| IGNORE_SYM	{ Lex->ignore= 1;}
	;
unknown's avatar
unknown committed
3590 3591

opt_restrict:
3592 3593 3594 3595
	/* empty */	{ Lex->drop_mode= DROP_DEFAULT; }
	| RESTRICT	{ Lex->drop_mode= DROP_RESTRICT; }
	| CASCADE	{ Lex->drop_mode= DROP_CASCADE; }
	;
unknown's avatar
unknown committed
3596 3597 3598 3599

opt_place:
	/* empty */	{}
	| AFTER_SYM ident { store_position_for_column($2.str); }
unknown's avatar
unknown committed
3600
	| FIRST_SYM	  { store_position_for_column(first_keyword); };
unknown's avatar
unknown committed
3601 3602 3603 3604

opt_to:
	/* empty */	{}
	| TO_SYM	{}
3605
	| EQ		{}
unknown's avatar
unknown committed
3606
	| AS		{};
unknown's avatar
unknown committed
3607

unknown's avatar
unknown committed
3608
/*
3609
  SLAVE START and SLAVE STOP are deprecated. We keep them for compatibility.
unknown's avatar
unknown committed
3610 3611
*/

unknown's avatar
unknown committed
3612
slave:
3613
	  START_SYM SLAVE slave_thread_opts
3614 3615 3616 3617 3618 3619
          {
	    LEX *lex=Lex;
            lex->sql_command = SQLCOM_SLAVE_START;
	    lex->type = 0;
	    /* We'll use mi structure for UNTIL options */
	    bzero((char*) &lex->mi, sizeof(lex->mi));
unknown's avatar
unknown committed
3620
            /* If you change this code don't forget to update SLAVE START too */
3621 3622 3623
          }
          slave_until
          {}
unknown's avatar
unknown committed
3624 3625 3626 3627 3628
        | STOP_SYM SLAVE slave_thread_opts
          {
	    LEX *lex=Lex;
            lex->sql_command = SQLCOM_SLAVE_STOP;
	    lex->type = 0;
unknown's avatar
unknown committed
3629
            /* If you change this code don't forget to update SLAVE STOP too */
unknown's avatar
unknown committed
3630
          }
3631 3632 3633 3634 3635
	| SLAVE START_SYM slave_thread_opts
         {
	   LEX *lex=Lex;
           lex->sql_command = SQLCOM_SLAVE_START;
	   lex->type = 0;
3636 3637 3638 3639 3640
	    /* We'll use mi structure for UNTIL options */
	    bzero((char*) &lex->mi, sizeof(lex->mi));
          }
          slave_until
          {}
3641 3642 3643 3644 3645 3646 3647 3648
	| SLAVE STOP_SYM slave_thread_opts
         {
	   LEX *lex=Lex;
           lex->sql_command = SQLCOM_SLAVE_STOP;
	   lex->type = 0;
         }
        ;

unknown's avatar
unknown committed
3649

unknown's avatar
unknown committed
3650
start:
3651 3652
	START_SYM TRANSACTION_SYM start_transaction_opts
        {
3653 3654 3655
          LEX *lex= Lex;
          lex->sql_command= SQLCOM_BEGIN;
          lex->start_transaction_opt= $3;
3656
        }
unknown's avatar
unknown committed
3657 3658
	;

3659 3660 3661 3662 3663 3664
start_transaction_opts:
        /*empty*/ { $$ = 0; }
        | WITH CONSISTENT_SYM SNAPSHOT_SYM
        {
           $$= MYSQL_START_TRANS_OPT_WITH_CONS_SNAPSHOT;
        }
3665
        ;
3666

unknown's avatar
unknown committed
3667
slave_thread_opts:
3668 3669
	{ Lex->slave_thd_opt= 0; }
	slave_thread_opt_list
3670
        {}
unknown's avatar
unknown committed
3671
	;
3672 3673

slave_thread_opt_list:
unknown's avatar
unknown committed
3674
	slave_thread_opt
3675 3676
	| slave_thread_opt_list ',' slave_thread_opt
	;
3677 3678

slave_thread_opt:
3679
	/*empty*/	{}
unknown's avatar
unknown committed
3680
	| SQL_THREAD	{ Lex->slave_thd_opt|=SLAVE_SQL; }
unknown's avatar
unknown committed
3681
	| RELAY_THREAD 	{ Lex->slave_thd_opt|=SLAVE_IO; }
unknown's avatar
unknown committed
3682
	;
3683

3684 3685 3686 3687 3688 3689 3690 3691 3692 3693
slave_until:
	/*empty*/	{}
	| UNTIL_SYM slave_until_opts
          {
            LEX *lex=Lex;
            if ((lex->mi.log_file_name || lex->mi.pos) &&
                (lex->mi.relay_log_name || lex->mi.relay_log_pos) ||
                !((lex->mi.log_file_name && lex->mi.pos) ||
                  (lex->mi.relay_log_name && lex->mi.relay_log_pos)))
            {
unknown's avatar
unknown committed
3694 3695
               my_message(ER_BAD_SLAVE_UNTIL_COND,
                          ER(ER_BAD_SLAVE_UNTIL_COND), MYF(0));
3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706
               YYABORT;
            }

          }
	;

slave_until_opts:
       master_file_def
       | slave_until_opts ',' master_file_def ;


unknown's avatar
unknown committed
3707 3708 3709 3710 3711
restore:
	RESTORE_SYM table_or_tables
	{
	   Lex->sql_command = SQLCOM_RESTORE_TABLE;
	}
unknown's avatar
unknown committed
3712
	table_list FROM TEXT_STRING_sys
unknown's avatar
unknown committed
3713 3714
        {
	  Lex->backup_dir = $6.str;
unknown's avatar
unknown committed
3715
        };
unknown's avatar
unknown committed
3716

unknown's avatar
unknown committed
3717 3718 3719 3720 3721
backup:
	BACKUP_SYM table_or_tables
	{
	   Lex->sql_command = SQLCOM_BACKUP_TABLE;
	}
unknown's avatar
unknown committed
3722
	table_list TO_SYM TEXT_STRING_sys
unknown's avatar
unknown committed
3723 3724
        {
	  Lex->backup_dir = $6.str;
unknown's avatar
unknown committed
3725
        };
unknown's avatar
unknown committed
3726

3727 3728 3729 3730 3731 3732
checksum:
        CHECKSUM_SYM table_or_tables
	{
	   LEX *lex=Lex;
	   lex->sql_command = SQLCOM_CHECKSUM;
	}
3733 3734
	table_list opt_checksum_type
        {}
3735 3736
	;

3737 3738 3739 3740 3741 3742
opt_checksum_type:
        /* nothing */  { Lex->check_opt.flags= 0; }
	| QUICK        { Lex->check_opt.flags= T_QUICK; }
	| EXTENDED_SYM { Lex->check_opt.flags= T_EXTEND; }
        ;

unknown's avatar
unknown committed
3743
repair:
3744
	REPAIR opt_no_write_to_binlog table_or_tables
unknown's avatar
unknown committed
3745
	{
unknown's avatar
unknown committed
3746 3747
	   LEX *lex=Lex;
	   lex->sql_command = SQLCOM_REPAIR;
3748
           lex->no_write_to_binlog= $2;
unknown's avatar
unknown committed
3749
	   lex->check_opt.init();
unknown's avatar
unknown committed
3750
	}
3751 3752 3753
	table_list opt_mi_repair_type
	{}
	;
unknown's avatar
unknown committed
3754

unknown's avatar
unknown committed
3755
opt_mi_repair_type:
unknown's avatar
unknown committed
3756
	/* empty */ { Lex->check_opt.flags = T_MEDIUM; }
unknown's avatar
unknown committed
3757
	| mi_repair_types {};
unknown's avatar
unknown committed
3758

unknown's avatar
unknown committed
3759 3760
mi_repair_types:
	mi_repair_type {}
unknown's avatar
unknown committed
3761
	| mi_repair_type mi_repair_types {};
3762

unknown's avatar
unknown committed
3763
mi_repair_type:
unknown's avatar
unknown committed
3764
	QUICK          { Lex->check_opt.flags|= T_QUICK; }
3765
	| EXTENDED_SYM { Lex->check_opt.flags|= T_EXTEND; }
unknown's avatar
unknown committed
3766
        | USE_FRM      { Lex->check_opt.sql_flags|= TT_USEFRM; };
unknown's avatar
unknown committed
3767 3768

analyze:
3769
	ANALYZE_SYM opt_no_write_to_binlog table_or_tables
unknown's avatar
unknown committed
3770
	{
unknown's avatar
unknown committed
3771 3772
	   LEX *lex=Lex;
	   lex->sql_command = SQLCOM_ANALYZE;
3773
           lex->no_write_to_binlog= $2;
unknown's avatar
unknown committed
3774
	   lex->check_opt.init();
unknown's avatar
unknown committed
3775
	}
3776 3777 3778
	table_list opt_mi_check_type
	{}
	;
unknown's avatar
unknown committed
3779 3780

check:
unknown's avatar
unknown committed
3781
	CHECK_SYM table_or_tables
unknown's avatar
unknown committed
3782
	{
3783 3784 3785 3786 3787 3788 3789 3790 3791
	  LEX *lex=Lex;

	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "CHECK");
	    YYABORT;
	  }
	  lex->sql_command = SQLCOM_CHECK;
	  lex->check_opt.init();
unknown's avatar
unknown committed
3792
	}
3793 3794 3795
	table_list opt_mi_check_type
	{}
	;
unknown's avatar
unknown committed
3796

unknown's avatar
unknown committed
3797 3798
opt_mi_check_type:
	/* empty */ { Lex->check_opt.flags = T_MEDIUM; }
unknown's avatar
unknown committed
3799
	| mi_check_types {};
unknown's avatar
unknown committed
3800 3801 3802

mi_check_types:
	mi_check_type {}
unknown's avatar
unknown committed
3803
	| mi_check_type mi_check_types {};
unknown's avatar
unknown committed
3804 3805 3806 3807 3808 3809

mi_check_type:
	QUICK      { Lex->check_opt.flags|= T_QUICK; }
	| FAST_SYM { Lex->check_opt.flags|= T_FAST; }
	| MEDIUM_SYM { Lex->check_opt.flags|= T_MEDIUM; }
	| EXTENDED_SYM { Lex->check_opt.flags|= T_EXTEND; }
unknown's avatar
unknown committed
3810
	| CHANGED  { Lex->check_opt.flags|= T_CHECK_ONLY_CHANGED; };
unknown's avatar
unknown committed
3811

unknown's avatar
unknown committed
3812
optimize:
3813
	OPTIMIZE opt_no_write_to_binlog table_or_tables
unknown's avatar
unknown committed
3814
	{
unknown's avatar
unknown committed
3815 3816
	   LEX *lex=Lex;
	   lex->sql_command = SQLCOM_OPTIMIZE;
unknown's avatar
unknown committed
3817
           lex->no_write_to_binlog= $2;
unknown's avatar
unknown committed
3818
	   lex->check_opt.init();
unknown's avatar
unknown committed
3819
	}
3820 3821 3822
	table_list opt_mi_check_type
	{}
	;
unknown's avatar
unknown committed
3823

3824 3825 3826
opt_no_write_to_binlog:
	/* empty */        { $$= 0; }
	| NO_WRITE_TO_BINLOG  { $$= 1; }
3827
	| LOCAL_SYM  { $$= 1; }
3828 3829
	;

3830 3831 3832
rename:
	RENAME table_or_tables
	{
3833
          Lex->sql_command= SQLCOM_RENAME_TABLE;
3834
	}
3835 3836
	table_to_table_list
	{}
3837 3838 3839 3840
	| RENAME USER clear_privileges rename_list
          {
	    Lex->sql_command = SQLCOM_RENAME_USER;
          }
3841
	;
3842

3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855
rename_list:
        user TO_SYM user
        {
          if (Lex->users_list.push_back($1) || Lex->users_list.push_back($3))
            YYABORT;
        }
        | rename_list ',' user TO_SYM user
          {
            if (Lex->users_list.push_back($3) || Lex->users_list.push_back($5))
              YYABORT;
          }
        ;

3856 3857
table_to_table_list:
	table_to_table
unknown's avatar
unknown committed
3858
	| table_to_table_list ',' table_to_table;
3859 3860 3861

table_to_table:
	table_ident TO_SYM table_ident
3862
	{
unknown's avatar
unknown committed
3863
	  LEX *lex=Lex;
unknown's avatar
unknown committed
3864
	  SELECT_LEX *sl= lex->current_select;
unknown's avatar
unknown committed
3865 3866 3867 3868
	  if (!sl->add_table_to_list(lex->thd, $1,NULL,TL_OPTION_UPDATING,
				     TL_IGNORE) ||
	      !sl->add_table_to_list(lex->thd, $3,NULL,TL_OPTION_UPDATING,
				     TL_IGNORE))
3869
	    YYABORT;
3870
	};
3871

unknown's avatar
unknown committed
3872
keycache:
unknown's avatar
unknown committed
3873
        CACHE_SYM INDEX_SYM keycache_list IN_SYM key_cache_name
unknown's avatar
unknown committed
3874 3875
        {
          LEX *lex=Lex;
3876
          lex->sql_command= SQLCOM_ASSIGN_TO_KEYCACHE;
3877
	  lex->ident= $5;
unknown's avatar
unknown committed
3878 3879 3880 3881 3882 3883 3884 3885
        }
        ;

keycache_list:
        assign_to_keycache
        | keycache_list ',' assign_to_keycache;

assign_to_keycache:
3886
        table_ident cache_keys_spec
unknown's avatar
unknown committed
3887 3888 3889 3890 3891 3892
        {
          LEX *lex=Lex;
          SELECT_LEX *sel= &lex->select_lex;
          if (!sel->add_table_to_list(lex->thd, $1, NULL, 0,
                                      TL_READ,
                                      sel->get_use_index(),
3893
                                      (List<String> *)0))
unknown's avatar
unknown committed
3894 3895 3896 3897
            YYABORT;
        }
        ;

3898 3899 3900
key_cache_name:
	ident	   { $$= $1; }
	| DEFAULT  { $$ = default_key_cache_base; }
3901
	;
3902

unknown's avatar
unknown committed
3903
preload:
unknown's avatar
unknown committed
3904
	LOAD INDEX_SYM INTO CACHE_SYM
unknown's avatar
unknown committed
3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917
	{
	  LEX *lex=Lex;
	  lex->sql_command=SQLCOM_PRELOAD_KEYS;
	}
	preload_list
	{}
	;

preload_list:
	preload_keys
	| preload_list ',' preload_keys;

preload_keys:
unknown's avatar
unknown committed
3918
	table_ident cache_keys_spec opt_ignore_leaves
unknown's avatar
unknown committed
3919 3920 3921
	{
	  LEX *lex=Lex;
	  SELECT_LEX *sel= &lex->select_lex;
unknown's avatar
unknown committed
3922 3923
	  if (!sel->add_table_to_list(lex->thd, $1, NULL, $3,
                                      TL_READ,
unknown's avatar
unknown committed
3924 3925 3926 3927 3928 3929
                                      sel->get_use_index(),
                                      (List<String> *)0))
            YYABORT;
	}
	;

3930
cache_keys_spec:
3931
        { Select->interval_list.empty(); }
3932 3933 3934 3935 3936 3937 3938
        cache_key_list_or_empty
        {
          LEX *lex=Lex;
          SELECT_LEX *sel= &lex->select_lex;
          sel->use_index= sel->interval_list;
        }
        ;
unknown's avatar
unknown committed
3939

unknown's avatar
unknown committed
3940
cache_key_list_or_empty:
3941
	/* empty */	{ Lex->select_lex.use_index_ptr= 0; }
3942
	| opt_key_or_index '(' key_usage_list2 ')'
3943 3944 3945 3946
	  {
            SELECT_LEX *sel= &Lex->select_lex;
	    sel->use_index_ptr= &sel->use_index;
	  }
unknown's avatar
unknown committed
3947 3948
	;

unknown's avatar
unknown committed
3949
opt_ignore_leaves:
unknown's avatar
unknown committed
3950 3951 3952 3953 3954
	/* empty */
	{ $$= 0; }
	| IGNORE_SYM LEAVES { $$= TL_OPTION_IGNORE_LEAVES; }
	;

unknown's avatar
unknown committed
3955
/*
unknown's avatar
unknown committed
3956
  Select : retrieve data from table
unknown's avatar
unknown committed
3957 3958 3959 3960
*/


select:
3961 3962 3963 3964
	select_init
	{
	  LEX *lex= Lex;
	  lex->sql_command= SQLCOM_SELECT;
unknown's avatar
unknown committed
3965 3966
	}
	;
unknown's avatar
unknown committed
3967

3968
/* Need select_init2 for subselects. */
unknown's avatar
unknown committed
3969
select_init:
3970
	SELECT_SYM select_init2
3971
	|
unknown's avatar
unknown committed
3972 3973 3974 3975
	'(' select_paren ')' union_opt;

select_paren:
	SELECT_SYM select_part2
3976
	  {
3977
	    LEX *lex= Lex;
unknown's avatar
unknown committed
3978
            SELECT_LEX * sel= lex->current_select;
unknown's avatar
unknown committed
3979
	    if (sel->set_braces(1))
3980
	    {
3981
	      yyerror(ER(ER_SYNTAX_ERROR));
3982 3983
	      YYABORT;
	    }
3984 3985
	  if (sel->linkage == UNION_TYPE &&
	      !sel->master_unit()->first_select()->braces)
unknown's avatar
unknown committed
3986
	  {
3987
	    yyerror(ER(ER_SYNTAX_ERROR));
unknown's avatar
unknown committed
3988 3989
	    YYABORT;
	  }
3990
            /* select in braces, can't contain global parameters */
unknown's avatar
unknown committed
3991 3992 3993
	    if (sel->master_unit()->fake_select_lex)
              sel->master_unit()->global_parameters=
                 sel->master_unit()->fake_select_lex;
unknown's avatar
unknown committed
3994 3995
          }
	| '(' select_paren ')';
3996

3997 3998
select_init2:
	select_part2
3999
        {
4000
	  LEX *lex= Lex;
unknown's avatar
unknown committed
4001
          SELECT_LEX * sel= lex->current_select;
unknown's avatar
unknown committed
4002
          if (lex->current_select->set_braces(0))
4003
	  {
4004
	    yyerror(ER(ER_SYNTAX_ERROR));
4005 4006
	    YYABORT;
	  }
4007 4008
	  if (sel->linkage == UNION_TYPE &&
	      sel->master_unit()->first_select()->braces)
unknown's avatar
unknown committed
4009
	  {
4010
	    yyerror(ER(ER_SYNTAX_ERROR));
unknown's avatar
unknown committed
4011 4012
	    YYABORT;
	  }
4013
	}
4014
	union_clause
4015 4016
	;

4017
select_part2:
unknown's avatar
unknown committed
4018
	{
unknown's avatar
unknown committed
4019 4020
	  LEX *lex= Lex;
	  SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
4021 4022
	  if (sel->linkage != UNION_TYPE)
	    mysql_init_select(lex);
4023
	  lex->current_select->parsing_place= SELECT_LIST;
unknown's avatar
unknown committed
4024 4025 4026
	}
	select_options select_item_list
	{
4027
	  Select->parsing_place= NO_MATTER;
unknown's avatar
unknown committed
4028
	}
unknown's avatar
unknown committed
4029
	select_into select_lock_type;
4030

unknown's avatar
unknown committed
4031
select_into:
unknown's avatar
unknown committed
4032
	opt_order_clause opt_limit_clause {}
4033
        | into
unknown's avatar
unknown committed
4034
	| select_from
4035 4036
	| into select_from
	| select_from into;
unknown's avatar
unknown committed
4037 4038

select_from:
4039 4040
	  FROM join_table_list where_clause group_clause having_clause
	       opt_order_clause opt_limit_clause procedure_clause
unknown's avatar
unknown committed
4041
        | FROM DUAL_SYM where_clause opt_limit_clause
unknown's avatar
unknown committed
4042 4043 4044 4045
          /* oracle compatibility: oracle always requires FROM clause,
             and DUAL is system table without fields.
             Is "SELECT 1 FROM DUAL" any better than "SELECT 1" ?
          Hmmm :) */
4046
	;
unknown's avatar
unknown committed
4047 4048 4049

select_options:
	/* empty*/
unknown's avatar
unknown committed
4050 4051 4052 4053
	| select_option_list
	  {
	    if (test_all_bits(Select->options, SELECT_ALL | SELECT_DISTINCT))
	    {
unknown's avatar
unknown committed
4054
	      my_error(ER_WRONG_USAGE, MYF(0), "ALL", "DISTINCT");
unknown's avatar
unknown committed
4055 4056 4057
              YYABORT;
	    }
          }
unknown's avatar
unknown committed
4058
	  ;
unknown's avatar
unknown committed
4059 4060 4061

select_option_list:
	select_option_list select_option
unknown's avatar
unknown committed
4062
	| select_option;
unknown's avatar
unknown committed
4063 4064

select_option:
4065
	STRAIGHT_JOIN { Select->options|= SELECT_STRAIGHT_JOIN; }
4066 4067 4068 4069 4070 4071
	| HIGH_PRIORITY
	  {
	    if (check_simple_select())
	      YYABORT;
	    Lex->lock_option= TL_READ_HIGH_PRIORITY;
	  }
unknown's avatar
unknown committed
4072
	| DISTINCT         { Select->options|= SELECT_DISTINCT; }
4073 4074
	| SQL_SMALL_RESULT { Select->options|= SELECT_SMALL_RESULT; }
	| SQL_BIG_RESULT { Select->options|= SELECT_BIG_RESULT; }
4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086
	| SQL_BUFFER_RESULT
	  {
	    if (check_simple_select())
	      YYABORT;
	    Select->options|= OPTION_BUFFER_RESULT;
	  }
	| SQL_CALC_FOUND_ROWS
	  {
	    if (check_simple_select())
	      YYABORT;
	    Select->options|= OPTION_FOUND_ROWS;
	  }
4087
	| SQL_NO_CACHE_SYM { Lex->safe_to_cache_query=0; }
4088 4089 4090 4091
	| SQL_CACHE_SYM
	  {
	    Lex->select_lex.options|= OPTION_TO_QUERY_CACHE;
	  }
unknown's avatar
unknown committed
4092
	| ALL		    { Select->options|= SELECT_ALL; }
4093
	;
unknown's avatar
unknown committed
4094

unknown's avatar
unknown committed
4095 4096 4097
select_lock_type:
	/* empty */
	| FOR_SYM UPDATE_SYM
4098 4099
	  {
	    LEX *lex=Lex;
4100
	    lex->current_select->set_lock_for_tables(TL_WRITE);
4101
	    lex->safe_to_cache_query=0;
4102
	  }
unknown's avatar
unknown committed
4103
	| LOCK_SYM IN_SYM SHARE_SYM MODE_SYM
4104 4105
	  {
	    LEX *lex=Lex;
4106 4107
	    lex->current_select->
	      set_lock_for_tables(TL_READ_WITH_SHARED_LOCKS);
4108
	    lex->safe_to_cache_query=0;
4109 4110
	  }
	;
unknown's avatar
unknown committed
4111

unknown's avatar
unknown committed
4112 4113 4114 4115 4116
select_item_list:
	  select_item_list ',' select_item
	| select_item
	| '*'
	  {
4117
	    THD *thd= YYTHD;
4118 4119 4120 4121
	    if (add_item_to_list(thd,
                                 new Item_field(&thd->lex->current_select->
                                                context,
                                                NULL, NULL, "*")))
unknown's avatar
unknown committed
4122
	      YYABORT;
4123
	    (thd->lex->current_select->with_wild)++;
unknown's avatar
unknown committed
4124
	  };
unknown's avatar
unknown committed
4125 4126 4127 4128 4129


select_item:
	  remember_name select_item2 remember_end select_alias
	  {
unknown's avatar
unknown committed
4130
	    if (add_item_to_list(YYTHD, $2))
unknown's avatar
unknown committed
4131 4132
	      YYABORT;
	    if ($4.str)
4133 4134 4135 4136
            {
	      $2->set_name($4.str, $4.length, system_charset_info);
              $2->is_autogenerated_name= FALSE;
            }
4137 4138 4139 4140 4141 4142
	    else if (!$2->name) {
	      char *str = $1;
	      if (str[-1] == '`')
	        str--;
	      $2->set_name(str,(uint) ($3 - str), YYTHD->charset());
	    }
unknown's avatar
unknown committed
4143
	  };
unknown's avatar
unknown committed
4144 4145

remember_name:
unknown's avatar
unknown committed
4146
	{ $$=(char*) Lex->tok_start; };
unknown's avatar
unknown committed
4147 4148

remember_end:
unknown's avatar
unknown committed
4149
	{ $$=(char*) Lex->tok_end; };
unknown's avatar
unknown committed
4150 4151 4152

select_item2:
	table_wild	{ $$=$1; } /* table.* */
unknown's avatar
unknown committed
4153
	| expr		{ $$=$1; };
unknown's avatar
unknown committed
4154 4155

select_alias:
4156
	/* empty */		{ $$=null_lex_str;}
unknown's avatar
unknown committed
4157 4158 4159 4160 4161
	| AS ident		{ $$=$2; }
	| AS TEXT_STRING_sys	{ $$=$2; }
	| ident			{ $$=$1; }
	| TEXT_STRING_sys	{ $$=$1; }
	;
unknown's avatar
unknown committed
4162 4163 4164

optional_braces:
	/* empty */ {}
unknown's avatar
unknown committed
4165
	| '(' ')' {};
unknown's avatar
unknown committed
4166

unknown's avatar
unknown committed
4167
/* all possible expressions */
unknown's avatar
SCRUM  
unknown committed
4168
expr:	
unknown's avatar
unknown committed
4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190
	  bool_term { Select->expr_list.push_front(new List<Item>); }
          bool_or_expr
          {
            List<Item> *list= Select->expr_list.pop();
            if (list->elements)
            {
              list->push_front($1);
              $$= new Item_cond_or(*list);
              /* optimize construction of logical OR to reduce
                 amount of objects for complex expressions */
            }
            else
              $$= $1;
            delete list;
          }
	;

bool_or_expr:
	/* empty */
        | bool_or_expr or bool_term
          { Select->expr_list.head()->push_back($3); }
        ;
4191 4192

bool_term:
unknown's avatar
unknown committed
4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215
	bool_term XOR bool_term { $$= new Item_cond_xor($1,$3); }
	| bool_factor { Select->expr_list.push_front(new List<Item>); }
          bool_and_expr
          {
            List<Item> *list= Select->expr_list.pop();
            if (list->elements)
            {
              list->push_front($1);
              $$= new Item_cond_and(*list);
              /* optimize construction of logical AND to reduce
                 amount of objects for complex expressions */
            }
            else
              $$= $1;
            delete list;
          }
	;

bool_and_expr:
	/* empty */
        | bool_and_expr and bool_factor
          { Select->expr_list.head()->push_back($3); }
        ;
4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232

bool_factor:
	NOT_SYM bool_factor	{ $$= negate_expression(YYTHD, $2); }
	| bool_test ;

bool_test:
	bool_pri IS TRUE_SYM	{ $$= is_truth_value($1,1,0); }
	| bool_pri IS not TRUE_SYM { $$= is_truth_value($1,0,0); }
	| bool_pri IS FALSE_SYM	{ $$= is_truth_value($1,0,1); }
	| bool_pri IS not FALSE_SYM { $$= is_truth_value($1,1,1); }
	| bool_pri IS UNKNOWN_SYM { $$= new Item_func_isnull($1); }
	| bool_pri IS not UNKNOWN_SYM { $$= new Item_func_isnotnull($1); }
	| bool_pri ;

bool_pri:
	bool_pri IS NULL_SYM	{ $$= new Item_func_isnull($1); }
	| bool_pri IS not NULL_SYM { $$= new Item_func_isnotnull($1); }
4233 4234 4235 4236 4237
	| bool_pri EQUAL_SYM predicate	{ $$= new Item_func_equal($1,$3); }
	| bool_pri comp_op predicate %prec EQ
	  { $$= (*$2)(0)->create($1,$3); }
	| bool_pri comp_op all_or_any in_subselect %prec EQ
	  { $$= all_any_subquery_creator($1, $2, $3, $4); }
4238 4239 4240 4241
	| predicate ;

predicate:
	 bit_expr IN_SYM '(' expr_list ')'
unknown's avatar
unknown committed
4242 4243 4244 4245 4246 4247 4248 4249 4250
	  { 
            if ($4->elements == 1)
              $$= new Item_func_eq($1, $4->head());
            else
            {
              $4->push_front($1);
              $$= new Item_func_in(*$4);
            }
          }
4251
	| bit_expr not IN_SYM '(' expr_list ')'
unknown's avatar
unknown committed
4252 4253 4254 4255 4256 4257
          {
            if ($5->elements == 1)
              $$= new Item_func_ne($1, $5->head());
            else
            {
              $5->push_front($1);
4258 4259 4260
              Item_func_in *item = new Item_func_in(*$5);
              item->negate();
              $$= item;
unknown's avatar
unknown committed
4261 4262
            }            
          }
4263 4264 4265
        | bit_expr IN_SYM in_subselect
	  { $$= new Item_in_subselect($1, $3); }
	| bit_expr not IN_SYM in_subselect
4266
          { $$= negate_expression(YYTHD, new Item_in_subselect($1, $4)); }
4267 4268 4269
	| bit_expr BETWEEN_SYM bit_expr AND_SYM predicate
	  { $$= new Item_func_between($1,$3,$5); }
	| bit_expr not BETWEEN_SYM bit_expr AND_SYM predicate
4270 4271 4272 4273 4274
    {
      Item_func_between *item= new Item_func_between($1,$4,$6);
      item->negate();
      $$= item;
    }
4275 4276 4277 4278
	| bit_expr SOUNDS_SYM LIKE bit_expr
	  { $$= new Item_func_eq(new Item_func_soundex($1),
				 new Item_func_soundex($4)); }
	| bit_expr LIKE simple_expr opt_escape
4279
          { $$= new Item_func_like($1,$3,$4,Lex->escape_used); }
4280
	| bit_expr not LIKE simple_expr opt_escape
4281
          { $$= new Item_func_not(new Item_func_like($1,$4,$5, Lex->escape_used)); }
4282 4283
	| bit_expr REGEXP bit_expr	{ $$= new Item_func_regex($1,$3); }
	| bit_expr not REGEXP bit_expr
4284
          { $$= negate_expression(YYTHD, new Item_func_regex($1,$4)); }
4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326
	| bit_expr ;

bit_expr:
	bit_expr '|' bit_term	{ $$= new Item_func_bit_or($1,$3); }
	| bit_term ;

bit_term:
	bit_term '&' bit_factor	{ $$= new Item_func_bit_and($1,$3); }
	| bit_factor ;

bit_factor:
	bit_factor SHIFT_LEFT value_expr
	  { $$= new Item_func_shift_left($1,$3); }
	| bit_factor SHIFT_RIGHT value_expr 
	  { $$= new Item_func_shift_right($1,$3); }
	| value_expr ;

value_expr:
	value_expr '+' term	{ $$= new Item_func_plus($1,$3); }
	| value_expr '-' term	{ $$= new Item_func_minus($1,$3); }
	| value_expr '+' interval_expr interval
	  { $$= new Item_date_add_interval($1,$3,$4,0); }
	| value_expr '-' interval_expr interval
	  { $$= new Item_date_add_interval($1,$3,$4,1); }
	| term ;

term:
	term '*' factor		{ $$= new Item_func_mul($1,$3); }
	| term '/' factor	{ $$= new Item_func_div($1,$3); }
	| term '%' factor	{ $$= new Item_func_mod($1,$3); }
	| term DIV_SYM factor	{ $$= new Item_func_int_div($1,$3); }
	| term MOD_SYM factor	{ $$= new Item_func_mod($1,$3); }
	| factor ;

factor:
        factor '^' simple_expr	{ $$= new Item_func_bit_xor($1,$3); }
	| simple_expr ;

or:	OR_SYM | OR2_SYM;
and:	AND_SYM | AND_AND_SYM;
not:	NOT_SYM | NOT2_SYM;
not2:	'!' | NOT2_SYM;
unknown's avatar
unknown committed
4327

unknown's avatar
unknown committed
4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339
comp_op:  EQ		{ $$ = &comp_eq_creator; }
	| GE		{ $$ = &comp_ge_creator; }
	| GT_SYM	{ $$ = &comp_gt_creator; }
	| LE		{ $$ = &comp_le_creator; }
	| LT		{ $$ = &comp_lt_creator; }
	| NE		{ $$ = &comp_ne_creator; }
	;

all_or_any: ALL     { $$ = 1; }
        |   ANY_SYM { $$ = 0; }
        ;

4340
interval_expr:
unknown's avatar
unknown committed
4341
         INTERVAL_SYM expr { $$=$2; }
4342 4343
        ;

unknown's avatar
unknown committed
4344 4345
simple_expr:
	simple_ident
4346
 	| simple_expr COLLATE_SYM ident_or_text %prec NEG
unknown's avatar
unknown committed
4347
	  {
unknown's avatar
unknown committed
4348 4349 4350
	    $$= new Item_func_set_collation($1,
					    new Item_string($3.str,
							    $3.length,
4351
                                                            YYTHD->charset()));
4352
	  }
unknown's avatar
unknown committed
4353
	| literal
unknown's avatar
unknown committed
4354
	| param_marker
unknown's avatar
unknown committed
4355
	| '@' ident_or_text SET_VAR expr
unknown's avatar
unknown committed
4356 4357
	  {
	    $$= new Item_func_set_user_var($2,$4);
4358 4359 4360
	    LEX *lex= Lex;
	    lex->uncacheable(UNCACHEABLE_RAND);
	    lex->variables_used= 1;
unknown's avatar
unknown committed
4361
	  }
4362
	| '@' ident_or_text
unknown's avatar
unknown committed
4363 4364
	  {
	    $$= new Item_func_get_user_var($2);
4365 4366 4367
	    LEX *lex= Lex;
	    lex->uncacheable(UNCACHEABLE_RAND);
	    lex->variables_used= 1;
unknown's avatar
unknown committed
4368
	  }
4369
	| '@' '@' opt_var_ident_type ident_or_text opt_component
unknown's avatar
unknown committed
4370
	  {
4371 4372 4373 4374 4375 4376

            if ($4.str && $5.str && check_reserved_words(&$4))
            {
              yyerror(ER(ER_SYNTAX_ERROR));
              YYABORT;
            }
4377
	    if (!($$= get_system_var(YYTHD, $3, $4, $5)))
unknown's avatar
unknown committed
4378
	      YYABORT;
4379
	    Lex->variables_used= 1;
unknown's avatar
unknown committed
4380
	  }
unknown's avatar
unknown committed
4381
	| sum_expr
4382 4383 4384 4385 4386 4387
	| simple_expr OR_OR_SYM simple_expr
	  { $$= new Item_func_concat($1, $3); }
	| '+' simple_expr %prec NEG	{ $$= $2; }
	| '-' simple_expr %prec NEG	{ $$= new Item_func_neg($2); }
	| '~' simple_expr %prec NEG	{ $$= new Item_func_bit_neg($2); }
	| not2 simple_expr %prec NEG	{ $$= negate_expression(YYTHD, $2); }
unknown's avatar
unknown committed
4388
	| '(' expr ')'		{ $$= $2; }
4389 4390 4391 4392 4393
	| '(' expr ',' expr_list ')'
	  {
	    $4->push_front($2);
	    $$= new Item_row(*$4);
	  }
4394
	| ROW_SYM '(' expr ',' expr_list ')'
unknown's avatar
unknown committed
4395
	  {
4396 4397
	    $5->push_front($3);
	    $$= new Item_row(*$5);
unknown's avatar
unknown committed
4398
	  }
unknown's avatar
unknown committed
4399
	| EXISTS exists_subselect { $$= $2; }
unknown's avatar
unknown committed
4400
	| singlerow_subselect   { $$= $1; }
unknown's avatar
unknown committed
4401
	| '{' ident expr '}'	{ $$= $3; }
4402
        | MATCH ident_list_arg AGAINST '(' bit_expr fulltext_options ')'
4403
          { $2->push_front($5);
4404 4405
            Select->add_ftfunc_to_list((Item_func_match*)
                                        ($$=new Item_func_match(*$2,$6))); }
unknown's avatar
unknown committed
4406
	| ASCII_SYM '(' expr ')' { $$= new Item_func_ascii($3); }
4407
	| BINARY simple_expr %prec NEG
unknown's avatar
unknown committed
4408
	  {
unknown's avatar
unknown committed
4409
            $$= create_func_cast($2, ITEM_CAST_CHAR, -1, 0, &my_charset_bin);
unknown's avatar
unknown committed
4410
	  }
4411
	| CAST_SYM '(' expr AS cast_type ')'
4412
	  {
unknown's avatar
unknown committed
4413
            LEX *lex= Lex;
4414
	    $$= create_func_cast($3, $5,
unknown's avatar
unknown committed
4415 4416 4417
                                 lex->length ? atoi(lex->length) : -1,
                                 lex->dec ? atoi(lex->dec) : 0,
                                 lex->charset);
4418
	  }
unknown's avatar
unknown committed
4419
	| CASE_SYM opt_expr WHEN_SYM when_list opt_else END
4420
	  { $$= new Item_func_case(* $4, $2, $5 ); }
4421
	| CONVERT_SYM '(' expr ',' cast_type ')'
4422 4423 4424
	  {
	    $$= create_func_cast($3, $5,
				 Lex->length ? atoi(Lex->length) : -1,
unknown's avatar
unknown committed
4425
                                 Lex->dec ? atoi(Lex->dec) : 0,
4426 4427
				 Lex->charset);
	  }
4428 4429
	| CONVERT_SYM '(' expr USING charset_name ')'
	  { $$= new Item_func_conv_charset($3,$5); }
unknown's avatar
SCRUM  
unknown committed
4430
	| DEFAULT '(' simple_ident ')'
4431 4432 4433 4434 4435
	  {
	    if ($3->is_splocal())
	    {
	      Item_splocal *il= static_cast<Item_splocal *>($3);

4436
	      my_error(ER_WRONG_COLUMN_NAME, MYF(0), il->my_name()->str);
4437 4438
	      YYABORT;
	    }
unknown's avatar
unknown committed
4439
	    $$= new Item_default_value(Lex->current_context(), $3);
4440
	  }
4441
	| VALUES '(' simple_ident_nospvar ')'
unknown's avatar
unknown committed
4442
	  { $$= new Item_insert_value(Lex->current_context(), $3); }
unknown's avatar
unknown committed
4443
	| FUNC_ARG0 '(' ')'
unknown's avatar
unknown committed
4444 4445 4446
	  {
	    if (!$1.symbol->create_func)
	    {
4447 4448 4449
              my_error(ER_FEATURE_DISABLED, MYF(0),
                       $1.symbol->group->name,
                       $1.symbol->group->needed_define);
unknown's avatar
unknown committed
4450 4451 4452 4453
	      YYABORT;
	    }
	    $$= ((Item*(*)(void))($1.symbol->create_func))();
	  }
unknown's avatar
unknown committed
4454
	| FUNC_ARG1 '(' expr ')'
unknown's avatar
unknown committed
4455 4456 4457
	  {
	    if (!$1.symbol->create_func)
	    {
4458 4459 4460
              my_error(ER_FEATURE_DISABLED, MYF(0),
                       $1.symbol->group->name,
                       $1.symbol->group->needed_define);
unknown's avatar
unknown committed
4461 4462 4463 4464
	      YYABORT;
	    }
	    $$= ((Item*(*)(Item*))($1.symbol->create_func))($3);
	  }
unknown's avatar
unknown committed
4465
	| FUNC_ARG2 '(' expr ',' expr ')'
unknown's avatar
unknown committed
4466 4467 4468
	  {
	    if (!$1.symbol->create_func)
	    {
4469 4470 4471
	      my_error(ER_FEATURE_DISABLED, MYF(0),
                       $1.symbol->group->name,
                       $1.symbol->group->needed_define);
unknown's avatar
unknown committed
4472 4473 4474 4475
	      YYABORT;
	    }
	    $$= ((Item*(*)(Item*,Item*))($1.symbol->create_func))($3,$5);
	  }
unknown's avatar
unknown committed
4476
	| FUNC_ARG3 '(' expr ',' expr ',' expr ')'
unknown's avatar
unknown committed
4477 4478 4479
	  {
	    if (!$1.symbol->create_func)
	    {
4480 4481 4482
              my_error(ER_FEATURE_DISABLED, MYF(0),
                       $1.symbol->group->name,
                       $1.symbol->group->needed_define);
unknown's avatar
unknown committed
4483 4484 4485 4486
	      YYABORT;
	    }
	    $$= ((Item*(*)(Item*,Item*,Item*))($1.symbol->create_func))($3,$5,$7);
	  }
unknown's avatar
unknown committed
4487 4488 4489 4490
	| ADDDATE_SYM '(' expr ',' expr ')'
	  { $$= new Item_date_add_interval($3, $5, INTERVAL_DAY, 0);}
	| ADDDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
	  { $$= new Item_date_add_interval($3, $6, $7, 0); }
4491 4492
	| REPEAT_SYM '(' expr ',' expr ')'
	  { $$= new Item_func_repeat($3,$5); }
unknown's avatar
unknown committed
4493 4494 4495 4496 4497 4498
	| ATAN	'(' expr ')'
	  { $$= new Item_func_atan($3); }
	| ATAN	'(' expr ',' expr ')'
	  { $$= new Item_func_atan($3,$5); }
	| CHAR_SYM '(' expr_list ')'
	  { $$= new Item_func_char(*$3); }
4499 4500
	| CHAR_SYM '(' expr_list USING charset_name ')'
	  { $$= new Item_func_char(*$3, $5); }
unknown's avatar
unknown committed
4501 4502
	| CHARSET '(' expr ')'
	  { $$= new Item_func_charset($3); }
unknown's avatar
unknown committed
4503 4504
	| COALESCE '(' expr_list ')'
	  { $$= new Item_func_coalesce(* $3); }
unknown's avatar
unknown committed
4505 4506
	| COLLATION_SYM '(' expr ')'
	  { $$= new Item_func_collation($3); }
unknown's avatar
unknown committed
4507 4508 4509
	| CONCAT '(' expr_list ')'
	  { $$= new Item_func_concat(* $3); }
	| CONCAT_WS '(' expr ',' expr_list ')'
4510
	  { $5->push_front($3); $$= new Item_func_concat_ws(*$5); }
4511 4512
	| CONVERT_TZ_SYM '(' expr ',' expr ',' expr ')'
	  {
4513 4514
            if (Lex->add_time_zone_tables_to_query_tables(YYTHD))
              YYABORT;
4515 4516
	    $$= new Item_func_convert_tz($3, $5, $7);
	  }
unknown's avatar
unknown committed
4517
	| CURDATE optional_braces
4518
	  { $$= new Item_func_curdate_local(); Lex->safe_to_cache_query=0; }
unknown's avatar
unknown committed
4519
	| CURTIME optional_braces
4520
	  { $$= new Item_func_curtime_local(); Lex->safe_to_cache_query=0; }
unknown's avatar
unknown committed
4521
	| CURTIME '(' expr ')'
4522
	  {
4523
	    $$= new Item_func_curtime_local($3);
4524
	    Lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4525
	  }
unknown's avatar
unknown committed
4526
	| CURRENT_USER optional_braces
4527
          { $$= create_func_current_user(); }
4528 4529 4530 4531
	| DATE_ADD_INTERVAL '(' expr ',' interval_expr interval ')'
	  { $$= new Item_date_add_interval($3,$5,$6,0); }
	| DATE_SUB_INTERVAL '(' expr ',' interval_expr interval ')'
	  { $$= new Item_date_add_interval($3,$5,$6,1); }
unknown's avatar
unknown committed
4532
	| DATABASE '(' ')'
4533
	  {
unknown's avatar
unknown committed
4534
	    $$= new Item_func_database();
4535
            Lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4536
	  }
unknown's avatar
unknown committed
4537
	| DATE_SYM '(' expr ')'
unknown's avatar
unknown committed
4538
	  { $$= new Item_date_typecast($3); }
unknown's avatar
unknown committed
4539 4540
	| DAY_SYM '(' expr ')'
	  { $$= new Item_func_dayofmonth($3); }
unknown's avatar
unknown committed
4541
	| ELT_FUNC '(' expr ',' expr_list ')'
4542
	  { $5->push_front($3); $$= new Item_func_elt(*$5); }
unknown's avatar
unknown committed
4543 4544
	| MAKE_SET_SYM '(' expr ',' expr_list ')'
	  { $$= new Item_func_make_set($3, *$5); }
unknown's avatar
unknown committed
4545 4546 4547
	| ENCRYPT '(' expr ')'
	  {
	    $$= new Item_func_encrypt($3);
4548
	    Lex->uncacheable(UNCACHEABLE_RAND);
unknown's avatar
unknown committed
4549
	  }
unknown's avatar
unknown committed
4550
	| ENCRYPT '(' expr ',' expr ')'   { $$= new Item_func_encrypt($3,$5); }
4551
	| DECODE_SYM '(' expr ',' TEXT_STRING_literal ')'
unknown's avatar
unknown committed
4552
	  { $$= new Item_func_decode($3,$5.str); }
4553
	| ENCODE_SYM '(' expr ',' TEXT_STRING_literal ')'
unknown's avatar
unknown committed
4554
	 { $$= new Item_func_encode($3,$5.str); }
unknown's avatar
unknown committed
4555
	| DES_DECRYPT_SYM '(' expr ')'
unknown's avatar
unknown committed
4556
        { $$= new Item_func_des_decrypt($3); }
unknown's avatar
unknown committed
4557
	| DES_DECRYPT_SYM '(' expr ',' expr ')'
unknown's avatar
unknown committed
4558
        { $$= new Item_func_des_decrypt($3,$5); }
unknown's avatar
unknown committed
4559
	| DES_ENCRYPT_SYM '(' expr ')'
unknown's avatar
unknown committed
4560
        { $$= new Item_func_des_encrypt($3); }
unknown's avatar
unknown committed
4561
	| DES_ENCRYPT_SYM '(' expr ',' expr ')'
unknown's avatar
unknown committed
4562
        { $$= new Item_func_des_encrypt($3,$5); }
unknown's avatar
unknown committed
4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574
	| EXPORT_SET '(' expr ',' expr ',' expr ')'
		{ $$= new Item_func_export_set($3, $5, $7); }
	| EXPORT_SET '(' expr ',' expr ',' expr ',' expr ')'
		{ $$= new Item_func_export_set($3, $5, $7, $9); }
	| EXPORT_SET '(' expr ',' expr ',' expr ',' expr ',' expr ')'
		{ $$= new Item_func_export_set($3, $5, $7, $9, $11); }
	| FORMAT_SYM '(' expr ',' NUM ')'
	  { $$= new Item_func_format($3,atoi($5.str)); }
	| FROM_UNIXTIME '(' expr ')'
	  { $$= new Item_func_from_unixtime($3); }
	| FROM_UNIXTIME '(' expr ',' expr ')'
	  {
unknown's avatar
unknown committed
4575
	    $$= new Item_func_date_format (new Item_func_from_unixtime($3),$5,0);
unknown's avatar
unknown committed
4576 4577
	  }
	| FIELD_FUNC '(' expr ',' expr_list ')'
4578
	  { $5->push_front($3); $$= new Item_func_field(*$5); }
unknown's avatar
unknown committed
4579 4580 4581 4582 4583
	| geometry_function
	  {
#ifdef HAVE_SPATIAL
	    $$= $1;
#else
4584 4585
	    my_error(ER_FEATURE_DISABLED, MYF(0),
                     sym_group_geom.name, sym_group_geom.needed_define);
unknown's avatar
unknown committed
4586 4587 4588
	    YYABORT;
#endif
	  }
4589
	| GET_FORMAT '(' date_time_type  ',' expr ')'
4590
	  { $$= new Item_func_get_format($3, $5); }
unknown's avatar
unknown committed
4591 4592 4593 4594 4595 4596
	| HOUR_SYM '(' expr ')'
	  { $$= new Item_func_hour($3); }
	| IF '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_if($3,$5,$7); }
	| INSERT '(' expr ',' expr ',' expr ',' expr ')'
	  { $$= new Item_func_insert($3,$5,$7,$9); }
4597
	| interval_expr interval '+' expr
unknown's avatar
unknown committed
4598
	  /* we cannot put interval before - */
4599 4600 4601 4602 4603
	  { $$= new Item_date_add_interval($4,$1,$2,0); }
	| interval_expr
	  {
            if ($1->type() != Item::ROW_ITEM)
            {
4604
              yyerror(ER(ER_SYNTAX_ERROR));
4605 4606 4607 4608
              YYABORT;
            }
            $$= new Item_func_interval((Item_row *)$1);
          }
unknown's avatar
unknown committed
4609 4610
	| LAST_INSERT_ID '(' ')'
	  {
4611
	    $$= new Item_func_last_insert_id();
4612
	    Lex->safe_to_cache_query= 0;
unknown's avatar
unknown committed
4613 4614 4615
	  }
	| LAST_INSERT_ID '(' expr ')'
	  {
4616
	    $$= new Item_func_last_insert_id($3);
4617
	    Lex->safe_to_cache_query= 0;
unknown's avatar
unknown committed
4618 4619 4620 4621 4622 4623 4624
	  }
	| LEFT '(' expr ',' expr ')'
	  { $$= new Item_func_left($3,$5); }
	| LOCATE '(' expr ',' expr ')'
	  { $$= new Item_func_locate($5,$3); }
	| LOCATE '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_locate($5,$3,$7); }
unknown's avatar
unknown committed
4625
	| GREATEST_SYM '(' expr ',' expr_list ')'
unknown's avatar
unknown committed
4626 4627 4628
	  { $5->push_front($3); $$= new Item_func_max(*$5); }
	| LEAST_SYM '(' expr ',' expr_list ')'
	  { $5->push_front($3); $$= new Item_func_min(*$5); }
4629
	| LOG_SYM '(' expr ')'
unknown's avatar
unknown committed
4630
	  { $$= new Item_func_log($3); }
4631
	| LOG_SYM '(' expr ',' expr ')'
unknown's avatar
unknown committed
4632
	  { $$= new Item_func_log($3, $5); }
4633
	| MASTER_POS_WAIT '(' expr ',' expr ')'
unknown's avatar
unknown committed
4634
	  {
4635
	    $$= new Item_master_pos_wait($3, $5);
unknown's avatar
unknown committed
4636
	    Lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4637
		  }
4638
	| MASTER_POS_WAIT '(' expr ',' expr ',' expr ')'
unknown's avatar
unknown committed
4639
	  {
4640
	    $$= new Item_master_pos_wait($3, $5, $7);
unknown's avatar
unknown committed
4641
	    Lex->safe_to_cache_query=0;
4642
	  }
unknown's avatar
unknown committed
4643 4644
	| MICROSECOND_SYM '(' expr ')'
	  { $$= new Item_func_microsecond($3); }
unknown's avatar
unknown committed
4645 4646
	| MINUTE_SYM '(' expr ')'
	  { $$= new Item_func_minute($3); }
4647 4648
	| MOD_SYM '(' expr ',' expr ')'
	  { $$ = new Item_func_mod( $3, $5); }
unknown's avatar
unknown committed
4649 4650 4651
	| MONTH_SYM '(' expr ')'
	  { $$= new Item_func_month($3); }
	| NOW_SYM optional_braces
4652
	  { $$= new Item_func_now_local(); Lex->safe_to_cache_query=0;}
unknown's avatar
unknown committed
4653
	| NOW_SYM '(' expr ')'
4654
	  { $$= new Item_func_now_local($3); Lex->safe_to_cache_query=0;}
unknown's avatar
unknown committed
4655
	| PASSWORD '(' expr ')'
4656
	  {
4657 4658
	    $$= YYTHD->variables.old_passwords ?
              (Item *) new Item_func_old_password($3) :
unknown's avatar
unknown committed
4659 4660 4661 4662
	      (Item *) new Item_func_password($3);
	  }
	| OLD_PASSWORD '(' expr ')'
	  { $$=  new Item_func_old_password($3); }
4663
	| POSITION_SYM '(' bit_expr IN_SYM expr ')'
unknown's avatar
unknown committed
4664
	  { $$ = new Item_func_locate($5,$3); }
4665 4666
	| QUARTER_SYM '(' expr ')'
	  { $$ = new Item_func_quarter($3); }
unknown's avatar
unknown committed
4667
	| RAND '(' expr ')'
4668
	  { $$= new Item_func_rand($3); Lex->uncacheable(UNCACHEABLE_RAND);}
unknown's avatar
unknown committed
4669
	| RAND '(' ')'
4670
	  { $$= new Item_func_rand(); Lex->uncacheable(UNCACHEABLE_RAND);}
unknown's avatar
unknown committed
4671 4672 4673 4674 4675 4676 4677
	| REPLACE '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_replace($3,$5,$7); }
	| RIGHT '(' expr ',' expr ')'
	  { $$= new Item_func_right($3,$5); }
	| ROUND '(' expr ')'
	  { $$= new Item_func_round($3, new Item_int((char*)"0",0,1),0); }
	| ROUND '(' expr ',' expr ')' { $$= new Item_func_round($3,$5,0); }
4678 4679 4680 4681 4682
	| ROW_COUNT_SYM '(' ')'
	  {
	    $$= new Item_func_row_count();
	    Lex->safe_to_cache_query= 0;
	  }
unknown's avatar
unknown committed
4683 4684 4685 4686
	| SUBDATE_SYM '(' expr ',' expr ')'
	  { $$= new Item_date_add_interval($3, $5, INTERVAL_DAY, 1);}
	| SUBDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
	  { $$= new Item_date_add_interval($3, $6, $7, 1); }
unknown's avatar
unknown committed
4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698
	| SECOND_SYM '(' expr ')'
	  { $$= new Item_func_second($3); }
	| SUBSTRING '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_substr($3,$5,$7); }
	| SUBSTRING '(' expr ',' expr ')'
	  { $$= new Item_func_substr($3,$5); }
	| SUBSTRING '(' expr FROM expr FOR_SYM expr ')'
	  { $$= new Item_func_substr($3,$5,$7); }
	| SUBSTRING '(' expr FROM expr ')'
	  { $$= new Item_func_substr($3,$5); }
	| SUBSTRING_INDEX '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_substr_index($3,$5,$7); }
4699 4700 4701 4702
	| SYSDATE optional_braces
	  { $$= new Item_func_sysdate_local(); Lex->safe_to_cache_query=0;}
	| SYSDATE '(' expr ')'
	  { $$= new Item_func_sysdate_local($3); Lex->safe_to_cache_query=0;}
unknown's avatar
unknown committed
4703
	| TIME_SYM '(' expr ')'
unknown's avatar
unknown committed
4704 4705 4706
	  { $$= new Item_time_typecast($3); }
	| TIMESTAMP '(' expr ')'
	  { $$= new Item_datetime_typecast($3); }
unknown's avatar
unknown committed
4707
	| TIMESTAMP '(' expr ',' expr ')'
unknown's avatar
unknown committed
4708
	  { $$= new Item_func_add_time($3, $5, 1, 0); }
4709 4710 4711 4712
	| TIMESTAMP_ADD '(' interval_time_st ',' expr ',' expr ')'
	  { $$= new Item_date_add_interval($7,$5,$3,0); }
	| TIMESTAMP_DIFF '(' interval_time_st ',' expr ',' expr ')'
	  { $$= new Item_func_timestamp_diff($5,$7,$3); }
unknown's avatar
unknown committed
4713
	| TRIM '(' expr ')'
4714 4715
	  { $$= new Item_func_trim($3); }
	| TRIM '(' LEADING expr FROM expr ')'
unknown's avatar
unknown committed
4716
	  { $$= new Item_func_ltrim($6,$4); }
4717
	| TRIM '(' TRAILING expr FROM expr ')'
unknown's avatar
unknown committed
4718
	  { $$= new Item_func_rtrim($6,$4); }
4719
	| TRIM '(' BOTH expr FROM expr ')'
unknown's avatar
unknown committed
4720
	  { $$= new Item_func_trim($6,$4); }
4721 4722 4723 4724 4725 4726
	| TRIM '(' LEADING FROM expr ')'
	 { $$= new Item_func_ltrim($5); }
	| TRIM '(' TRAILING FROM expr ')'
	  { $$= new Item_func_rtrim($5); }
	| TRIM '(' BOTH FROM expr ')'
	  { $$= new Item_func_trim($5); }
unknown's avatar
unknown committed
4727 4728
	| TRIM '(' expr FROM expr ')'
	  { $$= new Item_func_trim($5,$3); }
4729 4730
	| TRUNCATE_SYM '(' expr ',' expr ')'
	  { $$= new Item_func_round($3,$5,1); }
4731
	| ident '.' ident '(' udf_expr_list ')'
unknown's avatar
unknown committed
4732
	  {
4733
	    LEX *lex= Lex;
4734 4735 4736
	    sp_name *name= new sp_name($1, $3);

	    name->init_qname(YYTHD);
4737
	    sp_add_used_routine(lex, YYTHD, name, TYPE_ENUM_FUNCTION);
4738
	    if ($5)
unknown's avatar
unknown committed
4739
	      $$= new Item_func_sp(Lex->current_context(), name, *$5);
unknown's avatar
unknown committed
4740
	    else
unknown's avatar
unknown committed
4741
	      $$= new Item_func_sp(Lex->current_context(), name);
4742
	    lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4743
	  }
4744
	| IDENT_sys '(' 
4745 4746
          {
#ifdef HAVE_DLOPEN
4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765
            udf_func *udf= 0;
            if (using_udf_functions &&
                (udf= find_udf($1.str, $1.length)) &&
                udf->type == UDFTYPE_AGGREGATE)
            {
              LEX *lex= Lex;
              if (lex->current_select->inc_in_sum_expr())
              {
                yyerror(ER(ER_SYNTAX_ERROR));
                YYABORT;
              }
            }
            $<udf>$= udf;
#endif
          }
          udf_expr_list ')'
          {
#ifdef HAVE_DLOPEN
            udf_func *udf= $<udf>3;
4766
            SELECT_LEX *sel= Select;
4767

4768
            if (udf)
4769
            {
4770 4771 4772
              if (udf->type == UDFTYPE_AGGREGATE)
                Select->in_sum_expr--;

4773 4774 4775 4776
              switch (udf->returns) {
              case STRING_RESULT:
                if (udf->type == UDFTYPE_FUNCTION)
                {
4777 4778
                  if ($4 != NULL)
                    $$ = new Item_func_udf_str(udf, *$4);
4779 4780 4781 4782 4783
                  else
                    $$ = new Item_func_udf_str(udf);
                }
                else
                {
4784 4785
                  if ($4 != NULL)
                    $$ = new Item_sum_udf_str(udf, *$4);
4786 4787 4788 4789 4790 4791 4792
                  else
                    $$ = new Item_sum_udf_str(udf);
                }
                break;
              case REAL_RESULT:
                if (udf->type == UDFTYPE_FUNCTION)
                {
4793 4794
                  if ($4 != NULL)
                    $$ = new Item_func_udf_float(udf, *$4);
4795 4796 4797 4798 4799
                  else
                    $$ = new Item_func_udf_float(udf);
                }
                else
                {
4800 4801
                  if ($4 != NULL)
                    $$ = new Item_sum_udf_float(udf, *$4);
4802 4803 4804 4805 4806 4807 4808
                  else
                    $$ = new Item_sum_udf_float(udf);
                }
                break;
              case INT_RESULT:
                if (udf->type == UDFTYPE_FUNCTION)
                {
4809 4810
                  if ($4 != NULL)
                    $$ = new Item_func_udf_int(udf, *$4);
4811 4812 4813 4814 4815
                  else
                    $$ = new Item_func_udf_int(udf);
                }
                else
                {
4816 4817
                  if ($4 != NULL)
                    $$ = new Item_sum_udf_int(udf, *$4);
4818 4819 4820 4821
                  else
                    $$ = new Item_sum_udf_int(udf);
                }
                break;
unknown's avatar
unknown committed
4822 4823 4824
              case DECIMAL_RESULT:
                if (udf->type == UDFTYPE_FUNCTION)
                {
4825 4826
                  if ($4 != NULL)
                    $$ = new Item_func_udf_decimal(udf, *$4);
unknown's avatar
unknown committed
4827 4828 4829 4830 4831
                  else
                    $$ = new Item_func_udf_decimal(udf);
                }
                else
                {
4832 4833
                  if ($4 != NULL)
                    $$ = new Item_sum_udf_decimal(udf, *$4);
unknown's avatar
unknown committed
4834 4835 4836 4837
                  else
                    $$ = new Item_sum_udf_decimal(udf);
                }
                break;
4838 4839 4840 4841 4842 4843 4844
              default:
                YYABORT;
              }
            }
            else
#endif /* HAVE_DLOPEN */
            {
4845
	      LEX *lex= Lex;
4846 4847
              sp_name *name= sp_name_current_db_new(YYTHD, $1);

4848
              sp_add_used_routine(lex, YYTHD, name, TYPE_ENUM_FUNCTION);
4849 4850
              if ($4)
                $$= new Item_func_sp(Lex->current_context(), name, *$4);
4851
              else
unknown's avatar
unknown committed
4852
                $$= new Item_func_sp(Lex->current_context(), name);
4853
	      lex->safe_to_cache_query=0;
4854 4855
	    }
          }
unknown's avatar
unknown committed
4856
	| UNIQUE_USERS '(' text_literal ',' NUM ',' NUM ',' expr_list ')'
4857
	  {
unknown's avatar
unknown committed
4858 4859
            $$= new Item_func_unique_users($3,atoi($5.str),atoi($7.str), * $9);
	  }
unknown's avatar
unknown committed
4860
	| UNIX_TIMESTAMP '(' ')'
unknown's avatar
unknown committed
4861 4862
	  {
	    $$= new Item_func_unix_timestamp();
4863
	    Lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4864
	  }
unknown's avatar
unknown committed
4865 4866 4867
	| UNIX_TIMESTAMP '(' expr ')'
	  { $$= new Item_func_unix_timestamp($3); }
	| USER '(' ')'
4868
	  { $$= new Item_func_user(FALSE); Lex->safe_to_cache_query=0; }
4869 4870 4871 4872 4873 4874
	| UTC_DATE_SYM optional_braces
	  { $$= new Item_func_curdate_utc(); Lex->safe_to_cache_query=0;}
	| UTC_TIME_SYM optional_braces
	  { $$= new Item_func_curtime_utc(); Lex->safe_to_cache_query=0;}
	| UTC_TIMESTAMP_SYM optional_braces
	  { $$= new Item_func_now_utc(); Lex->safe_to_cache_query=0;}
unknown's avatar
unknown committed
4875
	| WEEK_SYM '(' expr ')'
unknown's avatar
unknown committed
4876
	  {
4877
            $$= new Item_func_week($3,new Item_int((char*) "0",
unknown's avatar
unknown committed
4878
				   YYTHD->variables.default_week_format,1));
4879
          }
unknown's avatar
unknown committed
4880 4881 4882 4883 4884 4885 4886 4887
	| WEEK_SYM '(' expr ',' expr ')'
	  { $$= new Item_func_week($3,$5); }
	| YEAR_SYM '(' expr ')'
	  { $$= new Item_func_year($3); }
	| YEARWEEK '(' expr ')'
	  { $$= new Item_func_yearweek($3,new Item_int((char*) "0",0,1)); }
	| YEARWEEK '(' expr ',' expr ')'
	  { $$= new Item_func_yearweek($3, $5); }
unknown's avatar
unknown committed
4888
	| BENCHMARK_SYM '(' ulong_num ',' expr ')'
4889
	  {
unknown's avatar
unknown committed
4890
	    $$=new Item_func_benchmark($3,$5);
4891
	    Lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
unknown's avatar
unknown committed
4892
	  }
unknown's avatar
unknown committed
4893
	| EXTRACT_SYM '(' interval FROM expr ')'
unknown's avatar
unknown committed
4894
	{ $$=new Item_extract( $3, $5); };
unknown's avatar
unknown committed
4895

unknown's avatar
unknown committed
4896
geometry_function:
unknown's avatar
unknown committed
4897 4898 4899
	  CONTAINS_SYM '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_spatial_rel($3, $5, Item_func::SP_CONTAINS_FUNC)); }
	| GEOMFROMTEXT '(' expr ')'
unknown's avatar
unknown committed
4900 4901 4902 4903 4904 4905 4906 4907 4908
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| GEOMFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| GEOMFROMWKB '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_wkb($3)); }
	| GEOMFROMWKB '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_wkb($3, $5)); }
	| GEOMETRYCOLLECTION '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4909 4910
                           Geometry::wkb_geometrycollection,
                           Geometry::wkb_point)); }
unknown's avatar
unknown committed
4911 4912
	| LINESTRING '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4913
                  Geometry::wkb_linestring, Geometry::wkb_point)); }
unknown's avatar
unknown committed
4914 4915
 	| MULTILINESTRING '(' expr_list ')'
	  { $$= GEOM_NEW( Item_func_spatial_collection(* $3,
4916
                   Geometry::wkb_multilinestring, Geometry::wkb_linestring)); }
unknown's avatar
unknown committed
4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930
 	| MLINEFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| MLINEFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| MPOINTFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| MPOINTFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| MPOLYFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| MPOLYFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| MULTIPOINT '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4931
                  Geometry::wkb_multipoint, Geometry::wkb_point)); }
unknown's avatar
unknown committed
4932 4933
 	| MULTIPOLYGON '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4934
                  Geometry::wkb_multipolygon, Geometry::wkb_polygon)); }
unknown's avatar
unknown committed
4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946
	| POINT_SYM '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_point($3,$5)); }
 	| POINTFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| POINTFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| POLYFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| POLYFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| POLYGON '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4947
	          Geometry::wkb_polygon, Geometry::wkb_linestring)); }
unknown's avatar
unknown committed
4948 4949 4950 4951 4952 4953 4954 4955 4956 4957
 	| GEOMCOLLFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| GEOMCOLLFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
 	| LINEFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| LINEFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	;

4958 4959 4960 4961 4962 4963
fulltext_options:
        /* nothing */                   { $$= FT_NL;  }
        | WITH QUERY_SYM EXPANSION_SYM  { $$= FT_NL | FT_EXPAND; }
        | IN_SYM BOOLEAN_SYM MODE_SYM   { $$= FT_BOOL; }
        ;

unknown's avatar
unknown committed
4964
udf_expr_list:
4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989
	/* empty */	 { $$= NULL; }
	| udf_expr_list2 { $$= $1;}
	;

udf_expr_list2:
	{ Select->expr_list.push_front(new List<Item>); }
	udf_expr_list3
	{ $$= Select->expr_list.pop(); }
	;

udf_expr_list3:
	udf_expr 
	  {
	    Select->expr_list.head()->push_back($1);
	  }
	| udf_expr_list3 ',' udf_expr 
	  {
	    Select->expr_list.head()->push_back($3);
	  }
	;

udf_expr:
	remember_name expr remember_end select_alias
	{
	  if ($4.str)
4990 4991 4992 4993
          {
	    $2->set_name($4.str, $4.length, system_charset_info);
            $2->is_autogenerated_name= FALSE;
          }
4994
	  else
4995
	    $2->set_name($1, (uint) ($3 - $1), YYTHD->charset());
4996 4997 4998
	  $$= $2;
	}
	;
unknown's avatar
unknown committed
4999 5000 5001 5002

sum_expr:
	AVG_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_avg($3); }
5003 5004
	| AVG_SYM '(' DISTINCT in_sum_expr ')'
	  { $$=new Item_sum_avg_distinct($4); }
unknown's avatar
unknown committed
5005 5006 5007 5008
	| BIT_AND  '(' in_sum_expr ')'
	  { $$=new Item_sum_and($3); }
	| BIT_OR  '(' in_sum_expr ')'
	  { $$=new Item_sum_or($3); }
5009 5010
	| BIT_XOR  '(' in_sum_expr ')'
	  { $$=new Item_sum_xor($3); }
unknown's avatar
unknown committed
5011
	| COUNT_SYM '(' opt_all '*' ')'
unknown's avatar
unknown committed
5012 5013 5014
	  { $$=new Item_sum_count(new Item_int((int32) 0L,1)); }
	| COUNT_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_count($3); }
5015
	| COUNT_SYM '(' DISTINCT
unknown's avatar
unknown committed
5016
	  { Select->in_sum_expr++; }
5017
	   expr_list
unknown's avatar
unknown committed
5018
	  { Select->in_sum_expr--; }
5019 5020
	  ')'
	  { $$=new Item_sum_count_distinct(* $5); }
unknown's avatar
unknown committed
5021 5022 5023 5024
	| GROUP_UNIQUE_USERS '(' text_literal ',' NUM ',' NUM ',' in_sum_expr ')'
	  { $$= new Item_sum_unique_users($3,atoi($5.str),atoi($7.str),$9); }
	| MIN_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_min($3); }
5025 5026 5027 5028 5029 5030 5031
/*
   According to ANSI SQL, DISTINCT is allowed and has
   no sence inside MIN and MAX grouping functions; so MIN|MAX(DISTINCT ...)
   is processed like an ordinary MIN | MAX()
 */
	| MIN_SYM '(' DISTINCT in_sum_expr ')'
	  { $$=new Item_sum_min($4); }
unknown's avatar
unknown committed
5032 5033
	| MAX_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_max($3); }
5034 5035
	| MAX_SYM '(' DISTINCT in_sum_expr ')'
	  { $$=new Item_sum_max($4); }
unknown's avatar
unknown committed
5036
	| STD_SYM '(' in_sum_expr ')'
5037
	  { $$=new Item_sum_std($3, 0); }
unknown's avatar
unknown committed
5038
	| VARIANCE_SYM '(' in_sum_expr ')'
5039 5040 5041 5042 5043
	  { $$=new Item_sum_variance($3, 0); }
	| STDDEV_SAMP_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_std($3, 1); }
	| VAR_SAMP_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_variance($3, 1); }
unknown's avatar
unknown committed
5044
	| SUM_SYM '(' in_sum_expr ')'
5045
	  { $$=new Item_sum_sum($3); }
5046 5047
	| SUM_SYM '(' DISTINCT in_sum_expr ')'
	  { $$=new Item_sum_sum_distinct($4); }
unknown's avatar
unknown committed
5048 5049 5050 5051 5052
	| GROUP_CONCAT_SYM '(' opt_distinct
	  { Select->in_sum_expr++; }
	  expr_list opt_gorder_clause
	  opt_gconcat_separator
	 ')'
unknown's avatar
unknown committed
5053
	  {
5054 5055
            SELECT_LEX *sel= Select;
	    sel->in_sum_expr--;
unknown's avatar
unknown committed
5056
	    $$=new Item_func_group_concat(Lex->current_context(), $3, $5,
5057
                                          sel->gorder_list, $7);
unknown's avatar
unknown committed
5058
	    $5->empty();
5059 5060 5061 5062 5063 5064 5065
	  };

opt_distinct:
    /* empty */ { $$ = 0; }
    |DISTINCT   { $$ = 1; };

opt_gconcat_separator:
unknown's avatar
unknown committed
5066
    /* empty */        { $$ = new (YYTHD->mem_root) String(",",1,default_charset_info); }
5067
    |SEPARATOR_SYM text_string  { $$ = $2; };
unknown's avatar
unknown committed
5068

5069 5070

opt_gorder_clause:
5071 5072
	  /* empty */
	  {
unknown's avatar
unknown committed
5073
            Select->gorder_list = NULL;
5074 5075 5076
	  }
	| order_clause
          {
unknown's avatar
unknown committed
5077 5078 5079
            SELECT_LEX *select= Select;
            select->gorder_list=
	      (SQL_LIST*) sql_memdup((char*) &select->order_list,
5080
				     sizeof(st_sql_list));
unknown's avatar
unknown committed
5081
	    select->order_list.empty();
5082
	  };
unknown's avatar
unknown committed
5083

unknown's avatar
unknown committed
5084 5085

in_sum_expr:
unknown's avatar
unknown committed
5086
	opt_all
5087 5088 5089 5090
	{
	  LEX *lex= Lex;
	  if (lex->current_select->inc_in_sum_expr())
	  {
5091
	    yyerror(ER(ER_SYNTAX_ERROR));
5092
	    YYABORT;
5093 5094
	  }
	}
unknown's avatar
unknown committed
5095 5096
	expr
	{
unknown's avatar
unknown committed
5097
	  Select->in_sum_expr--;
5098
	  $$= $3;
unknown's avatar
unknown committed
5099
	};
unknown's avatar
unknown committed
5100

5101
cast_type:
unknown's avatar
unknown committed
5102 5103
        BINARY opt_len		{ $$=ITEM_CAST_CHAR; Lex->charset= &my_charset_bin; Lex->dec= 0; }
        | CHAR_SYM opt_len opt_binary	{ $$=ITEM_CAST_CHAR; Lex->dec= 0; }
5104
	| NCHAR_SYM opt_len	{ $$=ITEM_CAST_CHAR; Lex->charset= national_charset_info; Lex->dec=0; }
unknown's avatar
unknown committed
5105 5106 5107 5108 5109 5110 5111 5112
        | SIGNED_SYM		{ $$=ITEM_CAST_SIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | SIGNED_SYM INT_SYM	{ $$=ITEM_CAST_SIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | UNSIGNED		{ $$=ITEM_CAST_UNSIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | UNSIGNED INT_SYM	{ $$=ITEM_CAST_UNSIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | DATE_SYM		{ $$=ITEM_CAST_DATE; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | TIME_SYM		{ $$=ITEM_CAST_TIME; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | DATETIME		{ $$=ITEM_CAST_DATETIME; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | DECIMAL_SYM float_options { $$=ITEM_CAST_DECIMAL; Lex->charset= NULL; }
5113 5114
	;

unknown's avatar
unknown committed
5115
expr_list:
5116
	{ Select->expr_list.push_front(new List<Item>); }
unknown's avatar
unknown committed
5117
	expr_list2
unknown's avatar
unknown committed
5118
	{ $$= Select->expr_list.pop(); };
unknown's avatar
unknown committed
5119 5120

expr_list2:
5121
	expr { Select->expr_list.head()->push_back($1); }
unknown's avatar
unknown committed
5122
	| expr_list2 ',' expr { Select->expr_list.head()->push_back($3); };
unknown's avatar
unknown committed
5123

unknown's avatar
unknown committed
5124 5125
ident_list_arg:
          ident_list          { $$= $1; }
unknown's avatar
unknown committed
5126
        | '(' ident_list ')'  { $$= $2; };
unknown's avatar
unknown committed
5127

unknown's avatar
unknown committed
5128
ident_list:
5129
        { Select->expr_list.push_front(new List<Item>); }
unknown's avatar
unknown committed
5130
        ident_list2
unknown's avatar
unknown committed
5131
        { $$= Select->expr_list.pop(); };
unknown's avatar
unknown committed
5132 5133

ident_list2:
5134
        simple_ident { Select->expr_list.head()->push_back($1); }
unknown's avatar
unknown committed
5135
        | ident_list2 ',' simple_ident { Select->expr_list.head()->push_back($3); };
unknown's avatar
unknown committed
5136 5137 5138

opt_expr:
	/* empty */      { $$= NULL; }
5139
	| expr           { $$= $1; };
unknown's avatar
unknown committed
5140 5141 5142

opt_else:
	/* empty */    { $$= NULL; }
unknown's avatar
unknown committed
5143
	| ELSE expr    { $$= $2; };
unknown's avatar
unknown committed
5144 5145

when_list:
unknown's avatar
unknown committed
5146
        { Select->when_list.push_front(new List<Item>); }
unknown's avatar
unknown committed
5147
	when_list2
unknown's avatar
unknown committed
5148
	{ $$= Select->when_list.pop(); };
unknown's avatar
unknown committed
5149 5150

when_list2:
unknown's avatar
unknown committed
5151
	expr THEN_SYM expr
unknown's avatar
unknown committed
5152
	  {
unknown's avatar
unknown committed
5153
	    SELECT_LEX *sel=Select;
unknown's avatar
unknown committed
5154 5155
	    sel->when_list.head()->push_back($1);
	    sel->when_list.head()->push_back($3);
unknown's avatar
unknown committed
5156
	}
unknown's avatar
unknown committed
5157
	| when_list2 WHEN_SYM expr THEN_SYM expr
unknown's avatar
unknown committed
5158
	  {
unknown's avatar
unknown committed
5159
	    SELECT_LEX *sel=Select;
unknown's avatar
unknown committed
5160 5161
	    sel->when_list.head()->push_back($3);
	    sel->when_list.head()->push_back($5);
unknown's avatar
unknown committed
5162
	  };
unknown's avatar
unknown committed
5163

unknown's avatar
unknown committed
5164
/* Warning - may return NULL in case of incomplete SELECT */
5165 5166 5167
table_ref:
        table_factor            { $$=$1; }
        | join_table            { $$=$1; }
5168
          {
5169 5170 5171
	    LEX *lex= Lex;
            if (!($$= lex->current_select->nest_last_join(lex->thd)))
              YYABORT;
5172
          }
5173 5174
        ;

unknown's avatar
unknown committed
5175
join_table_list:
unknown's avatar
unknown committed
5176
	derived_table_list		{ YYERROR_UNLESS($$=$1); }
unknown's avatar
unknown committed
5177
	;
unknown's avatar
unknown committed
5178

unknown's avatar
unknown committed
5179 5180
/* Warning - may return NULL in case of incomplete SELECT */
derived_table_list:
5181
        table_ref { $$=$1; }
unknown's avatar
unknown committed
5182 5183
        | derived_table_list ',' table_ref
          {
unknown's avatar
unknown committed
5184
            YYERROR_UNLESS($1 && ($$=$3));
unknown's avatar
unknown committed
5185
          }
5186 5187
        ;

5188 5189 5190 5191 5192 5193 5194
/*
  Notice that JOIN is a left-associative operation, and it must be parsed
  as such, that is, the parser must process first the left join operand
  then the right one. Such order of processing ensures that the parser
  produces correct join trees which is essential for semantic analysis
  and subsequent optimization phases.
*/
5195
join_table:
5196
/* INNER JOIN variants */
unknown's avatar
unknown committed
5197
        /*
5198 5199 5200
          Use %prec to evaluate production 'table_ref' before 'normal_join'
          so that [INNER | CROSS] JOIN is properly nested as other
          left-associative joins.
unknown's avatar
unknown committed
5201 5202
        */
        table_ref %prec TABLE_REF_PRIORITY normal_join table_ref
5203
          { YYERROR_UNLESS($1 && ($$=$3)); }
unknown's avatar
unknown committed
5204
	| table_ref STRAIGHT_JOIN table_factor
unknown's avatar
unknown committed
5205
	  { YYERROR_UNLESS($1 && ($$=$3)); $3->straight=1; }
unknown's avatar
unknown committed
5206 5207 5208 5209 5210
	| table_ref normal_join table_ref
          ON
          {
            YYERROR_UNLESS($1 && ($$=$3));
            /* Change the current name resolution context to a local context. */
5211
            if (push_new_name_resolution_context(YYTHD, $1, $3))
unknown's avatar
unknown committed
5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223
              YYABORT;
          }
          expr
	  {
            add_join_on($3,$6);
            Lex->pop_context();
          }
        | table_ref STRAIGHT_JOIN table_factor
          ON
          {
            YYERROR_UNLESS($1 && ($$=$3));
            /* Change the current name resolution context to a local context. */
5224
            if (push_new_name_resolution_context(YYTHD, $1, $3))
unknown's avatar
unknown committed
5225 5226 5227 5228 5229 5230 5231 5232
              YYABORT;
          }
          expr
          {
            $3->straight=1;
            add_join_on($3,$6);
            Lex->pop_context();
          }
5233
	| table_ref normal_join table_ref
unknown's avatar
unknown committed
5234
	  USING
unknown's avatar
unknown committed
5235
	  {
unknown's avatar
unknown committed
5236
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5237
            YYERROR_UNLESS($1 && $3);
unknown's avatar
unknown committed
5238
	  }
unknown's avatar
unknown committed
5239
	  '(' using_list ')'
unknown's avatar
unknown committed
5240
          { add_join_natural($1,$3,$7); $$=$3; }
5241 5242 5243 5244 5245 5246 5247
	| table_ref NATURAL JOIN_SYM table_factor
	  {
            YYERROR_UNLESS($1 && ($$=$4));
            add_join_natural($1,$4,NULL);
          }

/* LEFT JOIN variants */
unknown's avatar
unknown committed
5248 5249 5250
	| table_ref LEFT opt_outer JOIN_SYM table_ref
          ON
          {
5251
            YYERROR_UNLESS($1 && $5);
unknown's avatar
unknown committed
5252
            /* Change the current name resolution context to a local context. */
5253
            if (push_new_name_resolution_context(YYTHD, $1, $5))
unknown's avatar
unknown committed
5254 5255 5256 5257 5258 5259 5260 5261 5262
              YYABORT;
          }
          expr
	  {
            add_join_on($5,$8);
            Lex->pop_context();
            $5->outer_join|=JOIN_TYPE_LEFT;
            $$=$5;
          }
5263
	| table_ref LEFT opt_outer JOIN_SYM table_factor
unknown's avatar
unknown committed
5264
	  {
unknown's avatar
unknown committed
5265
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5266
            YYERROR_UNLESS($1 && $5);
unknown's avatar
unknown committed
5267
	  }
unknown's avatar
unknown committed
5268
	  USING '(' using_list ')'
unknown's avatar
unknown committed
5269
          { add_join_natural($1,$5,$9); $5->outer_join|=JOIN_TYPE_LEFT; $$=$5; }
5270
	| table_ref NATURAL LEFT opt_outer JOIN_SYM table_factor
5271
	  {
unknown's avatar
unknown committed
5272
            YYERROR_UNLESS($1 && $6);
unknown's avatar
unknown committed
5273
 	    add_join_natural($1,$6,NULL);
5274
	    $6->outer_join|=JOIN_TYPE_LEFT;
5275 5276
	    $$=$6;
	  }
5277 5278

/* RIGHT JOIN variants */
unknown's avatar
unknown committed
5279 5280 5281
	| table_ref RIGHT opt_outer JOIN_SYM table_ref
          ON
          {
5282
            YYERROR_UNLESS($1 && $5);
unknown's avatar
unknown committed
5283
            /* Change the current name resolution context to a local context. */
5284
            if (push_new_name_resolution_context(YYTHD, $1, $5))
unknown's avatar
unknown committed
5285 5286 5287
              YYABORT;
          }
          expr
unknown's avatar
unknown committed
5288
          {
5289 5290 5291
	    LEX *lex= Lex;
            if (!($$= lex->current_select->convert_right_join()))
              YYABORT;
unknown's avatar
unknown committed
5292 5293
            add_join_on($$, $8);
            Lex->pop_context();
5294 5295
          }
	| table_ref RIGHT opt_outer JOIN_SYM table_factor
unknown's avatar
unknown committed
5296
	  {
unknown's avatar
unknown committed
5297
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5298
            YYERROR_UNLESS($1 && $5);
unknown's avatar
unknown committed
5299
	  }
5300
	  USING '(' using_list ')'
unknown's avatar
unknown committed
5301
          {
5302 5303 5304
	    LEX *lex= Lex;
            if (!($$= lex->current_select->convert_right_join()))
              YYABORT;
unknown's avatar
unknown committed
5305
            add_join_natural($$,$5,$9);
5306 5307
          }
	| table_ref NATURAL RIGHT opt_outer JOIN_SYM table_factor
5308
	  {
unknown's avatar
unknown committed
5309
            YYERROR_UNLESS($1 && $6);
unknown's avatar
unknown committed
5310
	    add_join_natural($6,$1,NULL);
5311 5312 5313
	    LEX *lex= Lex;
            if (!($$= lex->current_select->convert_right_join()))
              YYABORT;
5314
	  };
unknown's avatar
unknown committed
5315 5316

normal_join:
unknown's avatar
unknown committed
5317 5318 5319 5320
	JOIN_SYM		{}
	| INNER_SYM JOIN_SYM	{}
	| CROSS JOIN_SYM	{}
	;
unknown's avatar
unknown committed
5321

unknown's avatar
unknown committed
5322
/* Warning - may return NULL in case of incomplete SELECT */
5323
table_factor:
unknown's avatar
unknown committed
5324
	{
unknown's avatar
unknown committed
5325
	  SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5326
	  sel->use_index_ptr=sel->ignore_index_ptr=0;
unknown's avatar
unknown committed
5327
	  sel->table_join_options= 0;
unknown's avatar
unknown committed
5328
	}
unknown's avatar
unknown committed
5329
        table_ident opt_table_alias opt_key_definition
unknown's avatar
unknown committed
5330
	{
unknown's avatar
unknown committed
5331
	  LEX *lex= Lex;
unknown's avatar
unknown committed
5332
	  SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
5333
	  if (!($$= sel->add_table_to_list(lex->thd, $2, $3,
unknown's avatar
unknown committed
5334
					   sel->get_table_join_options(),
unknown's avatar
unknown committed
5335
					   lex->lock_option,
5336 5337
					   sel->get_use_index(),
					   sel->get_ignore_index())))
5338
	    YYABORT;
5339
          sel->add_joined_table($$);
unknown's avatar
unknown committed
5340
	}
unknown's avatar
unknown committed
5341 5342 5343 5344
	| '{' ident table_ref LEFT OUTER JOIN_SYM table_ref
          ON
          {
            /* Change the current name resolution context to a local context. */
5345
            if (push_new_name_resolution_context(YYTHD, $3, $7))
unknown's avatar
unknown committed
5346
              YYABORT;
5347

unknown's avatar
unknown committed
5348 5349 5350 5351 5352 5353 5354 5355 5356
          }
          expr '}'
	  {
            YYERROR_UNLESS($3 && $7);
            add_join_on($7,$10);
            Lex->pop_context();
            $7->outer_join|=JOIN_TYPE_LEFT;
            $$=$7;
          }
unknown's avatar
unknown committed
5357
	| select_derived_init get_select_lex select_derived2
5358
          {
5359
            LEX *lex= Lex;
unknown's avatar
unknown committed
5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373
            SELECT_LEX *sel= lex->current_select;
            if ($1)
            {
	      if (sel->set_braces(1))
	      {
	        yyerror(ER(ER_SYNTAX_ERROR));
	        YYABORT;
	      }
              /* select in braces, can't contain global parameters */
	      if (sel->master_unit()->fake_select_lex)
                sel->master_unit()->global_parameters=
                   sel->master_unit()->fake_select_lex;
            }
            if ($2->init_nested_join(lex->thd))
unknown's avatar
unknown committed
5374
              YYABORT;
unknown's avatar
unknown committed
5375
            $$= 0;
unknown's avatar
unknown committed
5376
            /* incomplete derived tables return NULL, we must be
unknown's avatar
unknown committed
5377
               nested in select_derived rule to be here. */
5378
          }
unknown's avatar
unknown committed
5379 5380 5381 5382 5383
	| '(' get_select_lex select_derived union_opt ')' opt_table_alias
	{
          /* Use $2 instead of Lex->current_select as derived table will
             alter value of Lex->current_select. */

unknown's avatar
unknown committed
5384
          if (!($3 || $6) && $2->embedding &&
unknown's avatar
unknown committed
5385
              !$2->embedding->nested_join->join_list.elements)
5386
          {
unknown's avatar
unknown committed
5387 5388 5389 5390 5391
            /* we have a derived table ($3 == NULL) but no alias,
               Since we are nested in further parentheses so we
               can pass NULL to the outer level parentheses
               Permits parsing of "((((select ...))) as xyz)" */
            $$= 0;
5392
          }
unknown's avatar
unknown committed
5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406
          else
          if (!$3)
          {
            /* Handle case of derived table, alias may be NULL if there
               are no outer parentheses, add_table_to_list() will throw
               error in this case */
	    LEX *lex=Lex;
            SELECT_LEX *sel= lex->current_select;
	    SELECT_LEX_UNIT *unit= sel->master_unit();
	    lex->current_select= sel= unit->outer_select();
	    if (!($$= sel->
                  add_table_to_list(lex->thd, new Table_ident(unit), $6, 0,
				    TL_READ,(List<String> *)0,
	                            (List<String> *)0)))
unknown's avatar
unknown committed
5407

unknown's avatar
unknown committed
5408
	      YYABORT;
unknown's avatar
unknown committed
5409
            sel->add_joined_table($$);
unknown's avatar
unknown committed
5410
            lex->pop_context();
unknown's avatar
unknown committed
5411 5412 5413 5414 5415 5416
          }
	  else
          if ($4 || $6)
	  {
            /* simple nested joins cannot have aliases or unions */
            yyerror(ER(ER_SYNTAX_ERROR));
unknown's avatar
unknown committed
5417
	    YYABORT;
unknown's avatar
unknown committed
5418 5419 5420 5421 5422
	  }
          else
            $$= $3;
	}
        ;
unknown's avatar
unknown committed
5423

unknown's avatar
unknown committed
5424
/* handle contents of parentheses in join expression */
5425
select_derived:
unknown's avatar
unknown committed
5426
	  get_select_lex
unknown's avatar
unknown committed
5427
	  {
unknown's avatar
unknown committed
5428 5429 5430 5431 5432 5433 5434 5435 5436
            LEX *lex= Lex;
            if ($1->init_nested_join(lex->thd))
              YYABORT;
          }
          derived_table_list
          {
            LEX *lex= Lex;
            /* for normal joins, $3 != NULL and end_nested_join() != NULL,
               for derived tables, both must equal NULL */
unknown's avatar
unknown committed
5437

unknown's avatar
unknown committed
5438 5439 5440 5441
            if (!($$= $1->end_nested_join(lex->thd)) && $3)
              YYABORT;
            if (!$3 && $$)
            {
unknown's avatar
unknown committed
5442 5443
	      yyerror(ER(ER_SYNTAX_ERROR));
	      YYABORT;
unknown's avatar
unknown committed
5444 5445
            }
          }
unknown's avatar
unknown committed
5446
 	;
unknown's avatar
unknown committed
5447

unknown's avatar
unknown committed
5448
select_derived2:
unknown's avatar
unknown committed
5449
        {
unknown's avatar
unknown committed
5450
	  LEX *lex= Lex;
5451
	  lex->derived_tables|= DERIVED_SUBQUERY;
unknown's avatar
unknown committed
5452 5453 5454
	  if (((int)lex->sql_command >= (int)SQLCOM_HA_OPEN &&
	       lex->sql_command <= (int)SQLCOM_HA_READ) ||
	       lex->sql_command == (int)SQLCOM_KILL)
5455 5456
	  {
	    yyerror(ER(ER_SYNTAX_ERROR));
5457 5458
	    YYABORT;
	  }
5459
	  if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE ||
unknown's avatar
unknown committed
5460
              mysql_new_select(lex, 1))
unknown's avatar
unknown committed
5461 5462
	    YYABORT;
	  mysql_init_select(lex);
5463
	  lex->current_select->linkage= DERIVED_TABLE_TYPE;
5464
	  lex->current_select->parsing_place= SELECT_LIST;
5465 5466 5467
	}
        select_options select_item_list
	{
5468
	  Select->parsing_place= NO_MATTER;
unknown's avatar
unknown committed
5469
	}
unknown's avatar
unknown committed
5470
	opt_select_from
5471
        ;
unknown's avatar
unknown committed
5472

unknown's avatar
unknown committed
5473 5474 5475 5476 5477 5478 5479 5480
get_select_lex:
	/* Empty */ { $$= Select; }
        ;

select_derived_init:
          SELECT_SYM
          {
            LEX *lex= Lex;
unknown's avatar
unknown committed
5481
            SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495
            TABLE_LIST *embedding;
            if (!sel->embedding || sel->end_nested_join(lex->thd))
	    {
              /* we are not in parentheses */
              yyerror(ER(ER_SYNTAX_ERROR));
	      YYABORT;
	    }
            embedding= Select->embedding;
            $$= embedding &&
                !embedding->nested_join->join_list.elements;
            /* return true if we are deeply nested */
          }
        ;

unknown's avatar
unknown committed
5496 5497
opt_outer:
	/* empty */	{}
unknown's avatar
unknown committed
5498
	| OUTER		{};
unknown's avatar
unknown committed
5499 5500 5501 5502

opt_key_definition:
	/* empty */	{}
	| USE_SYM    key_usage_list
unknown's avatar
unknown committed
5503
          {
unknown's avatar
unknown committed
5504
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5505 5506 5507
	    sel->use_index= *$2;
	    sel->use_index_ptr= &sel->use_index;
	  }
unknown's avatar
unknown committed
5508 5509
	| FORCE_SYM key_usage_list
          {
unknown's avatar
unknown committed
5510
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5511 5512 5513 5514
	    sel->use_index= *$2;
	    sel->use_index_ptr= &sel->use_index;
	    sel->table_join_options|= TL_OPTION_FORCE_INDEX;
	  }
unknown's avatar
unknown committed
5515
	| IGNORE_SYM key_usage_list
unknown's avatar
unknown committed
5516
	  {
unknown's avatar
unknown committed
5517
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5518 5519
	    sel->ignore_index= *$2;
	    sel->ignore_index_ptr= &sel->ignore_index;
unknown's avatar
unknown committed
5520
	  };
unknown's avatar
unknown committed
5521 5522

key_usage_list:
unknown's avatar
unknown committed
5523
	key_or_index { Select->interval_list.empty(); }
unknown's avatar
unknown committed
5524
        '(' key_list_or_empty ')'
unknown's avatar
unknown committed
5525
        { $$= &Select->interval_list; }
unknown's avatar
unknown committed
5526 5527 5528 5529 5530 5531
	;

key_list_or_empty:
	/* empty */ 		{}
	| key_usage_list2	{}
	;
unknown's avatar
unknown committed
5532 5533 5534

key_usage_list2:
	key_usage_list2 ',' ident
unknown's avatar
unknown committed
5535
        { Select->
unknown's avatar
unknown committed
5536
	    interval_list.push_back(new (YYTHD->mem_root) String((const char*) $3.str, $3.length,
5537
				    system_charset_info)); }
unknown's avatar
unknown committed
5538
	| ident
unknown's avatar
unknown committed
5539
        { Select->
unknown's avatar
unknown committed
5540
	    interval_list.push_back(new (YYTHD->mem_root) String((const char*) $1.str, $1.length,
5541
				    system_charset_info)); }
unknown's avatar
unknown committed
5542
	| PRIMARY_SYM
unknown's avatar
unknown committed
5543
        { Select->
unknown's avatar
unknown committed
5544
	    interval_list.push_back(new (YYTHD->mem_root) String("PRIMARY", 7,
5545
				    system_charset_info)); };
unknown's avatar
unknown committed
5546 5547 5548

using_list:
	ident
unknown's avatar
unknown committed
5549
	  {
unknown's avatar
unknown committed
5550
            if (!($$= new List<String>))
unknown's avatar
unknown committed
5551
	      YYABORT;
unknown's avatar
unknown committed
5552 5553 5554
            $$->push_back(new (YYTHD->mem_root)
                              String((const char *) $1.str, $1.length,
                                      system_charset_info));
unknown's avatar
unknown committed
5555 5556 5557
	  }
	| using_list ',' ident
	  {
unknown's avatar
unknown committed
5558 5559 5560 5561
            $1->push_back(new (YYTHD->mem_root)
                              String((const char *) $3.str, $3.length,
                                      system_charset_info));
            $$= $1;
unknown's avatar
unknown committed
5562
	  };
unknown's avatar
unknown committed
5563 5564

interval:
5565 5566
	interval_time_st	{}
	| DAY_HOUR_SYM		{ $$=INTERVAL_DAY_HOUR; }
unknown's avatar
unknown committed
5567
	| DAY_MICROSECOND_SYM	{ $$=INTERVAL_DAY_MICROSECOND; }
unknown's avatar
unknown committed
5568 5569
	| DAY_MINUTE_SYM	{ $$=INTERVAL_DAY_MINUTE; }
	| DAY_SECOND_SYM	{ $$=INTERVAL_DAY_SECOND; }
unknown's avatar
unknown committed
5570
	| HOUR_MICROSECOND_SYM	{ $$=INTERVAL_HOUR_MICROSECOND; }
unknown's avatar
unknown committed
5571 5572
	| HOUR_MINUTE_SYM	{ $$=INTERVAL_HOUR_MINUTE; }
	| HOUR_SECOND_SYM	{ $$=INTERVAL_HOUR_SECOND; }
unknown's avatar
unknown committed
5573 5574
	| MICROSECOND_SYM	{ $$=INTERVAL_MICROSECOND; }
	| MINUTE_MICROSECOND_SYM	{ $$=INTERVAL_MINUTE_MICROSECOND; }
unknown's avatar
unknown committed
5575
	| MINUTE_SECOND_SYM	{ $$=INTERVAL_MINUTE_SECOND; }
5576 5577 5578 5579 5580 5581 5582 5583
	| SECOND_MICROSECOND_SYM	{ $$=INTERVAL_SECOND_MICROSECOND; }
	| YEAR_MONTH_SYM	{ $$=INTERVAL_YEAR_MONTH; };

interval_time_st:
	DAY_SYM			{ $$=INTERVAL_DAY; }
	| WEEK_SYM		{ $$=INTERVAL_WEEK; }
	| HOUR_SYM		{ $$=INTERVAL_HOUR; }
	| FRAC_SECOND_SYM	{ $$=INTERVAL_MICROSECOND; }
unknown's avatar
unknown committed
5584 5585
	| MINUTE_SYM		{ $$=INTERVAL_MINUTE; }
	| MONTH_SYM		{ $$=INTERVAL_MONTH; }
5586
	| QUARTER_SYM		{ $$=INTERVAL_QUARTER; }
unknown's avatar
unknown committed
5587
	| SECOND_SYM		{ $$=INTERVAL_SECOND; }
5588 5589
	| YEAR_SYM		{ $$=INTERVAL_YEAR; }
        ;
unknown's avatar
unknown committed
5590

5591
date_time_type:
5592 5593 5594 5595 5596
          DATE_SYM              {$$=MYSQL_TIMESTAMP_DATE;}
        | TIME_SYM              {$$=MYSQL_TIMESTAMP_TIME;}
        | DATETIME              {$$=MYSQL_TIMESTAMP_DATETIME;}
        | TIMESTAMP             {$$=MYSQL_TIMESTAMP_DATETIME;}
        ;
5597

unknown's avatar
unknown committed
5598 5599 5600
table_alias:
	/* empty */
	| AS
unknown's avatar
unknown committed
5601
	| EQ;
unknown's avatar
unknown committed
5602 5603 5604 5605

opt_table_alias:
	/* empty */		{ $$=0; }
	| table_alias ident
unknown's avatar
unknown committed
5606
	  { $$= (LEX_STRING*) sql_memdup(&$2,sizeof(LEX_STRING)); };
unknown's avatar
unknown committed
5607

unknown's avatar
unknown committed
5608 5609 5610 5611
opt_all:
	/* empty */
	| ALL
	;
unknown's avatar
unknown committed
5612 5613

where_clause:
unknown's avatar
unknown committed
5614
	/* empty */  { Select->where= 0; }
unknown's avatar
unknown committed
5615 5616 5617 5618 5619
	| WHERE
          {
            Select->parsing_place= IN_WHERE;
          }
          expr
5620
	  {
unknown's avatar
unknown committed
5621 5622 5623 5624 5625
            SELECT_LEX *select= Select;
	    select->where= $3;
            select->parsing_place= NO_MATTER;
	    if ($3)
	      $3->top_level_item();
5626
	  }
unknown's avatar
unknown committed
5627
 	;
unknown's avatar
unknown committed
5628 5629 5630

having_clause:
	/* empty */
unknown's avatar
unknown committed
5631 5632
	| HAVING
	  {
5633
	    Select->parsing_place= IN_HAVING;
unknown's avatar
unknown committed
5634 5635
          }
	  expr
unknown's avatar
unknown committed
5636
	  {
unknown's avatar
unknown committed
5637
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5638
	    sel->having= $3;
5639
	    sel->parsing_place= NO_MATTER;
unknown's avatar
unknown committed
5640 5641 5642
	    if ($3)
	      $3->top_level_item();
	  }
5643
	;
unknown's avatar
unknown committed
5644 5645

opt_escape:
5646 5647 5648 5649 5650
	ESCAPE_SYM simple_expr 
          {
            Lex->escape_used= TRUE;
            $$= $2;
          }
5651
	| /* empty */
5652
          {
5653
            Lex->escape_used= FALSE;
5654 5655 5656
            $$= ((YYTHD->variables.sql_mode & MODE_NO_BACKSLASH_ESCAPES) ?
		 new Item_string("", 0, &my_charset_latin1) :
                 new Item_string("\\", 1, &my_charset_latin1));
5657 5658
          }
        ;
unknown's avatar
unknown committed
5659 5660 5661


/*
unknown's avatar
unknown committed
5662
   group by statement in select
unknown's avatar
unknown committed
5663 5664 5665 5666
*/

group_clause:
	/* empty */
5667
	| GROUP BY group_list olap_opt;
unknown's avatar
unknown committed
5668 5669

group_list:
unknown's avatar
unknown committed
5670
	group_list ',' order_ident order_dir
unknown's avatar
unknown committed
5671
	  { if (add_group_to_list(YYTHD, $3,(bool) $4)) YYABORT; }
unknown's avatar
unknown committed
5672
	| order_ident order_dir
unknown's avatar
unknown committed
5673
	  { if (add_group_to_list(YYTHD, $1,(bool) $2)) YYABORT; };
unknown's avatar
unknown committed
5674

5675 5676
olap_opt:
	/* empty */ {}
5677
	| WITH CUBE_SYM
5678
          {
5679
	    LEX *lex=Lex;
5680 5681
	    if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
	    {
unknown's avatar
unknown committed
5682
	      my_error(ER_WRONG_USAGE, MYF(0), "WITH CUBE",
5683 5684 5685
		       "global union parameters");
	      YYABORT;
	    }
unknown's avatar
unknown committed
5686
	    lex->current_select->olap= CUBE_TYPE;
unknown's avatar
unknown committed
5687
	    my_error(ER_NOT_SUPPORTED_YET, MYF(0), "CUBE");
5688
	    YYABORT;	/* To be deleted in 5.1 */
5689
	  }
5690
	| WITH ROLLUP_SYM
5691
          {
5692 5693 5694
	    LEX *lex= Lex;
	    if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
	    {
unknown's avatar
unknown committed
5695
	      my_error(ER_WRONG_USAGE, MYF(0), "WITH ROLLUP",
5696 5697 5698
		       "global union parameters");
	      YYABORT;
	    }
unknown's avatar
unknown committed
5699
	    lex->current_select->olap= ROLLUP_TYPE;
5700
	  }
5701
	;
5702

unknown's avatar
unknown committed
5703
/*
unknown's avatar
unknown committed
5704
   Order by statement in select
unknown's avatar
unknown committed
5705 5706
*/

5707
opt_order_clause:
unknown's avatar
unknown committed
5708
	/* empty */
unknown's avatar
unknown committed
5709
	| order_clause;
5710 5711

order_clause:
5712 5713
	ORDER_SYM BY
        {
unknown's avatar
unknown committed
5714
	  LEX *lex=Lex;
5715
	  if (lex->current_select->linkage != GLOBAL_OPTIONS_TYPE &&
unknown's avatar
unknown committed
5716
	      lex->current_select->olap !=
5717
	      UNSPECIFIED_OLAP_TYPE)
5718
	  {
unknown's avatar
unknown committed
5719 5720
	    my_error(ER_WRONG_USAGE, MYF(0),
                     "CUBE/ROLLUP", "ORDER BY");
5721 5722
	    YYABORT;
	  }
unknown's avatar
unknown committed
5723
	} order_list;
unknown's avatar
unknown committed
5724 5725 5726

order_list:
	order_list ',' order_ident order_dir
unknown's avatar
unknown committed
5727
	  { if (add_order_to_list(YYTHD, $3,(bool) $4)) YYABORT; }
unknown's avatar
unknown committed
5728
	| order_ident order_dir
unknown's avatar
unknown committed
5729
	  { if (add_order_to_list(YYTHD, $1,(bool) $2)) YYABORT; };
unknown's avatar
unknown committed
5730 5731 5732

order_dir:
	/* empty */ { $$ =  1; }
unknown's avatar
unknown committed
5733
	| ASC  { $$ =1; }
unknown's avatar
unknown committed
5734
	| DESC { $$ =0; };
unknown's avatar
unknown committed
5735 5736


5737 5738 5739
opt_limit_clause_init:
	/* empty */
	{
5740 5741
	  LEX *lex= Lex;
	  SELECT_LEX *sel= lex->current_select;
5742 5743
          sel->offset_limit= 0;
          sel->select_limit= 0;
5744
	}
5745 5746 5747
	| limit_clause {}
	;

5748 5749 5750 5751 5752
opt_limit_clause:
	/* empty */	{}
	| limit_clause	{}
	;

5753
limit_clause:
5754
	LIMIT limit_options {}
unknown's avatar
unknown committed
5755
	;
unknown's avatar
unknown committed
5756 5757

limit_options:
5758
	limit_option
unknown's avatar
unknown committed
5759
	  {
unknown's avatar
unknown committed
5760
            SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5761
            sel->select_limit= $1;
5762
            sel->offset_limit= 0;
5763
	    sel->explicit_limit= 1;
unknown's avatar
unknown committed
5764
	  }
5765
	| limit_option ',' limit_option
unknown's avatar
unknown committed
5766
	  {
unknown's avatar
unknown committed
5767
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5768 5769
	    sel->select_limit= $3;
	    sel->offset_limit= $1;
5770
	    sel->explicit_limit= 1;
unknown's avatar
unknown committed
5771
	  }
5772
	| limit_option OFFSET_SYM limit_option
unknown's avatar
unknown committed
5773
	  {
unknown's avatar
unknown committed
5774
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5775 5776
	    sel->select_limit= $1;
	    sel->offset_limit= $3;
5777
	    sel->explicit_limit= 1;
unknown's avatar
unknown committed
5778 5779
	  }
	;
5780 5781 5782 5783 5784
limit_option:
        param_marker
        | ULONGLONG_NUM { $$= new Item_uint($1.str, $1.length); }
        | LONG_NUM     { $$= new Item_uint($1.str, $1.length); }
        | NUM           { $$= new Item_uint($1.str, $1.length); }
unknown's avatar
unknown committed
5785
        ;
unknown's avatar
unknown committed
5786 5787 5788 5789

delete_limit_clause:
	/* empty */
	{
unknown's avatar
unknown committed
5790
	  LEX *lex=Lex;
5791
	  lex->current_select->select_limit= 0;
unknown's avatar
unknown committed
5792
	}
5793
	| LIMIT limit_option
5794 5795
	{
	  SELECT_LEX *sel= Select;
5796
	  sel->select_limit= $2;
5797 5798
	  sel->explicit_limit= 1;
	};
unknown's avatar
unknown committed
5799

unknown's avatar
unknown committed
5800 5801
ulong_num:
          NUM           { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
5802
	| HEX_NUM       { $$= (ulong) strtol($1.str, (char**) 0, 16); }
unknown's avatar
unknown committed
5803 5804
	| LONG_NUM      { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
	| ULONGLONG_NUM { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
unknown's avatar
unknown committed
5805
        | DECIMAL_NUM   { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
unknown's avatar
unknown committed
5806 5807
	| FLOAT_NUM	{ int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
	;
unknown's avatar
unknown committed
5808

unknown's avatar
unknown committed
5809
ulonglong_num:
unknown's avatar
unknown committed
5810 5811 5812
	NUM	    { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
	| ULONGLONG_NUM { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
	| LONG_NUM  { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
unknown's avatar
unknown committed
5813
        | DECIMAL_NUM  { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
unknown's avatar
unknown committed
5814 5815
	| FLOAT_NUM { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
	;
unknown's avatar
unknown committed
5816 5817 5818 5819 5820 5821

procedure_clause:
	/* empty */
	| PROCEDURE ident			/* Procedure name */
	  {
	    LEX *lex=Lex;
5822 5823
	    if (&lex->select_lex != lex->current_select)
	    {
unknown's avatar
unknown committed
5824
	      my_error(ER_WRONG_USAGE, MYF(0), "PROCEDURE", "subquery");
5825 5826
	      YYABORT;
	    }
unknown's avatar
unknown committed
5827 5828 5829
	    lex->proc_list.elements=0;
	    lex->proc_list.first=0;
	    lex->proc_list.next= (byte**) &lex->proc_list.first;
5830 5831 5832 5833
	    if (add_proc_to_list(lex->thd, new Item_field(&lex->
                                                          current_select->
                                                          context,
                                                          NULL,NULL,$2.str)))
unknown's avatar
unknown committed
5834
	      YYABORT;
5835
	    Lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
unknown's avatar
unknown committed
5836
	  }
unknown's avatar
unknown committed
5837
	  '(' procedure_list ')';
unknown's avatar
unknown committed
5838 5839 5840 5841


procedure_list:
	/* empty */ {}
unknown's avatar
unknown committed
5842
	| procedure_list2 {};
unknown's avatar
unknown committed
5843 5844 5845

procedure_list2:
	procedure_list2 ',' procedure_item
unknown's avatar
unknown committed
5846
	| procedure_item;
unknown's avatar
unknown committed
5847 5848 5849 5850

procedure_item:
	  remember_name expr
	  {
unknown's avatar
unknown committed
5851 5852
	    LEX *lex= Lex;
	    if (add_proc_to_list(lex->thd, $2))
unknown's avatar
unknown committed
5853 5854
	      YYABORT;
	    if (!$2->name)
5855 5856
	      $2->set_name($1,(uint) ((char*) lex->tok_end - $1),
                           YYTHD->charset());
5857 5858 5859 5860 5861 5862
	  }
          ;


select_var_list_init:
	   {
unknown's avatar
unknown committed
5863 5864
             LEX *lex=Lex;
	     if (!lex->describe && (!(lex->result= new select_dumpvar())))
5865 5866
	        YYABORT;
	   }
5867
	   select_var_list
5868
	   {}
5869
           ;
unknown's avatar
unknown committed
5870

unknown's avatar
unknown committed
5871
select_var_list:
5872 5873 5874 5875
	   select_var_list ',' select_var_ident
	   | select_var_ident {}
           ;

5876 5877 5878 5879 5880 5881 5882 5883 5884 5885
select_var_ident:  
	   '@' ident_or_text
           {
             LEX *lex=Lex;
	     if (lex->result) 
	       ((select_dumpvar *)lex->result)->var_list.push_back( new my_var($2,0,0,(enum_field_types)0));
	     else
	       YYABORT;
	   }
           | ident_or_text
unknown's avatar
unknown committed
5886
           {
5887
             LEX *lex=Lex;
5888 5889 5890 5891
	     sp_pvar_t *t;

	     if (!lex->spcont || !(t=lex->spcont->find_pvar(&$1)))
	     {
5892
	       my_error(ER_SP_UNDECLARED_VAR, MYF(0), $1.str);
unknown's avatar
unknown committed
5893
	       YYABORT;
5894 5895 5896 5897 5898
	     }
	     if (! lex->result)
	       YYABORT;
	     else
	     {
5899 5900 5901
               my_var *var;
	       ((select_dumpvar *)lex->result)->
                 var_list.push_back(var= new my_var($1,1,t->offset,t->type));
unknown's avatar
unknown committed
5902
#ifndef DBUG_OFF
5903
	       if (var)
5904
		 var->sp= lex->sphead;
5905
#endif
5906
	     }
unknown's avatar
unknown committed
5907
	   }
unknown's avatar
unknown committed
5908
           ;
unknown's avatar
unknown committed
5909

5910
into:
unknown's avatar
unknown committed
5911
        INTO OUTFILE TEXT_STRING_sys
unknown's avatar
unknown committed
5912
	{
unknown's avatar
unknown committed
5913
          LEX *lex= Lex;
5914 5915 5916 5917
          lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
          if (!(lex->exchange= new sql_exchange($3.str, 0)) ||
              !(lex->result= new select_export(lex->exchange)))
            YYABORT;
unknown's avatar
unknown committed
5918 5919
	}
	opt_field_term opt_line_term
unknown's avatar
unknown committed
5920
	| INTO DUMPFILE TEXT_STRING_sys
unknown's avatar
unknown committed
5921
	{
5922
	  LEX *lex=Lex;
unknown's avatar
unknown committed
5923 5924
	  if (!lex->describe)
	  {
5925
	    lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
unknown's avatar
unknown committed
5926 5927 5928 5929 5930
	    if (!(lex->exchange= new sql_exchange($3.str,1)))
	      YYABORT;
	    if (!(lex->result= new select_dump(lex->exchange)))
	      YYABORT;
	  }
unknown's avatar
unknown committed
5931
	}
5932
        | INTO select_var_list_init
unknown's avatar
unknown committed
5933
	{
5934
	  Lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
5935 5936
	}
        ;
unknown's avatar
unknown committed
5937

unknown's avatar
unknown committed
5938 5939 5940
/*
  DO statement
*/
unknown's avatar
unknown committed
5941

5942
do:	DO_SYM
unknown's avatar
unknown committed
5943 5944 5945
	{
	  LEX *lex=Lex;
	  lex->sql_command = SQLCOM_DO;
5946 5947 5948 5949 5950
	  mysql_init_select(lex);
	}
	expr_list
	{
	  Lex->insert_list= $3;
unknown's avatar
unknown committed
5951
	}
5952 5953
	;

unknown's avatar
unknown committed
5954
/*
5955
  Drop : delete tables or index or user
unknown's avatar
unknown committed
5956 5957 5958
*/

drop:
unknown's avatar
unknown committed
5959
	DROP opt_temporary table_or_tables if_exists table_list opt_restrict
unknown's avatar
unknown committed
5960
	{
unknown's avatar
unknown committed
5961 5962
	  LEX *lex=Lex;
	  lex->sql_command = SQLCOM_DROP_TABLE;
5963 5964
	  lex->drop_temporary= $2;
	  lex->drop_if_exists= $4;
unknown's avatar
unknown committed
5965
	}
unknown's avatar
unknown committed
5966
	| DROP INDEX_SYM ident ON table_ident {}
unknown's avatar
unknown committed
5967
	  {
unknown's avatar
unknown committed
5968 5969
	     LEX *lex=Lex;
	     lex->sql_command= SQLCOM_DROP_INDEX;
5970 5971 5972
	     lex->alter_info.drop_list.empty();
	     lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
                                                                $3.str));
unknown's avatar
unknown committed
5973 5974
	     if (!lex->current_select->add_table_to_list(lex->thd, $5, NULL,
							TL_OPTION_UPDATING))
unknown's avatar
unknown committed
5975 5976 5977 5978
	      YYABORT;
	  }
	| DROP DATABASE if_exists ident
	  {
unknown's avatar
unknown committed
5979 5980 5981 5982
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_DROP_DB;
	    lex->drop_if_exists=$3;
	    lex->name=$4.str;
unknown's avatar
unknown committed
5983
	 }
5984
	| DROP FUNCTION_SYM if_exists sp_name
unknown's avatar
unknown committed
5985
	  {
unknown's avatar
unknown committed
5986
	    LEX *lex=Lex;
5987 5988
	    if (lex->sphead)
	    {
unknown's avatar
unknown committed
5989
	      my_error(ER_SP_NO_DROP_SP, MYF(0), "FUNCTION");
5990 5991
	      YYABORT;
	    }
unknown's avatar
unknown committed
5992
	    lex->sql_command = SQLCOM_DROP_FUNCTION;
5993 5994 5995 5996 5997 5998 5999 6000
	    lex->drop_if_exists= $3;
	    lex->spname= $4;
	  }
	| DROP PROCEDURE if_exists sp_name
	  {
	    LEX *lex=Lex;
	    if (lex->sphead)
	    {
unknown's avatar
unknown committed
6001
	      my_error(ER_SP_NO_DROP_SP, MYF(0), "PROCEDURE");
6002 6003 6004 6005 6006
	      YYABORT;
	    }
	    lex->sql_command = SQLCOM_DROP_PROCEDURE;
	    lex->drop_if_exists= $3;
	    lex->spname= $4;
6007
	  }
6008
	| DROP USER clear_privileges user_list
6009
	  {
6010 6011
	    Lex->sql_command = SQLCOM_DROP_USER;
          }
6012 6013
	| DROP VIEW_SYM if_exists table_list opt_restrict
	  {
6014
	    LEX *lex= Lex;
6015 6016 6017
	    lex->sql_command= SQLCOM_DROP_VIEW;
	    lex->drop_if_exists= $3;
	  }
6018
        | DROP TRIGGER_SYM sp_name
6019 6020 6021
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_DROP_TRIGGER;
6022
            lex->spname= $3;
6023 6024
          }
	;
unknown's avatar
unknown committed
6025 6026

table_list:
6027
	table_name
unknown's avatar
unknown committed
6028
	| table_list ',' table_name;
unknown's avatar
unknown committed
6029

6030
table_name:
unknown's avatar
unknown committed
6031
	table_ident
unknown's avatar
unknown committed
6032 6033 6034 6035 6036
	{
	  if (!Select->add_table_to_list(YYTHD, $1, NULL, TL_OPTION_UPDATING))
	    YYABORT;
	}
	;
unknown's avatar
unknown committed
6037 6038

if_exists:
6039
	/* empty */ { $$= 0; }
6040 6041
	| IF EXISTS { $$= 1; }
	;
unknown's avatar
unknown committed
6042

6043 6044 6045 6046
opt_temporary:
	/* empty */ { $$= 0; }
	| TEMPORARY { $$= 1; }
	;
unknown's avatar
unknown committed
6047 6048 6049 6050 6051
/*
** Insert : add new data to table
*/

insert:
6052 6053 6054
	INSERT
	{
	  LEX *lex= Lex;
6055 6056
	  lex->sql_command= SQLCOM_INSERT;
	  lex->duplicates= DUP_ERROR; 
unknown's avatar
unknown committed
6057
	  mysql_init_select(lex);
6058 6059 6060
	  /* for subselects */
          lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
	} insert_lock_option
6061
	opt_ignore insert2
unknown's avatar
unknown committed
6062
	{
unknown's avatar
unknown committed
6063
	  Select->set_lock_for_tables($3);
unknown's avatar
unknown committed
6064
	  Lex->current_select= &Lex->select_lex;
unknown's avatar
unknown committed
6065
	}
6066
	insert_field_spec opt_insert_update
6067
	{}
unknown's avatar
unknown committed
6068
	;
unknown's avatar
unknown committed
6069 6070

replace:
6071 6072
	REPLACE
	{
6073
	  LEX *lex=Lex;
6074 6075
	  lex->sql_command = SQLCOM_REPLACE;
	  lex->duplicates= DUP_REPLACE;
unknown's avatar
unknown committed
6076
	  mysql_init_select(lex);
6077
	}
unknown's avatar
unknown committed
6078 6079
	replace_lock_option insert2
	{
unknown's avatar
unknown committed
6080
	  Select->set_lock_for_tables($3);
unknown's avatar
unknown committed
6081
	  Lex->current_select= &Lex->select_lex;
unknown's avatar
unknown committed
6082 6083
	}
	insert_field_spec
6084
	{}
unknown's avatar
unknown committed
6085
	;
unknown's avatar
unknown committed
6086 6087

insert_lock_option:
unknown's avatar
unknown committed
6088 6089 6090 6091
	/* empty */	{ $$= TL_WRITE_CONCURRENT_INSERT; }
	| LOW_PRIORITY	{ $$= TL_WRITE_LOW_PRIORITY; }
	| DELAYED_SYM	{ $$= TL_WRITE_DELAYED; }
	| HIGH_PRIORITY { $$= TL_WRITE; }
6092
	;
unknown's avatar
unknown committed
6093 6094

replace_lock_option:
unknown's avatar
unknown committed
6095 6096
	opt_low_priority { $$= $1; }
	| DELAYED_SYM	 { $$= TL_WRITE_DELAYED; };
unknown's avatar
unknown committed
6097 6098 6099

insert2:
	INTO insert_table {}
unknown's avatar
unknown committed
6100
	| insert_table {};
unknown's avatar
unknown committed
6101 6102

insert_table:
6103
	table_name
unknown's avatar
unknown committed
6104
	{
unknown's avatar
unknown committed
6105 6106 6107 6108
	  LEX *lex=Lex;
	  lex->field_list.empty();
	  lex->many_values.empty();
	  lex->insert_list=0;
unknown's avatar
unknown committed
6109
	};
unknown's avatar
unknown committed
6110 6111

insert_field_spec:
unknown's avatar
unknown committed
6112 6113 6114
	insert_values {}
	| '(' ')' insert_values {}
	| '(' fields ')' insert_values {}
unknown's avatar
unknown committed
6115 6116
	| SET
	  {
unknown's avatar
unknown committed
6117 6118 6119
	    LEX *lex=Lex;
	    if (!(lex->insert_list = new List_item) ||
		lex->many_values.push_back(lex->insert_list))
unknown's avatar
unknown committed
6120 6121
	      YYABORT;
	   }
unknown's avatar
unknown committed
6122
	   ident_eq_list;
unknown's avatar
unknown committed
6123 6124 6125

fields:
	fields ',' insert_ident { Lex->field_list.push_back($3); }
unknown's avatar
unknown committed
6126
	| insert_ident		{ Lex->field_list.push_back($1); };
unknown's avatar
unknown committed
6127 6128 6129

insert_values:
	VALUES	values_list  {}
unknown's avatar
unknown committed
6130
	| VALUE_SYM values_list  {}
unknown's avatar
unknown committed
6131 6132
	|     create_select     { Select->set_braces(0);} union_clause {}
	| '(' create_select ')' { Select->set_braces(1);} union_opt {}
6133
        ;
unknown's avatar
unknown committed
6134 6135 6136

values_list:
	values_list ','  no_braces
unknown's avatar
unknown committed
6137
	| no_braces;
unknown's avatar
unknown committed
6138 6139 6140 6141

ident_eq_list:
	ident_eq_list ',' ident_eq_value
	|
unknown's avatar
unknown committed
6142
	ident_eq_value;
unknown's avatar
unknown committed
6143 6144

ident_eq_value:
6145
	simple_ident_nospvar equal expr_or_default
unknown's avatar
unknown committed
6146
	 {
unknown's avatar
unknown committed
6147 6148 6149
	  LEX *lex=Lex;
	  if (lex->field_list.push_back($1) ||
	      lex->insert_list->push_back($3))
unknown's avatar
unknown committed
6150
	    YYABORT;
unknown's avatar
unknown committed
6151
	 };
unknown's avatar
unknown committed
6152 6153

equal:	EQ		{}
unknown's avatar
unknown committed
6154 6155 6156 6157 6158 6159 6160
	| SET_VAR	{}
	;

opt_equal:
	/* empty */	{}
	| equal		{}
	;
unknown's avatar
unknown committed
6161 6162 6163 6164 6165 6166 6167 6168 6169

no_braces:
	 '('
	 {
	    if (!(Lex->insert_list = new List_item))
	      YYABORT;
	 }
	 opt_values ')'
	 {
unknown's avatar
unknown committed
6170 6171
	  LEX *lex=Lex;
	  if (lex->many_values.push_back(lex->insert_list))
unknown's avatar
unknown committed
6172
	    YYABORT;
unknown's avatar
unknown committed
6173
	 };
unknown's avatar
unknown committed
6174 6175 6176

opt_values:
	/* empty */ {}
unknown's avatar
unknown committed
6177
	| values;
unknown's avatar
unknown committed
6178 6179

values:
unknown's avatar
unknown committed
6180
	values ','  expr_or_default
unknown's avatar
unknown committed
6181 6182 6183 6184
	{
	  if (Lex->insert_list->push_back($3))
	    YYABORT;
	}
unknown's avatar
unknown committed
6185 6186 6187 6188 6189 6190 6191 6192
	| expr_or_default
	  {
	    if (Lex->insert_list->push_back($1))
	      YYABORT;
	  }
	;

expr_or_default:
6193
	expr	  { $$= $1;}
unknown's avatar
unknown committed
6194
	| DEFAULT {$$= new Item_default_value(Lex->current_context()); }
unknown's avatar
unknown committed
6195
	;
unknown's avatar
unknown committed
6196

6197 6198
opt_insert_update:
        /* empty */
unknown's avatar
unknown committed
6199
        | ON DUPLICATE_SYM	{ Lex->duplicates= DUP_UPDATE; }
unknown's avatar
unknown committed
6200
          KEY_SYM UPDATE_SYM insert_update_list
6201 6202
        ;

unknown's avatar
unknown committed
6203 6204 6205
/* Update rows in a table */

update:
6206 6207
	UPDATE_SYM
	{
6208
	  LEX *lex= Lex;
unknown's avatar
unknown committed
6209
	  mysql_init_select(lex);
6210
          lex->sql_command= SQLCOM_UPDATE;
unknown's avatar
unknown committed
6211
	  lex->lock_option= TL_UNLOCK; 	/* Will be set later */
6212
	  lex->duplicates= DUP_ERROR; 
6213
        }
unknown's avatar
unknown committed
6214
        opt_low_priority opt_ignore join_table_list
unknown's avatar
unknown committed
6215
	SET update_list
unknown's avatar
unknown committed
6216
	{
6217 6218
	  LEX *lex= Lex;
          if (lex->select_lex.table_list.elements > 1)
unknown's avatar
unknown committed
6219
            lex->sql_command= SQLCOM_UPDATE_MULTI;
6220 6221 6222
	  else if (lex->select_lex.get_table_list()->derived)
	  {
	    /* it is single table update and it is update of derived table */
6223 6224
	    my_error(ER_NON_UPDATABLE_TABLE, MYF(0),
                     lex->select_lex.get_table_list()->alias, "UPDATE");
6225 6226
	    YYABORT;
	  }
6227 6228 6229 6230 6231 6232
          /*
            In case of multi-update setting write lock for all tables may
            be too pessimistic. We will decrease lock level if possible in
            mysql_multi_update().
          */
          Select->set_lock_for_tables($3);
unknown's avatar
unknown committed
6233
	}
6234
	where_clause opt_order_clause delete_limit_clause {}
unknown's avatar
unknown committed
6235
	;
unknown's avatar
unknown committed
6236 6237

update_list:
unknown's avatar
unknown committed
6238 6239 6240 6241
	update_list ',' update_elem
	| update_elem;

update_elem:
unknown's avatar
unknown committed
6242
	simple_ident_nospvar equal expr_or_default
unknown's avatar
unknown committed
6243
	{
unknown's avatar
unknown committed
6244
	  if (add_item_to_list(YYTHD, $1) || add_value_to_list(YYTHD, $3))
unknown's avatar
unknown committed
6245
	    YYABORT;
unknown's avatar
unknown committed
6246 6247 6248 6249 6250 6251 6252
	};

insert_update_list:
	insert_update_list ',' insert_update_elem
	| insert_update_elem;

insert_update_elem:
unknown's avatar
unknown committed
6253
	simple_ident_nospvar equal expr_or_default
unknown's avatar
unknown committed
6254
	  {
unknown's avatar
unknown committed
6255 6256 6257
	  LEX *lex= Lex;
	  if (lex->update_list.push_back($1) || 
	      lex->value_list.push_back($3))
unknown's avatar
unknown committed
6258
	      YYABORT;
unknown's avatar
unknown committed
6259
	  };
unknown's avatar
unknown committed
6260 6261

opt_low_priority:
6262
	/* empty */	{ $$= YYTHD->update_lock_default; }
unknown's avatar
unknown committed
6263
	| LOW_PRIORITY	{ $$= TL_WRITE_LOW_PRIORITY; };
unknown's avatar
unknown committed
6264 6265 6266 6267

/* Delete rows from a table */

delete:
6268
	DELETE_SYM
6269
	{
6270 6271
	  LEX *lex= Lex;
	  lex->sql_command= SQLCOM_DELETE;
unknown's avatar
unknown committed
6272
	  mysql_init_select(lex);
unknown's avatar
unknown committed
6273
	  lex->lock_option= lex->thd->update_lock_default;
6274
	  lex->ignore= 0;
6275
	  lex->select_lex.init_order();
unknown's avatar
unknown committed
6276
	}
unknown's avatar
unknown committed
6277 6278
	opt_delete_options single_multi {}
	;
6279 6280

single_multi:
unknown's avatar
unknown committed
6281 6282
 	FROM table_ident
	{
unknown's avatar
unknown committed
6283 6284
	  if (!Select->add_table_to_list(YYTHD, $2, NULL, TL_OPTION_UPDATING,
					 Lex->lock_option))
unknown's avatar
unknown committed
6285 6286 6287
	    YYABORT;
	}
	where_clause opt_order_clause
6288
	delete_limit_clause {}
unknown's avatar
unknown committed
6289
	| table_wild_list
unknown's avatar
unknown committed
6290
	  { mysql_init_multi_delete(Lex); }
unknown's avatar
unknown committed
6291
          FROM join_table_list where_clause
6292 6293 6294 6295
          { 
            if (multi_delete_set_locks_and_link_aux_tables(Lex))
              YYABORT;
          }
unknown's avatar
unknown committed
6296 6297
	| FROM table_wild_list
	  { mysql_init_multi_delete(Lex); }
6298
	  USING join_table_list where_clause
6299 6300 6301 6302
          { 
            if (multi_delete_set_locks_and_link_aux_tables(Lex))
              YYABORT;
          }
6303
	;
unknown's avatar
unknown committed
6304 6305 6306

table_wild_list:
	  table_wild_one {}
unknown's avatar
unknown committed
6307
	  | table_wild_list ',' table_wild_one {};
unknown's avatar
unknown committed
6308 6309

table_wild_one:
unknown's avatar
unknown committed
6310
	ident opt_wild opt_table_alias
unknown's avatar
unknown committed
6311
	{
unknown's avatar
unknown committed
6312 6313
	  if (!Select->add_table_to_list(YYTHD, new Table_ident($1), $3,
					 TL_OPTION_UPDATING, Lex->lock_option))
unknown's avatar
unknown committed
6314 6315
	    YYABORT;
        }
unknown's avatar
unknown committed
6316
	| ident '.' ident opt_wild opt_table_alias
unknown's avatar
unknown committed
6317
	  {
unknown's avatar
unknown committed
6318 6319
	    if (!Select->add_table_to_list(YYTHD,
					   new Table_ident(YYTHD, $1, $3, 0),
unknown's avatar
unknown committed
6320 6321
					   $5, TL_OPTION_UPDATING,
					   Lex->lock_option))
unknown's avatar
unknown committed
6322
	      YYABORT;
unknown's avatar
unknown committed
6323
	  }
unknown's avatar
unknown committed
6324
	;
unknown's avatar
unknown committed
6325 6326

opt_wild:
6327
	/* empty */	{}
unknown's avatar
unknown committed
6328
	| '.' '*'	{};
unknown's avatar
unknown committed
6329 6330


6331
opt_delete_options:
unknown's avatar
unknown committed
6332
	/* empty */	{}
unknown's avatar
unknown committed
6333
	| opt_delete_option opt_delete_options {};
6334 6335

opt_delete_option:
6336
	QUICK		{ Select->options|= OPTION_QUICK; }
6337
	| LOW_PRIORITY	{ Lex->lock_option= TL_WRITE_LOW_PRIORITY; }
6338
	| IGNORE_SYM	{ Lex->ignore= 1; };
6339

6340
truncate:
unknown's avatar
unknown committed
6341
	TRUNCATE_SYM opt_table_sym table_name
6342
	{
6343
	  LEX* lex= Lex;
6344
	  lex->sql_command= SQLCOM_TRUNCATE;
6345
	  lex->select_lex.options= 0;
6346
	  lex->select_lex.init_order();
unknown's avatar
unknown committed
6347 6348
	}
	;
6349

unknown's avatar
unknown committed
6350 6351
opt_table_sym:
	/* empty */
unknown's avatar
unknown committed
6352
	| TABLE_SYM;
6353

unknown's avatar
unknown committed
6354 6355
/* Show things */

6356 6357
show:	SHOW
	{
unknown's avatar
unknown committed
6358 6359
	  LEX *lex=Lex;
	  lex->wild=0;
6360 6361 6362
          lex->lock_option= TL_READ;
          mysql_init_select(lex);
          lex->current_select->parsing_place= SELECT_LIST;
unknown's avatar
unknown committed
6363 6364
	  bzero((char*) &lex->create_info,sizeof(lex->create_info));
	}
unknown's avatar
unknown committed
6365
	show_param
6366 6367
	{}
	;
unknown's avatar
unknown committed
6368 6369

show_param:
6370
         DATABASES wild_and_where
6371 6372 6373 6374 6375 6376 6377
         {
           LEX *lex= Lex;
           lex->sql_command= SQLCOM_SELECT;
           lex->orig_sql_command= SQLCOM_SHOW_DATABASES;
           if (prepare_schema_table(YYTHD, lex, 0, SCH_SCHEMATA))
             YYABORT;
         }
6378
         | opt_full TABLES opt_db wild_and_where
6379 6380 6381 6382
           {
             LEX *lex= Lex;
             lex->sql_command= SQLCOM_SELECT;
             lex->orig_sql_command= SQLCOM_SHOW_TABLES;
6383
             lex->select_lex.db= $3;
6384 6385 6386
             if (prepare_schema_table(YYTHD, lex, 0, SCH_TABLE_NAMES))
               YYABORT;
           }
6387 6388 6389 6390 6391 6392 6393 6394 6395
         | opt_full TRIGGERS_SYM opt_db wild_and_where
           {
             LEX *lex= Lex;
             lex->sql_command= SQLCOM_SELECT;
             lex->orig_sql_command= SQLCOM_SHOW_TRIGGERS;
             lex->select_lex.db= $3;
             if (prepare_schema_table(YYTHD, lex, 0, SCH_TRIGGERS))
               YYABORT;
           }
6396
         | TABLE_SYM STATUS_SYM opt_db wild_and_where
6397 6398 6399 6400
           {
             LEX *lex= Lex;
             lex->sql_command= SQLCOM_SELECT;
             lex->orig_sql_command= SQLCOM_SHOW_TABLE_STATUS;
6401
             lex->select_lex.db= $3;
6402 6403 6404
             if (prepare_schema_table(YYTHD, lex, 0, SCH_TABLES))
               YYABORT;
           }
6405
        | OPEN_SYM TABLES opt_db wild_and_where
unknown's avatar
unknown committed
6406
	  {
6407
	    LEX *lex= Lex;
6408 6409
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_OPEN_TABLES;
6410
	    lex->select_lex.db= $3;
6411 6412
            if (prepare_schema_table(YYTHD, lex, 0, SCH_OPEN_TABLES))
              YYABORT;
6413
	  }
unknown's avatar
unknown committed
6414
	| ENGINE_SYM storage_engines 
unknown's avatar
unknown committed
6415 6416
	  { Lex->create_info.db_type= $2; }
	  show_engine_param
6417
	| opt_full COLUMNS from_or_in table_ident opt_db wild_and_where
unknown's avatar
unknown committed
6418
	  {
6419 6420 6421
 	    LEX *lex= Lex;
	    lex->sql_command= SQLCOM_SELECT;
	    lex->orig_sql_command= SQLCOM_SHOW_FIELDS;
6422 6423 6424
	    if ($5)
	      $4->change_db($5);
	    if (prepare_schema_table(YYTHD, lex, $4, SCH_COLUMNS))
unknown's avatar
unknown committed
6425 6426
	      YYABORT;
	  }
6427
        | NEW_SYM MASTER_SYM FOR_SYM SLAVE WITH MASTER_LOG_FILE_SYM EQ
unknown's avatar
unknown committed
6428 6429
	  TEXT_STRING_sys AND_SYM MASTER_LOG_POS_SYM EQ ulonglong_num
	  AND_SYM MASTER_SERVER_ID_SYM EQ
unknown's avatar
unknown committed
6430
	ulong_num
unknown's avatar
unknown committed
6431 6432 6433 6434
          {
	    Lex->sql_command = SQLCOM_SHOW_NEW_MASTER;
	    Lex->mi.log_file_name = $8.str;
	    Lex->mi.pos = $12;
6435
	    Lex->mi.server_id = $16;
unknown's avatar
unknown committed
6436
          }
6437
        | master_or_binary LOGS_SYM
unknown's avatar
unknown committed
6438 6439
          {
	    Lex->sql_command = SQLCOM_SHOW_BINLOGS;
6440 6441 6442 6443 6444
          }
        | SLAVE HOSTS_SYM
          {
	    Lex->sql_command = SQLCOM_SHOW_SLAVE_HOSTS;
          }
unknown's avatar
unknown committed
6445
        | BINLOG_SYM EVENTS_SYM binlog_in binlog_from
unknown's avatar
unknown committed
6446
          {
6447 6448
	    LEX *lex= Lex;
	    lex->sql_command= SQLCOM_SHOW_BINLOG_EVENTS;
6449
          } opt_limit_clause_init
6450
        | keys_or_index from_or_in table_ident opt_db where_clause
6451 6452 6453 6454
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_KEYS;
6455 6456 6457
	    if ($4)
	      $3->change_db($4);
            if (prepare_schema_table(YYTHD, lex, $3, SCH_STATISTICS))
6458
              YYABORT;
unknown's avatar
unknown committed
6459
	  }
unknown's avatar
unknown committed
6460 6461 6462 6463 6464 6465 6466 6467
	| COLUMN_SYM TYPES_SYM
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_COLUMN_TYPES;
	  }
	| TABLE_SYM TYPES_SYM
	  {
	    LEX *lex=Lex;
unknown's avatar
unknown committed
6468 6469 6470 6471 6472 6473 6474
	    lex->sql_command= SQLCOM_SHOW_STORAGE_ENGINES;
	    WARN_DEPRECATED("SHOW TABLE TYPES", "SHOW [STORAGE] ENGINES");
	  }
	| opt_storage ENGINES_SYM
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_STORAGE_ENGINES;
unknown's avatar
unknown committed
6475 6476 6477 6478 6479 6480
	  }
	| PRIVILEGES
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_PRIVILEGES;
	  }
6481
        | COUNT_SYM '(' '*' ')' WARNINGS
6482
          { (void) create_select_for_variable("warning_count"); }
6483
        | COUNT_SYM '(' '*' ')' ERRORS
6484
	  { (void) create_select_for_variable("error_count"); }
6485
        | WARNINGS opt_limit_clause_init
unknown's avatar
unknown committed
6486
          { Lex->sql_command = SQLCOM_SHOW_WARNS;}
6487
        | ERRORS opt_limit_clause_init
6488
          { Lex->sql_command = SQLCOM_SHOW_ERRORS;}
6489
        | opt_var_type STATUS_SYM wild_and_where
6490
          {
6491 6492 6493
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_STATUS;
6494
            lex->option_type= $1;
6495 6496
            if (prepare_schema_table(YYTHD, lex, 0, SCH_STATUS))
              YYABORT;
6497
	  }	
unknown's avatar
unknown committed
6498
        | INNOBASE_SYM STATUS_SYM
unknown's avatar
unknown committed
6499
          { Lex->sql_command = SQLCOM_SHOW_INNODB_STATUS; WARN_DEPRECATED("SHOW INNODB STATUS", "SHOW ENGINE INNODB STATUS"); }
unknown's avatar
unknown committed
6500 6501
        | MUTEX_SYM STATUS_SYM
          { Lex->sql_command = SQLCOM_SHOW_MUTEX_STATUS; }
unknown's avatar
unknown committed
6502 6503
	| opt_full PROCESSLIST_SYM
	  { Lex->sql_command= SQLCOM_SHOW_PROCESSLIST;}
6504
        | opt_var_type  VARIABLES wild_and_where
unknown's avatar
unknown committed
6505
	  {
6506 6507 6508
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_VARIABLES;
6509
            lex->option_type= $1;
6510 6511
            if (prepare_schema_table(YYTHD, lex, 0, SCH_VARIABLES))
              YYABORT;
6512
	  }
6513
        | charset wild_and_where
6514 6515 6516 6517 6518 6519 6520
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_CHARSETS;
            if (prepare_schema_table(YYTHD, lex, 0, SCH_CHARSETS))
              YYABORT;
          }
6521
        | COLLATION_SYM wild_and_where
6522 6523 6524 6525 6526 6527 6528
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_COLLATIONS;
            if (prepare_schema_table(YYTHD, lex, 0, SCH_COLLATIONS))
              YYABORT;
          }
6529
	| BERKELEY_DB_SYM LOGS_SYM
unknown's avatar
unknown committed
6530
	  { Lex->sql_command= SQLCOM_SHOW_LOGS; WARN_DEPRECATED("SHOW BDB LOGS", "SHOW ENGINE BDB LOGS"); }
unknown's avatar
unknown committed
6531
	| LOGS_SYM
unknown's avatar
unknown committed
6532
	  { Lex->sql_command= SQLCOM_SHOW_LOGS; WARN_DEPRECATED("SHOW LOGS", "SHOW ENGINE BDB LOGS"); }
6533 6534 6535 6536 6537
	| GRANTS
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_GRANTS;
	    THD *thd= lex->thd;
6538
            Security_context *sctx= thd->security_ctx;
6539 6540 6541
	    LEX_USER *curr_user;
            if (!(curr_user= (LEX_USER*) thd->alloc(sizeof(st_lex_user))))
              YYABORT;
6542 6543 6544
            curr_user->user.str= sctx->priv_user;
            curr_user->user.length= strlen(sctx->priv_user);
            if (*sctx->priv_host != 0)
6545
            {
6546 6547
              curr_user->host.str= sctx->priv_host;
              curr_user->host.length= strlen(sctx->priv_host);
6548 6549 6550 6551 6552 6553
            }
            else
            {
              curr_user->host.str= (char *) "%";
              curr_user->host.length= 1;
            }
6554
            curr_user->password=null_lex_str;
6555 6556
	    lex->grant_user= curr_user;
	  }
unknown's avatar
unknown committed
6557
	| GRANTS FOR_SYM user
unknown's avatar
unknown committed
6558 6559 6560 6561
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_GRANTS;
	    lex->grant_user=$3;
6562
	    lex->grant_user->password=null_lex_str;
unknown's avatar
unknown committed
6563
	  }
unknown's avatar
unknown committed
6564
	| CREATE DATABASE opt_if_not_exists ident
unknown's avatar
unknown committed
6565 6566
	  {
	    Lex->sql_command=SQLCOM_SHOW_CREATE_DB;
unknown's avatar
unknown committed
6567 6568
	    Lex->create_info.options=$3;
	    Lex->name=$4.str;
unknown's avatar
unknown committed
6569
	  }
unknown's avatar
unknown committed
6570 6571
        | CREATE TABLE_SYM table_ident
          {
6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582
            LEX *lex= Lex;
	    lex->sql_command = SQLCOM_SHOW_CREATE;
	    if (!lex->select_lex.add_table_to_list(YYTHD, $3, NULL,0))
	      YYABORT;
            lex->only_view= 0;
	  }
        | CREATE VIEW_SYM table_ident
          {
            LEX *lex= Lex;
	    lex->sql_command = SQLCOM_SHOW_CREATE;
	    if (!lex->select_lex.add_table_to_list(YYTHD, $3, NULL, 0))
unknown's avatar
unknown committed
6583
	      YYABORT;
6584
            lex->only_view= 1;
unknown's avatar
unknown committed
6585 6586 6587 6588
	  }
        | MASTER_SYM STATUS_SYM
          {
	    Lex->sql_command = SQLCOM_SHOW_MASTER_STAT;
unknown's avatar
unknown committed
6589
          }
unknown's avatar
unknown committed
6590 6591 6592
        | SLAVE STATUS_SYM
          {
	    Lex->sql_command = SQLCOM_SHOW_SLAVE_STAT;
6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607
          }
	| CREATE PROCEDURE sp_name
	  {
	    LEX *lex= Lex;

	    lex->sql_command = SQLCOM_SHOW_CREATE_PROC;
	    lex->spname= $3;
	  }
	| CREATE FUNCTION_SYM sp_name
	  {
	    LEX *lex= Lex;

	    lex->sql_command = SQLCOM_SHOW_CREATE_FUNC;
	    lex->spname= $3;
	  }
6608
	| PROCEDURE STATUS_SYM wild_and_where
6609
	  {
6610 6611 6612
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_STATUS_PROC;
6613 6614
	    if (!sp_add_to_query_tables(YYTHD, lex, "mysql", "proc", TL_READ))
	      YYABORT;
6615 6616
            if (prepare_schema_table(YYTHD, lex, 0, SCH_PROCEDURES))
              YYABORT;
6617
	  }
6618
	| FUNCTION_SYM STATUS_SYM wild_and_where
6619
	  {
6620 6621 6622
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_STATUS_FUNC;
6623 6624
	    if (!sp_add_to_query_tables(YYTHD, lex, "mysql", "proc", TL_READ))
	      YYABORT;
6625 6626
            if (prepare_schema_table(YYTHD, lex, 0, SCH_PROCEDURES))
              YYABORT;
unknown's avatar
unknown committed
6627 6628 6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648
	  }
        | PROCEDURE CODE_SYM sp_name
          {
#ifdef DBUG_OFF
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
#else
            Lex->sql_command= SQLCOM_SHOW_PROC_CODE;
	    Lex->spname= $3;
#endif
          }
        | FUNCTION_SYM CODE_SYM sp_name
          {
#ifdef DBUG_OFF
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
#else
            Lex->sql_command= SQLCOM_SHOW_FUNC_CODE;
	    Lex->spname= $3;
#endif
          }
        ;
unknown's avatar
unknown committed
6649

unknown's avatar
unknown committed
6650 6651 6652 6653
show_engine_param:
	STATUS_SYM
	  {
	    switch (Lex->create_info.db_type) {
6654 6655 6656
	    case DB_TYPE_NDBCLUSTER:
	      Lex->sql_command = SQLCOM_SHOW_NDBCLUSTER_STATUS;
	      break;
unknown's avatar
unknown committed
6657 6658 6659 6660
	    case DB_TYPE_INNODB:
	      Lex->sql_command = SQLCOM_SHOW_INNODB_STATUS;
	      break;
	    default:
unknown's avatar
unknown committed
6661
	      my_error(ER_NOT_SUPPORTED_YET, MYF(0), "STATUS");
unknown's avatar
unknown committed
6662 6663 6664 6665 6666 6667 6668 6669 6670 6671
	      YYABORT;
	    }
	  }
	| LOGS_SYM
	  {
	    switch (Lex->create_info.db_type) {
	    case DB_TYPE_BERKELEY_DB:
	      Lex->sql_command = SQLCOM_SHOW_LOGS;
	      break;
	    default:
unknown's avatar
unknown committed
6672
	      my_error(ER_NOT_SUPPORTED_YET, MYF(0), "LOGS");
unknown's avatar
unknown committed
6673 6674 6675 6676
	      YYABORT;
	    }
	  };

6677 6678 6679 6680
master_or_binary:
	MASTER_SYM
	| BINARY;

unknown's avatar
unknown committed
6681 6682 6683 6684
opt_storage:
	/* empty */
	| STORAGE_SYM;

unknown's avatar
unknown committed
6685 6686
opt_db:
	/* empty */  { $$= 0; }
unknown's avatar
unknown committed
6687
	| from_or_in ident { $$= $2.str; };
unknown's avatar
unknown committed
6688

unknown's avatar
unknown committed
6689 6690
opt_full:
	/* empty */ { Lex->verbose=0; }
unknown's avatar
unknown committed
6691
	| FULL	    { Lex->verbose=1; };
unknown's avatar
unknown committed
6692

unknown's avatar
unknown committed
6693 6694
from_or_in:
	FROM
unknown's avatar
unknown committed
6695
	| IN_SYM;
unknown's avatar
unknown committed
6696

unknown's avatar
unknown committed
6697 6698
binlog_in:
	/* empty */ { Lex->mi.log_file_name = 0; }
unknown's avatar
unknown committed
6699
        | IN_SYM TEXT_STRING_sys { Lex->mi.log_file_name = $2.str; };
unknown's avatar
unknown committed
6700 6701 6702

binlog_from:
	/* empty */ { Lex->mi.pos = 4; /* skip magic number */ }
unknown's avatar
unknown committed
6703
        | FROM ulonglong_num { Lex->mi.pos = $2; };
unknown's avatar
unknown committed
6704

6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717
wild_and_where:
      /* empty */
      | LIKE TEXT_STRING_sys
	{ Lex->wild=  new (YYTHD->mem_root) String($2.str, $2.length,
                                                   system_charset_info); }
      | WHERE expr
        {
          Select->where= $2;
          if ($2)
            $2->top_level_item();
        }
      ;

unknown's avatar
unknown committed
6718

unknown's avatar
unknown committed
6719 6720 6721 6722
/* A Oracle compatible synonym for show */
describe:
	describe_command table_ident
	{
6723 6724 6725 6726 6727 6728 6729 6730 6731
          LEX *lex= Lex;
          lex->lock_option= TL_READ;
          mysql_init_select(lex);
          lex->current_select->parsing_place= SELECT_LIST;
          lex->sql_command= SQLCOM_SELECT;
          lex->orig_sql_command= SQLCOM_SHOW_FIELDS;
          lex->select_lex.db= 0;
          lex->verbose= 0;
          if (prepare_schema_table(YYTHD, lex, $2, SCH_COLUMNS))
unknown's avatar
unknown committed
6732 6733
	    YYABORT;
	}
6734
	opt_describe_column {}
unknown's avatar
unknown committed
6735 6736 6737
	| describe_command opt_extended_describe
	  { Lex->describe|= DESCRIBE_NORMAL; }
	  select
6738
          {
unknown's avatar
unknown committed
6739
	    LEX *lex=Lex;
6740
	    lex->select_lex.options|= SELECT_DESCRIBE;
unknown's avatar
unknown committed
6741 6742
	  }
	;
unknown's avatar
unknown committed
6743 6744 6745

describe_command:
	DESC
unknown's avatar
unknown committed
6746
	| DESCRIBE;
unknown's avatar
unknown committed
6747

unknown's avatar
unknown committed
6748 6749 6750 6751 6752
opt_extended_describe:
	/* empty */ {}
	| EXTENDED_SYM { Lex->describe|= DESCRIBE_EXTENDED; }
	;

unknown's avatar
unknown committed
6753 6754 6755
opt_describe_column:
	/* empty */	{}
	| text_string	{ Lex->wild= $1; }
unknown's avatar
unknown committed
6756
	| ident
unknown's avatar
unknown committed
6757
	  { Lex->wild= new (YYTHD->mem_root) String((const char*) $1.str,$1.length,system_charset_info); };
unknown's avatar
unknown committed
6758 6759 6760 6761 6762


/* flush things */

flush:
6763
	FLUSH_SYM opt_no_write_to_binlog
unknown's avatar
unknown committed
6764 6765
	{
	  LEX *lex=Lex;
6766
	  if (lex->sphead && lex->sphead->m_type != TYPE_ENUM_PROCEDURE)
6767
	  {
6768 6769 6770 6771 6772 6773
            /*
              Note that both FLUSH TABLES and FLUSH PRIVILEGES will break
              execution in prelocked mode. So it is better to disable
              FLUSH in stored functions and triggers completely.
            */
            my_error(ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG, MYF(0), "FLUSH");
6774 6775
	    YYABORT;
	  }
unknown's avatar
unknown committed
6776
	  lex->sql_command= SQLCOM_FLUSH; lex->type=0;
unknown's avatar
unknown committed
6777
          lex->no_write_to_binlog= $2;
unknown's avatar
unknown committed
6778
	}
6779 6780 6781
	flush_options
	{}
	;
unknown's avatar
unknown committed
6782 6783 6784

flush_options:
	flush_options ',' flush_option
unknown's avatar
unknown committed
6785
	| flush_option;
unknown's avatar
unknown committed
6786 6787

flush_option:
6788
	table_or_tables	{ Lex->type|= REFRESH_TABLES; } opt_table_list {}
unknown's avatar
unknown committed
6789
	| TABLES WITH READ_SYM LOCK_SYM { Lex->type|= REFRESH_TABLES | REFRESH_READ_LOCK; }
unknown's avatar
unknown committed
6790
	| QUERY_SYM CACHE_SYM { Lex->type|= REFRESH_QUERY_CACHE_FREE; }
unknown's avatar
unknown committed
6791 6792 6793 6794
	| HOSTS_SYM	{ Lex->type|= REFRESH_HOSTS; }
	| PRIVILEGES	{ Lex->type|= REFRESH_GRANT; }
	| LOGS_SYM	{ Lex->type|= REFRESH_LOG; }
	| STATUS_SYM	{ Lex->type|= REFRESH_STATUS; }
unknown's avatar
unknown committed
6795 6796
        | SLAVE         { Lex->type|= REFRESH_SLAVE; }
        | MASTER_SYM    { Lex->type|= REFRESH_MASTER; }
6797 6798
	| DES_KEY_FILE	{ Lex->type|= REFRESH_DES_KEY_FILE; }
 	| RESOURCES     { Lex->type|= REFRESH_USER_RESOURCES; };
unknown's avatar
unknown committed
6799

unknown's avatar
unknown committed
6800
opt_table_list:
6801 6802
	/* empty */  {;}
	| table_list {;};
unknown's avatar
unknown committed
6803

unknown's avatar
unknown committed
6804
reset:
unknown's avatar
unknown committed
6805 6806 6807 6808
	RESET_SYM
	{
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_RESET; lex->type=0;
6809 6810 6811 6812
	} reset_options
	{}
	;

unknown's avatar
unknown committed
6813 6814
reset_options:
	reset_options ',' reset_option
unknown's avatar
unknown committed
6815
	| reset_option;
unknown's avatar
unknown committed
6816 6817

reset_option:
unknown's avatar
unknown committed
6818 6819
        SLAVE                 { Lex->type|= REFRESH_SLAVE; }
        | MASTER_SYM          { Lex->type|= REFRESH_MASTER; }
unknown's avatar
unknown committed
6820
	| QUERY_SYM CACHE_SYM { Lex->type|= REFRESH_QUERY_CACHE;};
unknown's avatar
unknown committed
6821

unknown's avatar
unknown committed
6822
purge:
unknown's avatar
unknown committed
6823 6824 6825 6826
	PURGE
	{
	  LEX *lex=Lex;
	  lex->type=0;
6827 6828 6829 6830 6831
	} purge_options
	{}
	;

purge_options:
6832
	master_or_binary LOGS_SYM purge_option
unknown's avatar
unknown committed
6833
	;
6834 6835

purge_option:
unknown's avatar
unknown committed
6836
        TO_SYM TEXT_STRING_sys
6837 6838 6839 6840 6841 6842
        {
	   Lex->sql_command = SQLCOM_PURGE;
	   Lex->to_log = $2.str;
        }
	| BEFORE_SYM expr
	{
6843 6844 6845 6846
	  LEX *lex= Lex;
	  lex->value_list.empty();
	  lex->value_list.push_front($2);
	  lex->sql_command= SQLCOM_PURGE_BEFORE;
unknown's avatar
unknown committed
6847
	}
unknown's avatar
unknown committed
6848
	;
unknown's avatar
unknown committed
6849

unknown's avatar
unknown committed
6850 6851 6852
/* kill threads */

kill:
6853
	KILL_SYM kill_option expr
unknown's avatar
unknown committed
6854
	{
unknown's avatar
unknown committed
6855
	  LEX *lex=Lex;
6856 6857 6858
	  lex->value_list.empty();
	  lex->value_list.push_front($3);
          lex->sql_command= SQLCOM_KILL;
unknown's avatar
unknown committed
6859
	};
unknown's avatar
unknown committed
6860

6861 6862 6863 6864 6865
kill_option:
	/* empty */	 { Lex->type= 0; }
	| CONNECTION_SYM { Lex->type= 0; }
	| QUERY_SYM      { Lex->type= ONLY_KILL_QUERY; };

unknown's avatar
unknown committed
6866 6867 6868
/* change database */

use:	USE_SYM ident
unknown's avatar
unknown committed
6869 6870
	{
	  LEX *lex=Lex;
6871 6872
	  lex->sql_command=SQLCOM_CHANGE_DB;
	  lex->select_lex.db= $2.str;
unknown's avatar
unknown committed
6873
	};
unknown's avatar
unknown committed
6874 6875 6876

/* import, export of files */

unknown's avatar
unknown committed
6877 6878 6879
load:   LOAD DATA_SYM 
        {
          LEX *lex=Lex;
6880 6881 6882 6883 6884
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "LOAD DATA");
	    YYABORT;
	  }
unknown's avatar
unknown committed
6885 6886 6887 6888 6889 6890 6891
          lex->fname_start= lex->ptr;
        }
        load_data
        {}
        |
        LOAD TABLE_SYM table_ident FROM MASTER_SYM
        {
6892 6893 6894 6895 6896 6897 6898
	  LEX *lex=Lex;
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "LOAD TABLE");
	    YYABORT;
	  }
          lex->sql_command = SQLCOM_LOAD_MASTER_TABLE;
unknown's avatar
unknown committed
6899 6900 6901 6902 6903 6904
          if (!Select->add_table_to_list(YYTHD, $3, NULL, TL_OPTION_UPDATING))
            YYABORT;
        };

load_data:
	load_data_lock opt_local INFILE TEXT_STRING_sys
unknown's avatar
unknown committed
6905
	{
unknown's avatar
unknown committed
6906 6907
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_LOAD;
unknown's avatar
unknown committed
6908 6909
	  lex->lock_option= $1;
	  lex->local_file=  $2;
6910 6911
	  lex->duplicates= DUP_ERROR;
	  lex->ignore= 0;
unknown's avatar
unknown committed
6912
	  if (!(lex->exchange= new sql_exchange($4.str, 0)))
unknown's avatar
unknown committed
6913
	    YYABORT;
unknown's avatar
unknown committed
6914 6915 6916 6917 6918
        }
        opt_duplicate INTO
        {
	  LEX *lex=Lex;
	  lex->fname_end= lex->ptr;
unknown's avatar
unknown committed
6919
	}
6920
        TABLE_SYM table_ident
unknown's avatar
unknown committed
6921
        {
6922 6923 6924 6925 6926 6927 6928
          LEX *lex=Lex;
          if (!Select->add_table_to_list(YYTHD, $10, NULL, TL_OPTION_UPDATING,
                                         lex->lock_option))
            YYABORT;
          lex->field_list.empty();
          lex->update_list.empty();
          lex->value_list.empty();
unknown's avatar
unknown committed
6929
        }
6930 6931 6932
        opt_field_term opt_line_term opt_ignore_lines opt_field_or_var_spec
        opt_load_data_set_spec
        {}
6933
        |
unknown's avatar
unknown committed
6934
	FROM MASTER_SYM
6935 6936
        {
	  Lex->sql_command = SQLCOM_LOAD_MASTER_DATA;
unknown's avatar
unknown committed
6937
        };
unknown's avatar
unknown committed
6938 6939 6940

opt_local:
	/* empty */	{ $$=0;}
unknown's avatar
unknown committed
6941
	| LOCAL_SYM	{ $$=1;};
unknown's avatar
unknown committed
6942

unknown's avatar
unknown committed
6943
load_data_lock:
6944
	/* empty */	{ $$= YYTHD->update_lock_default; }
unknown's avatar
unknown committed
6945 6946
	| CONCURRENT	{ $$= TL_WRITE_CONCURRENT_INSERT ; }
	| LOW_PRIORITY	{ $$= TL_WRITE_LOW_PRIORITY; };
unknown's avatar
unknown committed
6947 6948


unknown's avatar
unknown committed
6949 6950 6951
opt_duplicate:
	/* empty */	{ Lex->duplicates=DUP_ERROR; }
	| REPLACE	{ Lex->duplicates=DUP_REPLACE; }
6952
	| IGNORE_SYM	{ Lex->ignore= 1; };
unknown's avatar
unknown committed
6953 6954 6955

opt_field_term:
	/* empty */
unknown's avatar
unknown committed
6956
	| COLUMNS field_term_list;
unknown's avatar
unknown committed
6957 6958 6959

field_term_list:
	field_term_list field_term
unknown's avatar
unknown committed
6960
	| field_term;
unknown's avatar
unknown committed
6961 6962

field_term:
6963 6964
	TERMINATED BY text_string 
          {
6965
            DBUG_ASSERT(Lex->exchange != 0);
6966 6967
            Lex->exchange->field_term= $3;
          }
unknown's avatar
unknown committed
6968
	| OPTIONALLY ENCLOSED BY text_string
unknown's avatar
unknown committed
6969
	  {
unknown's avatar
unknown committed
6970
            LEX *lex= Lex;
6971
            DBUG_ASSERT(lex->exchange != 0);
unknown's avatar
unknown committed
6972 6973
            lex->exchange->enclosed= $4;
            lex->exchange->opt_enclosed= 1;
unknown's avatar
unknown committed
6974
	  }
unknown's avatar
unknown committed
6975
        | ENCLOSED BY text_string
6976
          {
6977
            DBUG_ASSERT(Lex->exchange != 0);
6978 6979
            Lex->exchange->enclosed= $3;
          }
unknown's avatar
unknown committed
6980
        | ESCAPED BY text_string
6981
          {
6982
            DBUG_ASSERT(Lex->exchange != 0);
6983 6984
            Lex->exchange->escaped= $3;
          };
unknown's avatar
unknown committed
6985 6986 6987

opt_line_term:
	/* empty */
unknown's avatar
unknown committed
6988
	| LINES line_term_list;
unknown's avatar
unknown committed
6989 6990 6991

line_term_list:
	line_term_list line_term
unknown's avatar
unknown committed
6992
	| line_term;
unknown's avatar
unknown committed
6993 6994

line_term:
unknown's avatar
unknown committed
6995
        TERMINATED BY text_string
6996
          {
6997
            DBUG_ASSERT(Lex->exchange != 0);
6998 6999
            Lex->exchange->line_term= $3;
          }
unknown's avatar
unknown committed
7000
        | STARTING BY text_string
7001
          {
7002
            DBUG_ASSERT(Lex->exchange != 0);
7003 7004
            Lex->exchange->line_start= $3;
          };
unknown's avatar
unknown committed
7005 7006 7007

opt_ignore_lines:
	/* empty */
unknown's avatar
unknown committed
7008 7009
        | IGNORE_SYM NUM LINES
          {
7010
            DBUG_ASSERT(Lex->exchange != 0);
7011 7012
            Lex->exchange->skip_lines= atol($2.str);
          };
unknown's avatar
unknown committed
7013

unknown's avatar
unknown committed
7014 7015 7016 7017 7018 7019 7020 7021 7022 7023 7024
opt_field_or_var_spec:
	/* empty */	          { }
	| '(' fields_or_vars ')'  { }
	| '(' ')'	          { };

fields_or_vars:
        fields_or_vars ',' field_or_var
          { Lex->field_list.push_back($3); }
        | field_or_var
          { Lex->field_list.push_back($1); }
        ;
unknown's avatar
unknown committed
7025

unknown's avatar
unknown committed
7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036
field_or_var:
        simple_ident_nospvar {$$= $1;}
        | '@' ident_or_text
          { $$= new Item_user_var_as_out_param($2); }
        ;

opt_load_data_set_spec:
        /* empty */           { }
        | SET insert_update_list  { };


unknown's avatar
unknown committed
7037 7038 7039
/* Common definitions */

text_literal:
7040
	TEXT_STRING_literal
unknown's avatar
unknown committed
7041 7042
	{
	  THD *thd= YYTHD;
unknown's avatar
unknown committed
7043
	  $$ = new Item_string($1.str,$1.length,thd->variables.collation_connection);
unknown's avatar
unknown committed
7044
	}
unknown's avatar
unknown committed
7045
	| NCHAR_STRING
7046
	{ $$=  new Item_string($1.str,$1.length,national_charset_info); }
7047
	| UNDERSCORE_CHARSET TEXT_STRING
7048
	  { $$ = new Item_string($2.str,$2.length,Lex->charset); }
7049
	| text_literal TEXT_STRING_literal
unknown's avatar
unknown committed
7050 7051
	  { ((Item_string*) $1)->append($2.str,$2.length); }
	;
unknown's avatar
unknown committed
7052 7053

text_string:
7054
	TEXT_STRING_literal
unknown's avatar
unknown committed
7055
	{ $$=  new (YYTHD->mem_root) String($1.str,$1.length,YYTHD->variables.collation_connection); }
unknown's avatar
unknown committed
7056 7057
	| HEX_NUM
	  {
unknown's avatar
unknown committed
7058
	    Item *tmp= new Item_hex_string($1.str, $1.length);
7059
	    /*
unknown's avatar
unknown committed
7060
	      it is OK only emulate fix_fields, because we need only
7061 7062 7063
              value of constant
	    */
	    $$= tmp ?
unknown's avatar
unknown committed
7064
	      tmp->quick_fix_field(), tmp->val_str((String*) 0) :
7065
	      (String*) 0;
7066
	  }
unknown's avatar
unknown committed
7067 7068 7069 7070 7071 7072 7073 7074 7075 7076
        | BIN_NUM
          {
	    Item *tmp= new Item_bin_string($1.str, $1.length);
	    /*
	      it is OK only emulate fix_fields, because we need only
              value of constant
	    */
	    $$= tmp ? tmp->quick_fix_field(), tmp->val_str((String*) 0) :
		      (String*) 0;
          }
7077 7078
	;

unknown's avatar
unknown committed
7079
param_marker:
7080
        PARAM_MARKER
unknown's avatar
unknown committed
7081
        {
7082 7083
          THD *thd=YYTHD;
	  LEX *lex= thd->lex;
7084 7085 7086
          Item_param *item= new Item_param((uint) (lex->tok_start -
                                                   (uchar *) thd->query));
          if (!($$= item) || lex->param_list.push_back(item))
unknown's avatar
unknown committed
7087
          {
7088
            my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
unknown's avatar
unknown committed
7089 7090
            YYABORT;
          }
7091 7092 7093
        }
	;

unknown's avatar
unknown committed
7094 7095 7096
signed_literal:
	literal		{ $$ = $1; }
	| '+' NUM_literal { $$ = $2; }
7097 7098
	| '-' NUM_literal
	  {
7099
	    $2->max_length++;
unknown's avatar
unknown committed
7100
	    $$= $2->neg();
7101
	  }
unknown's avatar
unknown committed
7102 7103 7104
	;


unknown's avatar
unknown committed
7105 7106
literal:
	text_literal	{ $$ =	$1; }
unknown's avatar
unknown committed
7107
	| NUM_literal	{ $$ = $1; }
unknown's avatar
unknown committed
7108
	| NULL_SYM	{ $$ =	new Item_null();
7109
			  Lex->next_state=MY_LEX_OPERATOR_OR_IDENT;}
7110 7111
	| FALSE_SYM	{ $$= new Item_int((char*) "FALSE",0,1); }
	| TRUE_SYM	{ $$= new Item_int((char*) "TRUE",1,1); }
unknown's avatar
unknown committed
7112 7113
	| HEX_NUM	{ $$ =	new Item_hex_string($1.str, $1.length);}
	| BIN_NUM	{ $$= new Item_bin_string($1.str, $1.length); }
7114
	| UNDERSCORE_CHARSET HEX_NUM
7115
	  {
unknown's avatar
unknown committed
7116
	    Item *tmp= new Item_hex_string($2.str, $2.length);
7117
	    /*
unknown's avatar
unknown committed
7118
	      it is OK only emulate fix_fieds, because we need only
7119 7120 7121
              value of constant
	    */
	    String *str= tmp ?
unknown's avatar
unknown committed
7122
	      tmp->quick_fix_field(), tmp->val_str((String*) 0) :
7123
	      (String*) 0;
unknown's avatar
unknown committed
7124 7125 7126
	    $$= new Item_string(str ? str->ptr() : "",
				str ? str->length() : 0,
				Lex->charset);
7127
	  }
unknown's avatar
unknown committed
7128 7129 7130 7131 7132 7133 7134 7135 7136 7137 7138 7139 7140 7141
	| UNDERSCORE_CHARSET BIN_NUM
          {
	    Item *tmp= new Item_bin_string($2.str, $2.length);
	    /*
	      it is OK only emulate fix_fieds, because we need only
              value of constant
	    */
	    String *str= tmp ?
	      tmp->quick_fix_field(), tmp->val_str((String*) 0) :
	      (String*) 0;
	    $$= new Item_string(str ? str->ptr() : "",
				str ? str->length() : 0,
				Lex->charset);
          }
unknown's avatar
unknown committed
7142 7143
	| DATE_SYM text_literal { $$ = $2; }
	| TIME_SYM text_literal { $$ = $2; }
unknown's avatar
unknown committed
7144
	| TIMESTAMP text_literal { $$ = $2; };
unknown's avatar
unknown committed
7145

7146
NUM_literal:
7147 7148
	NUM		{ int error; $$ = new Item_int($1.str, (longlong) my_strtoll10($1.str, NULL, &error), $1.length); }
	| LONG_NUM	{ int error; $$ = new Item_int($1.str, (longlong) my_strtoll10($1.str, NULL, &error), $1.length); }
7149
	| ULONGLONG_NUM	{ $$ =	new Item_uint($1.str, $1.length); }
unknown's avatar
unknown committed
7150
        | DECIMAL_NUM
7151
	{
unknown's avatar
unknown committed
7152
           $$= new Item_decimal($1.str, $1.length, YYTHD->charset());
7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165
	   if (YYTHD->net.report_error)
	   {
	     YYABORT;
	   }
	}
	| FLOAT_NUM
	{
	   $$ =	new Item_float($1.str, $1.length);
	   if (YYTHD->net.report_error)
	   {
	     YYABORT;
	   }
	}
7166
	;
unknown's avatar
unknown committed
7167

unknown's avatar
unknown committed
7168
/**********************************************************************
unknown's avatar
unknown committed
7169
** Creating different items.
unknown's avatar
unknown committed
7170 7171 7172
**********************************************************************/

insert_ident:
7173
	simple_ident_nospvar { $$=$1; }
unknown's avatar
unknown committed
7174
	| table_wild	 { $$=$1; };
unknown's avatar
unknown committed
7175 7176

table_wild:
unknown's avatar
unknown committed
7177
	ident '.' '*'
7178
	{
7179
          SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
7180
	  $$ = new Item_field(Lex->current_context(), NullS, $1.str, "*");
7181
	  sel->with_wild++;
7182
	}
unknown's avatar
unknown committed
7183
	| ident '.' ident '.' '*'
7184
	{
7185
          SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
7186
	  $$ = new Item_field(Lex->current_context(), (YYTHD->client_capabilities &
unknown's avatar
unknown committed
7187 7188
                             CLIENT_NO_SCHEMA ? NullS : $1.str),
                             $3.str,"*");
7189
	  sel->with_wild++;
7190 7191
	}
	;
unknown's avatar
unknown committed
7192 7193

order_ident:
unknown's avatar
unknown committed
7194
	expr { $$=$1; };
unknown's avatar
unknown committed
7195 7196

simple_ident:
7197 7198 7199 7200 7201 7202
	ident
	{
	  sp_pvar_t *spv;
	  LEX *lex = Lex;
          sp_pcontext *spc = lex->spcont;
	  if (spc && (spv = spc->find_pvar(&$1)))
7203 7204 7205
	  {
            /* We're compiling a stored procedure and found a variable */
            Item_splocal *splocal;
7206 7207
            splocal= new Item_splocal($1, spv->offset, spv->type,
                                      lex->tok_start_prev - 
7208
                                      lex->sphead->m_tmp_query);
unknown's avatar
unknown committed
7209
#ifndef DBUG_OFF
7210
            if (splocal)
7211
              splocal->m_sp= lex->sphead;
7212
#endif
7213
	    $$ = (Item*) splocal;
7214 7215 7216 7217 7218 7219 7220 7221
            lex->variables_used= 1;
	    lex->safe_to_cache_query=0;
	  }
	  else
	  {
	    SELECT_LEX *sel=Select;
	    $$= (sel->parsing_place != IN_HAVING ||
	         sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7222 7223
                 (Item*) new Item_field(Lex->current_context(), NullS, NullS, $1.str) :
	         (Item*) new Item_ref(Lex->current_context(), NullS, NullS, $1.str);
7224 7225 7226 7227 7228 7229
	  }
        }
        | simple_ident_q { $$= $1; }
	;

simple_ident_nospvar:
unknown's avatar
unknown committed
7230
	ident
unknown's avatar
unknown committed
7231
	{
unknown's avatar
unknown committed
7232
	  SELECT_LEX *sel=Select;
7233
	  $$= (sel->parsing_place != IN_HAVING ||
unknown's avatar
unknown committed
7234
	       sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7235 7236
              (Item*) new Item_field(Lex->current_context(), NullS, NullS, $1.str) :
	      (Item*) new Item_ref(Lex->current_context(), NullS, NullS, $1.str);
unknown's avatar
unknown committed
7237
	}
7238
	| simple_ident_q { $$= $1; }
unknown's avatar
unknown committed
7239
	;
7240 7241 7242

simple_ident_q:
	ident '.' ident
unknown's avatar
unknown committed
7243
	{
unknown's avatar
unknown committed
7244
	  THD *thd= YYTHD;
7245
	  LEX *lex= thd->lex;
unknown's avatar
unknown committed
7246

7247 7248 7249 7250 7251 7252
          /*
            FIXME This will work ok in simple_ident_nospvar case because
            we can't meet simple_ident_nospvar in trigger now. But it
            should be changed in future.
          */
          if (lex->sphead && lex->sphead->m_type == TYPE_ENUM_TRIGGER &&
unknown's avatar
unknown committed
7253
              (!my_strcasecmp(system_charset_info, $1.str, "NEW") ||
7254 7255
               !my_strcasecmp(system_charset_info, $1.str, "OLD")))
          {
7256
            Item_trigger_field *trg_fld;
7257
            bool new_row= ($1.str[0]=='N' || $1.str[0]=='n');
unknown's avatar
unknown committed
7258

7259 7260 7261
            if (lex->trg_chistics.event == TRG_EVENT_INSERT &&
                !new_row)
            {
unknown's avatar
unknown committed
7262
              my_error(ER_TRG_NO_SUCH_ROW_IN_TRG, MYF(0), "OLD", "on INSERT");
7263 7264
              YYABORT;
            }
unknown's avatar
unknown committed
7265

7266 7267 7268
            if (lex->trg_chistics.event == TRG_EVENT_DELETE &&
                new_row)
            {
unknown's avatar
unknown committed
7269
              my_error(ER_TRG_NO_SUCH_ROW_IN_TRG, MYF(0), "NEW", "on DELETE");
7270 7271
              YYABORT;
            }
unknown's avatar
unknown committed
7272

unknown's avatar
unknown committed
7273
            if (!(trg_fld= new Item_trigger_field(Lex->current_context(),
7274
                                                  new_row ?
7275 7276 7277
                                                  Item_trigger_field::NEW_ROW:
                                                  Item_trigger_field::OLD_ROW,
                                                  $3.str)))
7278
              YYABORT;
unknown's avatar
unknown committed
7279

7280 7281 7282 7283 7284 7285
            /*
              Let us add this item to list of all Item_trigger_field objects
              in trigger.
            */
            lex->trg_table_fields.link_in_list((byte *)trg_fld,
              (byte**)&trg_fld->next_trg_field);
unknown's avatar
unknown committed
7286

7287 7288 7289 7290 7291 7292 7293
            $$= (Item *)trg_fld;
          }
          else
          {
	    SELECT_LEX *sel= lex->current_select;
	    if (sel->no_table_names_allowed)
	    {
7294 7295
	      my_error(ER_TABLENAME_NOT_ALLOWED_HERE,
                       MYF(0), $1.str, thd->where);
7296 7297 7298
	    }
	    $$= (sel->parsing_place != IN_HAVING ||
	         sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7299 7300
	        (Item*) new Item_field(Lex->current_context(), NullS, $1.str, $3.str) :
	        (Item*) new Item_ref(Lex->current_context(), NullS, $1.str, $3.str);
7301 7302
          }
        }
unknown's avatar
unknown committed
7303
	| '.' ident '.' ident
unknown's avatar
unknown committed
7304
	{
unknown's avatar
unknown committed
7305
	  THD *thd= YYTHD;
7306
	  LEX *lex= thd->lex;
unknown's avatar
unknown committed
7307
	  SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
7308 7309
	  if (sel->no_table_names_allowed)
	  {
7310 7311
	    my_error(ER_TABLENAME_NOT_ALLOWED_HERE,
                     MYF(0), $2.str, thd->where);
unknown's avatar
unknown committed
7312
	  }
7313
	  $$= (sel->parsing_place != IN_HAVING ||
unknown's avatar
unknown committed
7314
	       sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7315 7316
	      (Item*) new Item_field(Lex->current_context(), NullS, $2.str, $4.str) :
              (Item*) new Item_ref(Lex->current_context(), NullS, $2.str, $4.str);
unknown's avatar
unknown committed
7317
	}
unknown's avatar
unknown committed
7318
	| ident '.' ident '.' ident
unknown's avatar
unknown committed
7319
	{
unknown's avatar
unknown committed
7320
	  THD *thd= YYTHD;
7321
	  LEX *lex= thd->lex;
unknown's avatar
unknown committed
7322
	  SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
7323 7324
	  if (sel->no_table_names_allowed)
	  {
7325 7326
	    my_error(ER_TABLENAME_NOT_ALLOWED_HERE,
                     MYF(0), $3.str, thd->where);
unknown's avatar
unknown committed
7327
	  }
7328
	  $$= (sel->parsing_place != IN_HAVING ||
unknown's avatar
unknown committed
7329
	       sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7330
	      (Item*) new Item_field(Lex->current_context(),
7331
                                     (YYTHD->client_capabilities &
unknown's avatar
unknown committed
7332 7333
				      CLIENT_NO_SCHEMA ? NullS : $1.str),
				     $3.str, $5.str) :
unknown's avatar
unknown committed
7334
	      (Item*) new Item_ref(Lex->current_context(),
7335
                                   (YYTHD->client_capabilities &
7336
				    CLIENT_NO_SCHEMA ? NullS : $1.str),
unknown's avatar
unknown committed
7337
                                   $3.str, $5.str);
unknown's avatar
unknown committed
7338
	};
unknown's avatar
unknown committed
7339 7340 7341 7342


field_ident:
	ident			{ $$=$1;}
7343 7344 7345 7346 7347
	| ident '.' ident '.' ident
          {
            TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
            if (my_strcasecmp(table_alias_charset, $1.str, table->db))
            {
7348
              my_error(ER_WRONG_DB_NAME, MYF(0), $1.str);
7349 7350
              YYABORT;
            }
7351 7352
            if (my_strcasecmp(table_alias_charset, $3.str,
                              table->table_name))
7353
            {
7354
              my_error(ER_WRONG_TABLE_NAME, MYF(0), $3.str);
7355 7356 7357 7358 7359 7360 7361 7362 7363
              YYABORT;
            }
            $$=$5;
          }
	| ident '.' ident
          {
            TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
            if (my_strcasecmp(table_alias_charset, $1.str, table->alias))
            {
7364
              my_error(ER_WRONG_TABLE_NAME, MYF(0), $1.str);
7365 7366 7367 7368
              YYABORT;
            }
            $$=$3;
          }
unknown's avatar
unknown committed
7369
	| '.' ident		{ $$=$2;}	/* For Delphi */;
unknown's avatar
unknown committed
7370 7371 7372

table_ident:
	ident			{ $$=new Table_ident($1); }
unknown's avatar
unknown committed
7373
	| ident '.' ident	{ $$=new Table_ident(YYTHD, $1,$3,0);}
7374 7375 7376
	| '.' ident		{ $$=new Table_ident($2);} /* For Delphi */
        ;

unknown's avatar
unknown committed
7377
table_ident_nodb:
unknown's avatar
unknown committed
7378
	ident			{ LEX_STRING db={(char*) any_db,3}; $$=new Table_ident(YYTHD, db,$1,0); }
7379
        ;
unknown's avatar
unknown committed
7380

unknown's avatar
unknown committed
7381
IDENT_sys:
7382 7383 7384 7385 7386
	IDENT { $$= $1; }
	| IDENT_QUOTED
	  {
	    THD *thd= YYTHD;
	    if (thd->charset_is_system_charset)
7387 7388
            {
              CHARSET_INFO *cs= system_charset_info;
7389
              int dummy_error;
7390 7391
              uint wlen= cs->cset->well_formed_len(cs, $1.str,
                                                   $1.str+$1.length,
7392
                                                   $1.length, &dummy_error);
7393 7394
              if (wlen < $1.length)
              {
7395 7396
                my_error(ER_INVALID_CHARACTER_STRING, MYF(0),
                         cs->csname, $1.str + wlen);
7397 7398
                YYABORT;
              }
7399
	      $$= $1;
7400
            }
7401 7402 7403 7404
	    else
	      thd->convert_string(&$$, system_charset_info,
				  $1.str, $1.length, thd->charset());
	  }
unknown's avatar
unknown committed
7405 7406 7407 7408 7409 7410
	;

TEXT_STRING_sys:
	TEXT_STRING
	{
	  THD *thd= YYTHD;
unknown's avatar
unknown committed
7411 7412
	  if (thd->charset_is_system_charset)
	    $$= $1;
unknown's avatar
unknown committed
7413
	  else
unknown's avatar
unknown committed
7414 7415
	    thd->convert_string(&$$, system_charset_info,
				$1.str, $1.length, thd->charset());
unknown's avatar
unknown committed
7416 7417 7418
	}
	;

7419
TEXT_STRING_literal:
unknown's avatar
unknown committed
7420 7421 7422
	TEXT_STRING
	{
	  THD *thd= YYTHD;
unknown's avatar
unknown committed
7423 7424
	  if (thd->charset_is_collation_connection)
	    $$= $1;
unknown's avatar
unknown committed
7425
	  else
unknown's avatar
unknown committed
7426 7427
	    thd->convert_string(&$$, thd->variables.collation_connection,
				$1.str, $1.length, thd->charset());
unknown's avatar
unknown committed
7428 7429 7430 7431
	}
	;


unknown's avatar
unknown committed
7432
ident:
unknown's avatar
unknown committed
7433
	IDENT_sys	    { $$=$1; }
unknown's avatar
unknown committed
7434 7435
	| keyword
	{
unknown's avatar
unknown committed
7436 7437 7438
	  THD *thd= YYTHD;
	  $$.str=    thd->strmake($1.str, $1.length);
	  $$.length= $1.length;
7439 7440
	}
	;
unknown's avatar
unknown committed
7441

7442 7443 7444 7445 7446 7447 7448 7449 7450 7451
label_ident:
	IDENT_sys	    { $$=$1; }
	| keyword_sp
	{
	  THD *thd= YYTHD;
	  $$.str=    thd->strmake($1.str, $1.length);
	  $$.length= $1.length;
	}
	;

unknown's avatar
unknown committed
7452
ident_or_text:
unknown's avatar
unknown committed
7453
        ident                   { $$=$1;}
unknown's avatar
unknown committed
7454 7455
	| TEXT_STRING_sys	{ $$=$1;}
	| LEX_HOSTNAME		{ $$=$1;};
unknown's avatar
unknown committed
7456 7457 7458 7459

user:
	ident_or_text
	{
unknown's avatar
unknown committed
7460 7461
	  THD *thd= YYTHD;
	  if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
unknown's avatar
unknown committed
7462
	    YYABORT;
7463 7464 7465 7466
	  $$->user = $1;
	  $$->host.str= (char *) "%";
	  $$->host.length= 1;
	}
unknown's avatar
unknown committed
7467 7468
	| ident_or_text '@' ident_or_text
	  {
unknown's avatar
unknown committed
7469 7470
	    THD *thd= YYTHD;
	    if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
unknown's avatar
unknown committed
7471 7472
	      YYABORT;
	    $$->user = $1; $$->host=$3;
7473
	  }
unknown's avatar
unknown committed
7474
	| CURRENT_USER optional_braces
7475 7476
	{
          THD *thd= YYTHD;
7477
          Security_context *sctx= thd->security_ctx;
7478 7479
          if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
            YYABORT;
7480 7481 7482
          $$->user.str= sctx->priv_user;
          $$->user.length= strlen(sctx->priv_user);
          if (*sctx->priv_host != 0)
7483
          {
7484 7485
            $$->host.str= sctx->priv_host;
            $$->host.length= strlen(sctx->priv_host);
7486 7487 7488 7489 7490 7491 7492
          }
          else
          {
            $$->host.str= (char *) "%";
            $$->host.length= 1;
          }
	};
unknown's avatar
unknown committed
7493

7494
/* Keyword that we allow for identifiers (except SP labels) */
unknown's avatar
unknown committed
7495
keyword:
7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529 7530 7531 7532 7533 7534 7535
	keyword_sp		{}
	| ASCII_SYM		{}
	| BACKUP_SYM		{}
	| BEGIN_SYM		{}
	| BYTE_SYM		{}
	| CACHE_SYM		{}
	| CHARSET		{}
	| CHECKSUM_SYM		{}
	| CLOSE_SYM		{}
	| COMMENT_SYM		{}
	| COMMIT_SYM		{}
	| CONTAINS_SYM          {}
        | DEALLOCATE_SYM        {}
	| DO_SYM		{}
	| END			{}
	| EXECUTE_SYM		{}
	| FLUSH_SYM		{}
	| HANDLER_SYM		{}
	| HELP_SYM		{}
	| LANGUAGE_SYM          {}
	| NO_SYM		{}
	| OPEN_SYM		{}
        | PREPARE_SYM           {}
	| REPAIR		{}
	| RESET_SYM		{}
	| RESTORE_SYM		{}
	| ROLLBACK_SYM		{}
	| SAVEPOINT_SYM		{}
	| SECURITY_SYM		{}
	| SIGNED_SYM		{}
	| SLAVE			{}
	| START_SYM		{}
	| STOP_SYM		{}
	| TRUNCATE_SYM		{}
	| UNICODE_SYM		{}
        | XA_SYM                {}
	;

/*
 * Keywords that we allow for labels in SPs.
unknown's avatar
unknown committed
7536 7537 7538
 * Anything that's the beginning of a statement or characteristics
 * must be in keyword above, otherwise we get (harmful) shift/reduce
 * conflicts.
7539 7540
 */
keyword_sp:
unknown's avatar
unknown committed
7541
	ACTION			{}
unknown's avatar
unknown committed
7542
	| ADDDATE_SYM		{}
unknown's avatar
unknown committed
7543
	| AFTER_SYM		{}
7544
	| AGAINST		{}
unknown's avatar
unknown committed
7545
	| AGGREGATE_SYM		{}
7546
	| ALGORITHM_SYM		{}
unknown's avatar
unknown committed
7547
	| ANY_SYM		{}
unknown's avatar
unknown committed
7548
	| AUTO_INC		{}
unknown's avatar
unknown committed
7549 7550
	| AVG_ROW_LENGTH	{}
	| AVG_SYM		{}
unknown's avatar
unknown committed
7551
	| BERKELEY_DB_SYM	{}
unknown's avatar
unknown committed
7552
	| BINLOG_SYM		{}
unknown's avatar
unknown committed
7553 7554
	| BIT_SYM		{}
	| BOOL_SYM		{}
unknown's avatar
unknown committed
7555
	| BOOLEAN_SYM		{}
unknown's avatar
unknown committed
7556
	| BTREE_SYM		{}
7557
	| CASCADED              {}
unknown's avatar
unknown committed
7558
	| CHAIN_SYM		{}
7559
	| CHANGED		{}
7560
	| CIPHER_SYM		{}
unknown's avatar
unknown committed
7561
	| CLIENT_SYM		{}
unknown's avatar
unknown committed
7562
        | CODE_SYM              {}
unknown's avatar
unknown committed
7563
	| COLLATION_SYM		{}
7564
        | COLUMNS               {}
unknown's avatar
unknown committed
7565
	| COMMITTED_SYM		{}
7566
	| COMPACT_SYM		{}
unknown's avatar
unknown committed
7567
	| COMPRESSED_SYM	{}
unknown's avatar
unknown committed
7568
	| CONCURRENT		{}
7569
	| CONSISTENT_SYM	{}
7570
	| CUBE_SYM		{}
unknown's avatar
unknown committed
7571 7572 7573 7574
	| DATA_SYM		{}
	| DATETIME		{}
	| DATE_SYM		{}
	| DAY_SYM		{}
7575
	| DEFINER_SYM		{}
unknown's avatar
unknown committed
7576
	| DELAY_KEY_WRITE_SYM	{}
unknown's avatar
unknown committed
7577 7578
	| DES_KEY_FILE		{}
	| DIRECTORY_SYM		{}
unknown's avatar
unknown committed
7579
	| DISCARD		{}
unknown's avatar
unknown committed
7580 7581
	| DUMPFILE		{}
	| DUPLICATE_SYM		{}
unknown's avatar
unknown committed
7582 7583
	| DYNAMIC_SYM		{}
	| ENUM			{}
unknown's avatar
unknown committed
7584
	| ENGINE_SYM		{}
unknown's avatar
unknown committed
7585
	| ENGINES_SYM		{}
7586
	| ERRORS		{}
unknown's avatar
unknown committed
7587
	| ESCAPE_SYM		{}
unknown's avatar
unknown committed
7588
	| EVENTS_SYM		{}
7589
        | EXPANSION_SYM         {}
unknown's avatar
unknown committed
7590
	| EXTENDED_SYM		{}
7591
	| FAST_SYM		{}
7592
	| FOUND_SYM		{}
unknown's avatar
unknown committed
7593 7594
	| DISABLE_SYM		{}
	| ENABLE_SYM		{}
unknown's avatar
unknown committed
7595
	| FULL			{}
unknown's avatar
unknown committed
7596 7597 7598
	| FILE_SYM		{}
	| FIRST_SYM		{}
	| FIXED_SYM		{}
7599
	| FRAC_SECOND_SYM	{}
7600
	| GEOMETRY_SYM		{}
7601
	| GEOMETRYCOLLECTION	{}
7602
	| GET_FORMAT		{}
unknown's avatar
unknown committed
7603
	| GRANTS		{}
unknown's avatar
unknown committed
7604
	| GLOBAL_SYM		{}
unknown's avatar
unknown committed
7605
	| HASH_SYM		{}
unknown's avatar
unknown committed
7606 7607 7608
	| HOSTS_SYM		{}
	| HOUR_SYM		{}
	| IDENTIFIED_SYM	{}
7609
	| INVOKER_SYM		{}
unknown's avatar
unknown committed
7610
	| IMPORT		{}
unknown's avatar
unknown committed
7611
	| INDEXES		{}
unknown's avatar
unknown committed
7612
	| ISOLATION		{}
unknown's avatar
unknown committed
7613
	| ISSUER_SYM		{}
unknown's avatar
unknown committed
7614
	| INNOBASE_SYM		{}
7615
	| INSERT_METHOD		{}
unknown's avatar
unknown committed
7616
	| RELAY_THREAD		{}
7617
	| LAST_SYM		{}
unknown's avatar
unknown committed
7618
	| LEAVES                {}
unknown's avatar
unknown committed
7619
	| LEVEL_SYM		{}
7620
	| LINESTRING		{}
unknown's avatar
unknown committed
7621
	| LOCAL_SYM		{}
unknown's avatar
unknown committed
7622
	| LOCKS_SYM		{}
unknown's avatar
unknown committed
7623 7624 7625 7626 7627 7628 7629 7630 7631
	| LOGS_SYM		{}
	| MAX_ROWS		{}
	| MASTER_SYM		{}
	| MASTER_HOST_SYM	{}
	| MASTER_PORT_SYM	{}
	| MASTER_LOG_FILE_SYM	{}
	| MASTER_LOG_POS_SYM	{}
	| MASTER_USER_SYM	{}
	| MASTER_PASSWORD_SYM	{}
unknown's avatar
unknown committed
7632
	| MASTER_SERVER_ID_SYM  {}
unknown's avatar
unknown committed
7633
	| MASTER_CONNECT_RETRY_SYM	{}
unknown's avatar
unknown committed
7634 7635 7636 7637 7638 7639
	| MASTER_SSL_SYM	{}
	| MASTER_SSL_CA_SYM	{}
	| MASTER_SSL_CAPATH_SYM	{}
	| MASTER_SSL_CERT_SYM	{}
	| MASTER_SSL_CIPHER_SYM	{}
	| MASTER_SSL_KEY_SYM	{}
unknown's avatar
unknown committed
7640 7641 7642
	| MAX_CONNECTIONS_PER_HOUR	 {}
	| MAX_QUERIES_PER_HOUR	{}
	| MAX_UPDATES_PER_HOUR	{}
7643
	| MAX_USER_CONNECTIONS_SYM {}
7644
	| MEDIUM_SYM		{}
7645
	| MERGE_SYM		{}
unknown's avatar
unknown committed
7646
	| MICROSECOND_SYM	{}
7647
        | MIGRATE_SYM           {}
unknown's avatar
unknown committed
7648 7649 7650
	| MINUTE_SYM		{}
	| MIN_ROWS		{}
	| MODIFY_SYM		{}
unknown's avatar
unknown committed
7651
	| MODE_SYM		{}
unknown's avatar
unknown committed
7652
	| MONTH_SYM		{}
7653 7654 7655
	| MULTILINESTRING	{}
	| MULTIPOINT		{}
	| MULTIPOLYGON		{}
7656
        | MUTEX_SYM             {}
7657
	| NAME_SYM              {}
unknown's avatar
unknown committed
7658
	| NAMES_SYM		{}
unknown's avatar
unknown committed
7659 7660
	| NATIONAL_SYM		{}
	| NCHAR_SYM		{}
unknown's avatar
unknown committed
7661
	| NDBCLUSTER_SYM	{}
7662
	| NEXT_SYM		{}
unknown's avatar
unknown committed
7663
	| NEW_SYM		{}
7664
	| NONE_SYM		{}
unknown's avatar
unknown committed
7665
	| NVARCHAR_SYM		{}
unknown's avatar
unknown committed
7666
	| OFFSET_SYM		{}
unknown's avatar
unknown committed
7667
	| OLD_PASSWORD		{}
7668
	| ONE_SHOT_SYM		{}
7669
        | ONE_SYM               {}
unknown's avatar
unknown committed
7670
	| PACK_KEYS_SYM		{}
7671
	| PARTIAL		{}
unknown's avatar
unknown committed
7672
	| PASSWORD		{}
7673
        | PHASE_SYM             {}
7674
	| POINT_SYM		{}
7675
	| POLYGON		{}
7676
	| PREV_SYM		{}
7677
        | PRIVILEGES            {}
unknown's avatar
unknown committed
7678 7679
	| PROCESS		{}
	| PROCESSLIST_SYM	{}
7680
	| QUARTER_SYM		{}
unknown's avatar
unknown committed
7681
	| QUERY_SYM		{}
7682
	| QUICK			{}
unknown's avatar
unknown committed
7683
	| RAID_0_SYM		{}
unknown's avatar
unknown committed
7684 7685
	| RAID_CHUNKS		{}
	| RAID_CHUNKSIZE	{}
unknown's avatar
unknown committed
7686
	| RAID_STRIPED_SYM	{}
unknown's avatar
unknown committed
7687
	| RAID_TYPE		{}
7688
        | RECOVER_SYM           {}
unknown's avatar
unknown committed
7689
        | REDUNDANT_SYM         {}
unknown's avatar
unknown committed
7690 7691
	| RELAY_LOG_FILE_SYM	{}
	| RELAY_LOG_POS_SYM	{}
unknown's avatar
unknown committed
7692
	| RELOAD		{}
unknown's avatar
unknown committed
7693
	| REPEATABLE_SYM	{}
unknown's avatar
unknown committed
7694
	| REPLICATION		{}
7695
	| RESOURCES		{}
7696
        | RESUME_SYM            {}
7697
	| RETURNS_SYM           {}
7698
	| ROLLUP_SYM		{}
7699
	| ROUTINE_SYM		{}
unknown's avatar
unknown committed
7700 7701 7702
	| ROWS_SYM		{}
	| ROW_FORMAT_SYM	{}
	| ROW_SYM		{}
unknown's avatar
unknown committed
7703
	| RTREE_SYM		{}
unknown's avatar
unknown committed
7704
	| SECOND_SYM		{}
7705
	| SERIAL_SYM		{}
unknown's avatar
unknown committed
7706 7707
	| SERIALIZABLE_SYM	{}
	| SESSION_SYM		{}
7708
	| SIMPLE_SYM		{}
unknown's avatar
unknown committed
7709
	| SHARE_SYM		{}
unknown's avatar
unknown committed
7710
	| SHUTDOWN		{}
7711
	| SNAPSHOT_SYM		{}
unknown's avatar
unknown committed
7712
	| SOUNDS_SYM		{}
unknown's avatar
unknown committed
7713
	| SQL_CACHE_SYM		{}
unknown's avatar
unknown committed
7714
	| SQL_BUFFER_RESULT	{}
unknown's avatar
unknown committed
7715
	| SQL_NO_CACHE_SYM	{}
unknown's avatar
unknown committed
7716
	| SQL_THREAD		{}
unknown's avatar
unknown committed
7717
	| STATUS_SYM		{}
unknown's avatar
unknown committed
7718
	| STORAGE_SYM		{}
unknown's avatar
unknown committed
7719
	| STRING_SYM		{}
unknown's avatar
unknown committed
7720
	| SUBDATE_SYM		{}
unknown's avatar
unknown committed
7721
	| SUBJECT_SYM		{}
unknown's avatar
unknown committed
7722
	| SUPER_SYM		{}
7723
        | SUSPEND_SYM           {}
7724
        | TABLES                {}
unknown's avatar
unknown committed
7725
	| TABLESPACE		{}
unknown's avatar
unknown committed
7726
	| TEMPORARY		{}
7727
	| TEMPTABLE_SYM		{}
unknown's avatar
unknown committed
7728
	| TEXT_SYM		{}
unknown's avatar
unknown committed
7729
	| TRANSACTION_SYM	{}
7730
	| TRIGGERS_SYM		{}
unknown's avatar
unknown committed
7731
	| TIMESTAMP		{}
7732 7733
	| TIMESTAMP_ADD		{}
	| TIMESTAMP_DIFF	{}
unknown's avatar
unknown committed
7734
	| TIME_SYM		{}
unknown's avatar
unknown committed
7735
	| TYPES_SYM		{}
7736
        | TYPE_SYM              {}
unknown's avatar
unknown committed
7737
        | UDF_RETURNS_SYM       {}
7738
	| FUNCTION_SYM		{}
unknown's avatar
unknown committed
7739
	| UNCOMMITTED_SYM	{}
7740
	| UNDEFINED_SYM		{}
7741
	| UNKNOWN_SYM		{}
7742
	| UNTIL_SYM		{}
7743
	| USER			{}
unknown's avatar
unknown committed
7744
	| USE_FRM		{}
unknown's avatar
unknown committed
7745
	| VARIABLES		{}
7746
	| VIEW_SYM		{}
7747
	| VALUE_SYM		{}
7748
	| WARNINGS		{}
7749
	| WEEK_SYM		{}
unknown's avatar
unknown committed
7750
	| WORK_SYM		{}
7751
	| X509_SYM		{}
unknown's avatar
unknown committed
7752 7753
	| YEAR_SYM		{}
	;
unknown's avatar
unknown committed
7754 7755 7756 7757 7758 7759

/* Option functions */

set:
	SET opt_option
	{
unknown's avatar
unknown committed
7760 7761
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_SET_OPTION;
unknown's avatar
unknown committed
7762
	  mysql_init_select(lex);
7763
	  lex->option_type=OPT_SESSION;
unknown's avatar
unknown committed
7764
	  lex->var_list.empty();
7765
          lex->one_shot_set= 0;
unknown's avatar
unknown committed
7766
	}
7767 7768 7769
	option_value_list
	{}
	;
unknown's avatar
unknown committed
7770 7771 7772

opt_option:
	/* empty */ {}
unknown's avatar
unknown committed
7773
	| OPTION {};
unknown's avatar
unknown committed
7774 7775

option_value_list:
7776 7777 7778 7779 7780 7781 7782 7783 7784 7785
	option_type_value
	| option_value_list ',' option_type_value;

option_type_value:
        {
          if (Lex->sphead)
          {
            /*
              If we are in SP we want have own LEX for each assignment.
              This is mostly because it is hard for several sp_instr_set
unknown's avatar
unknown committed
7786 7787
              and sp_instr_set_trigger instructions share one LEX.
              (Well, it is theoretically possible but adds some extra
7788 7789 7790 7791 7792 7793 7794 7795
               overhead on preparation for execution stage and IMO less
               robust).

              QQ: May be we should simply prohibit group assignments in SP?
            */
            LEX *lex;
            Lex->sphead->reset_lex(YYTHD);
            lex= Lex;
unknown's avatar
unknown committed
7796

7797 7798 7799 7800 7801 7802 7803 7804 7805
            /* Set new LEX as if we at start of set rule. */
	    lex->sql_command= SQLCOM_SET_OPTION;
	    mysql_init_select(lex);
	    lex->option_type=OPT_SESSION;
	    lex->var_list.empty();
            lex->one_shot_set= 0;
	    lex->sphead->m_tmp_query= lex->tok_start;
          }
        }
7806
	ext_option_value
7807 7808
        {
          LEX *lex= Lex;
unknown's avatar
unknown committed
7809

7810 7811 7812
          if (lex->sphead)
          {
            sp_head *sp= lex->sphead;
unknown's avatar
unknown committed
7813

7814 7815 7816 7817 7818 7819 7820 7821 7822
	    if (!lex->var_list.is_empty())
	    {
              /*
                We have assignment to user or system variable or
                option setting, so we should construct sp_instr_stmt
                for it.
              */
              LEX_STRING qbuff;
	      sp_instr_stmt *i;
unknown's avatar
unknown committed
7823

7824 7825 7826
              if (!(i= new sp_instr_stmt(sp->instructions(), lex->spcont,
                                         lex)))
                YYABORT;
unknown's avatar
unknown committed
7827

7828 7829 7830 7831
              if (lex->ptr - lex->tok_end > 1)
                qbuff.length= lex->ptr - sp->m_tmp_query;
              else
                qbuff.length= lex->tok_end - sp->m_tmp_query;
unknown's avatar
unknown committed
7832

7833 7834
              if (!(qbuff.str= alloc_root(YYTHD->mem_root, qbuff.length + 5)))
                YYABORT;
unknown's avatar
unknown committed
7835

7836 7837 7838 7839 7840 7841 7842 7843 7844
              strmake(strmake(qbuff.str, "SET ", 4), (char *)sp->m_tmp_query,
                      qbuff.length);
              qbuff.length+= 4;
              i->m_query= qbuff;
              sp->add_instr(i);
            }
            lex->sphead->restore_lex(YYTHD);
          }
        };
unknown's avatar
unknown committed
7845 7846

option_type:
7847 7848 7849 7850 7851 7852 7853 7854 7855
        option_type2    {}
	| GLOBAL_SYM	{ $$=OPT_GLOBAL; }
	| LOCAL_SYM	{ $$=OPT_SESSION; }
	| SESSION_SYM	{ $$=OPT_SESSION; }
	;

option_type2:
	/* empty */	{ $$= OPT_DEFAULT; }
	| ONE_SHOT_SYM	{ Lex->one_shot_set= 1; $$= OPT_SESSION; }
unknown's avatar
unknown committed
7856 7857 7858 7859
	;

opt_var_type:
	/* empty */	{ $$=OPT_SESSION; }
unknown's avatar
unknown committed
7860
	| GLOBAL_SYM	{ $$=OPT_GLOBAL; }
unknown's avatar
unknown committed
7861 7862 7863 7864 7865 7866
	| LOCAL_SYM	{ $$=OPT_SESSION; }
	| SESSION_SYM	{ $$=OPT_SESSION; }
	;

opt_var_ident_type:
	/* empty */		{ $$=OPT_DEFAULT; }
unknown's avatar
unknown committed
7867
	| GLOBAL_SYM '.'	{ $$=OPT_GLOBAL; }
unknown's avatar
unknown committed
7868 7869 7870
	| LOCAL_SYM '.'		{ $$=OPT_SESSION; }
	| SESSION_SYM '.'	{ $$=OPT_SESSION; }
	;
unknown's avatar
unknown committed
7871

7872 7873 7874
ext_option_value:
        sys_option_value
        | option_type2 option_value;
7875

7876 7877 7878 7879
sys_option_value:
        option_type internal_variable_name equal set_expr_or_default
        {
          LEX *lex=Lex;
7880

7881 7882 7883 7884
          if ($2.var == &trg_new_row_fake_var)
          {
            /* We are in trigger and assigning value to field of new row */
            Item *it;
7885
            Item_trigger_field *trg_fld;
7886 7887
            sp_instr_set_trigger_field *sp_fld;
	    LINT_INIT(sp_fld);
7888 7889 7890 7891
            if ($1)
            {
              yyerror(ER(ER_SYNTAX_ERROR));
              YYABORT;
7892
            }
7893 7894
            if ($4)
              it= $4;
7895
            else
7896 7897 7898 7899
            {
              /* QQ: Shouldn't this be field's default value ? */
              it= new Item_null();
            }
7900

unknown's avatar
unknown committed
7901
            if (!(trg_fld= new Item_trigger_field(Lex->current_context(),
7902
                                                  Item_trigger_field::NEW_ROW,
7903
                                                  $2.base_name.str)) ||
7904 7905 7906 7907 7908
                !(sp_fld= new sp_instr_set_trigger_field(lex->sphead->
                          	                         instructions(),
                                	                 lex->spcont,
							 trg_fld,
                                        	         it, lex)))
7909
              YYABORT;
7910

7911 7912 7913 7914
            /*
              Let us add this item to list of all Item_trigger_field
              objects in trigger.
            */
7915 7916
            lex->trg_table_fields.link_in_list((byte *)trg_fld,
                                    (byte **)&trg_fld->next_trg_field);
7917

7918
            lex->sphead->add_instr(sp_fld);
7919 7920 7921 7922
          }
          else if ($2.var)
          { /* System variable */
            if ($1)
7923
              lex->option_type= $1;
7924 7925 7926 7927 7928 7929 7930 7931
            lex->var_list.push_back(new set_var(lex->option_type, $2.var,
                                    &$2.base_name, $4));
          }
          else
          {
            /* An SP local variable */
            sp_pcontext *ctx= lex->spcont;
            sp_pvar_t *spv;
7932
            sp_instr_set *sp_set;
7933 7934 7935 7936 7937 7938 7939 7940 7941 7942 7943 7944 7945 7946 7947
            Item *it;
            if ($1)
            {
              yyerror(ER(ER_SYNTAX_ERROR));
              YYABORT;
            }

            spv= ctx->find_pvar(&$2.base_name);

            if ($4)
              it= $4;
            else if (spv->dflt)
              it= spv->dflt;
            else
              it= new Item_null();
7948 7949 7950
            sp_set= new sp_instr_set(lex->sphead->instructions(), ctx,
                                     spv->offset, it, spv->type, lex, TRUE);
            lex->sphead->add_instr(sp_set);
7951 7952 7953 7954 7955
          }
        }
        | option_type TRANSACTION_SYM ISOLATION LEVEL_SYM isolation_types
	{
	  LEX *lex=Lex;
7956
          if ($1)
7957
            lex->option_type= $1;
7958 7959 7960 7961 7962 7963 7964 7965 7966 7967 7968 7969
	  lex->var_list.push_back(new set_var(lex->option_type,
                                              find_sys_var("tx_isolation"),
                                              &null_lex_str,
                                              new Item_int((int32) $5)));
	}
        ;

option_value:
	'@' ident_or_text equal expr
	{
          Lex->var_list.push_back(new set_var_user(new Item_func_set_user_var($2,$4)));
	}
unknown's avatar
unknown committed
7970
	| '@' '@' opt_var_ident_type internal_variable_name equal set_expr_or_default
unknown's avatar
unknown committed
7971 7972
	  {
	    LEX *lex=Lex;
7973
	    lex->var_list.push_back(new set_var($3, $4.var, &$4.base_name, $6));
unknown's avatar
unknown committed
7974
	  }
7975
	| charset old_or_new_charset_name_or_default
unknown's avatar
unknown committed
7976
	{
unknown's avatar
unknown committed
7977
	  THD *thd= YYTHD;
unknown's avatar
unknown committed
7978
	  LEX *lex= Lex;
7979
	  $2= $2 ? $2: global_system_variables.character_set_client;
7980
	  lex->var_list.push_back(new set_var_collation_client($2,thd->variables.collation_database,$2));
unknown's avatar
unknown committed
7981
	}
7982 7983 7984 7985 7986 7987 7988 7989 7990 7991
        | NAMES_SYM equal expr
	  {
	    LEX *lex= Lex;
            sp_pcontext *spc= lex->spcont;
	    LEX_STRING names;

	    names.str= (char *)"names";
	    names.length= 5;
	    if (spc && spc->find_pvar(&names))
              my_error(ER_SP_BAD_VAR_SHADOW, MYF(0), names.str);
7992 7993 7994
            else
              yyerror(ER(ER_SYNTAX_ERROR));

7995 7996
	    YYABORT;
	  }
7997
	| NAMES_SYM charset_name_or_default opt_collate
7998
	{
unknown's avatar
unknown committed
7999
	  LEX *lex= Lex;
8000
	  $2= $2 ? $2 : global_system_variables.character_set_client;
8001 8002
	  $3= $3 ? $3 : $2;
	  if (!my_charset_same($2,$3))
8003
	  {
8004 8005
	    my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                     $3->name, $2->csname);
unknown's avatar
unknown committed
8006
	    YYABORT;
8007
	  }
8008
	  lex->var_list.push_back(new set_var_collation_client($3,$3,$3));
8009
	}
unknown's avatar
unknown committed
8010
	| PASSWORD equal text_or_password
unknown's avatar
unknown committed
8011
	  {
8012
	    THD *thd=YYTHD;
unknown's avatar
unknown committed
8013
	    LEX_USER *user;
8014 8015 8016 8017 8018 8019 8020 8021 8022 8023 8024
	    LEX *lex= Lex;	    
            sp_pcontext *spc= lex->spcont;
	    LEX_STRING pw;

	    pw.str= (char *)"password";
	    pw.length= 8;
	    if (spc && spc->find_pvar(&pw))
	    {
              my_error(ER_SP_BAD_VAR_SHADOW, MYF(0), pw.str);
	      YYABORT;
	    }
unknown's avatar
unknown committed
8025
	    if (!(user=(LEX_USER*) thd->alloc(sizeof(LEX_USER))))
unknown's avatar
unknown committed
8026
	      YYABORT;
8027
	    user->host=null_lex_str;
8028
	    user->user.str=thd->security_ctx->priv_user;
8029
	    thd->lex->var_list.push_back(new set_var_password(user, $3));
unknown's avatar
unknown committed
8030 8031
	  }
	| PASSWORD FOR_SYM user equal text_or_password
unknown's avatar
unknown committed
8032
	  {
unknown's avatar
unknown committed
8033 8034
	    Lex->var_list.push_back(new set_var_password($3,$5));
	  }
8035
	;
unknown's avatar
unknown committed
8036

unknown's avatar
unknown committed
8037 8038 8039
internal_variable_name:
	ident
	{
8040 8041 8042 8043 8044 8045 8046 8047 8048 8049 8050 8051
	  LEX *lex= Lex;
          sp_pcontext *spc= lex->spcont;
	  sp_pvar_t *spv;

	  /* We have to lookup here since local vars can shadow sysvars */
	  if (!spc || !(spv = spc->find_pvar(&$1)))
	  {
            /* Not an SP local variable */
	    sys_var *tmp=find_sys_var($1.str, $1.length);
	    if (!tmp)
	      YYABORT;
	    $$.var= tmp;
8052
	    $$.base_name= null_lex_str;
8053 8054 8055 8056
            /*
              If this is time_zone variable we should open time zone
              describing tables 
            */
8057 8058 8059
            if (tmp == &sys_time_zone &&
                lex->add_time_zone_tables_to_query_tables(YYTHD))
              YYABORT;
8060 8061 8062 8063 8064 8065 8066 8067
            else if (spc && tmp == &sys_autocommit)
            {
              /*
                We don't allow setting AUTOCOMMIT from a stored function
		or trigger.
              */
              lex->sphead->m_flags|= sp_head::HAS_SET_AUTOCOMMIT_STMT;
            }
8068 8069 8070 8071 8072 8073 8074
	  }
	  else
	  {
            /* An SP local variable */
	    $$.var= NULL;
	    $$.base_name= $1;
	  }
unknown's avatar
unknown committed
8075
	}
8076 8077
	| ident '.' ident
	  {
8078
            LEX *lex= Lex;
8079 8080
            if (check_reserved_words(&$1))
            {
8081
	      yyerror(ER(ER_SYNTAX_ERROR));
8082 8083
              YYABORT;
            }
8084 8085 8086 8087 8088 8089
            if (lex->sphead && lex->sphead->m_type == TYPE_ENUM_TRIGGER &&
                (!my_strcasecmp(system_charset_info, $1.str, "NEW") || 
                 !my_strcasecmp(system_charset_info, $1.str, "OLD")))
            {
              if ($1.str[0]=='O' || $1.str[0]=='o')
              {
unknown's avatar
unknown committed
8090
                my_error(ER_TRG_CANT_CHANGE_ROW, MYF(0), "OLD", "");
8091 8092 8093 8094
                YYABORT;
              }
              if (lex->trg_chistics.event == TRG_EVENT_DELETE)
              {
unknown's avatar
unknown committed
8095 8096
                my_error(ER_TRG_NO_SUCH_ROW_IN_TRG, MYF(0),
                         "NEW", "on DELETE");
8097 8098 8099 8100
                YYABORT;
              }
              if (lex->trg_chistics.action_time == TRG_ACTION_AFTER)
              {
unknown's avatar
unknown committed
8101
                my_error(ER_TRG_CANT_CHANGE_ROW, MYF(0), "NEW", "after ");
8102 8103 8104 8105 8106 8107 8108 8109 8110 8111 8112 8113
                YYABORT;
              }
              /* This special combination will denote field of NEW row */
              $$.var= &trg_new_row_fake_var;
              $$.base_name= $3;
            }
            else
            {
              sys_var *tmp=find_sys_var($3.str, $3.length);
              if (!tmp)
                YYABORT;
              if (!tmp->is_struct())
8114
                my_error(ER_VARIABLE_IS_NOT_STRUCT, MYF(0), $3.str);
8115 8116 8117
              $$.var= tmp;
              $$.base_name= $1;
            }
8118 8119 8120 8121 8122 8123 8124
	  }
	| DEFAULT '.' ident
	  {
	    sys_var *tmp=find_sys_var($3.str, $3.length);
	    if (!tmp)
	      YYABORT;
	    if (!tmp->is_struct())
8125
	      my_error(ER_VARIABLE_IS_NOT_STRUCT, MYF(0), $3.str);
unknown's avatar
unknown committed
8126 8127 8128
	    $$.var= tmp;
	    $$.base_name.str=    (char*) "default";
	    $$.base_name.length= 7;
8129
	  }
8130
        ;
unknown's avatar
unknown committed
8131 8132 8133 8134 8135 8136 8137

isolation_types:
	READ_SYM UNCOMMITTED_SYM	{ $$= ISO_READ_UNCOMMITTED; }
	| READ_SYM COMMITTED_SYM	{ $$= ISO_READ_COMMITTED; }
	| REPEATABLE_SYM READ_SYM	{ $$= ISO_REPEATABLE_READ; }
	| SERIALIZABLE_SYM		{ $$= ISO_SERIALIZABLE; }
	;
8138

unknown's avatar
unknown committed
8139 8140 8141 8142
text_or_password:
	TEXT_STRING { $$=$1.str;}
	| PASSWORD '(' TEXT_STRING ')'
	  {
8143
	    $$= $3.length ? YYTHD->variables.old_passwords ?
unknown's avatar
unknown committed
8144 8145 8146 8147 8148 8149 8150 8151
	        Item_func_old_password::alloc(YYTHD, $3.str) :
	        Item_func_password::alloc(YYTHD, $3.str) :
	      $3.str;
	  }
	| OLD_PASSWORD '(' TEXT_STRING ')'
	  {
	    $$= $3.length ? Item_func_old_password::alloc(YYTHD, $3.str) :
	      $3.str;
8152 8153
	  }
          ;
unknown's avatar
unknown committed
8154

unknown's avatar
unknown committed
8155

unknown's avatar
unknown committed
8156
set_expr_or_default:
unknown's avatar
unknown committed
8157 8158
	expr      { $$=$1; }
	| DEFAULT { $$=0; }
8159 8160
	| ON	  { $$=new Item_string("ON",  2, system_charset_info); }
	| ALL	  { $$=new Item_string("ALL", 3, system_charset_info); }
unknown's avatar
unknown committed
8161
	| BINARY  { $$=new Item_string("binary", 6, system_charset_info); }
unknown's avatar
unknown committed
8162
	;
unknown's avatar
unknown committed
8163 8164


unknown's avatar
unknown committed
8165 8166 8167 8168 8169
/* Lock function */

lock:
	LOCK_SYM table_or_tables
	{
8170 8171 8172 8173
	  LEX *lex= Lex;

	  if (lex->sphead)
	  {
8174
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "LOCK");
8175 8176 8177
	    YYABORT;
	  }
	  lex->sql_command= SQLCOM_LOCK_TABLES;
unknown's avatar
unknown committed
8178
	}
8179 8180
	table_lock_list
	{}
8181
	;
unknown's avatar
unknown committed
8182 8183 8184

table_or_tables:
	TABLE_SYM
unknown's avatar
unknown committed
8185
	| TABLES;
unknown's avatar
unknown committed
8186 8187 8188

table_lock_list:
	table_lock
unknown's avatar
unknown committed
8189
	| table_lock_list ',' table_lock;
unknown's avatar
unknown committed
8190 8191 8192

table_lock:
	table_ident opt_table_alias lock_option
8193
	{
unknown's avatar
unknown committed
8194
	  if (!Select->add_table_to_list(YYTHD, $1, $2, 0, (thr_lock_type) $3))
8195 8196
	   YYABORT;
	}
8197
        ;
unknown's avatar
unknown committed
8198 8199 8200

lock_option:
	READ_SYM	{ $$=TL_READ_NO_INSERT; }
8201
	| WRITE_SYM     { $$=YYTHD->update_lock_default; }
unknown's avatar
unknown committed
8202
	| LOW_PRIORITY WRITE_SYM { $$=TL_WRITE_LOW_PRIORITY; }
8203 8204
	| READ_SYM LOCAL_SYM { $$= TL_READ; }
        ;
unknown's avatar
unknown committed
8205 8206

unlock:
8207 8208 8209 8210 8211 8212
	UNLOCK_SYM
	{
	  LEX *lex= Lex;

	  if (lex->sphead)
	  {
8213
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "UNLOCK");
8214 8215 8216 8217 8218 8219
	    YYABORT;
	  }
	  lex->sql_command= SQLCOM_UNLOCK_TABLES;
	}
	table_or_tables
	{}
8220
        ;
unknown's avatar
unknown committed
8221 8222


8223
/*
unknown's avatar
unknown committed
8224
** Handler: direct access to ISAM functions
8225 8226 8227 8228 8229
*/

handler:
	HANDLER_SYM table_ident OPEN_SYM opt_table_alias
	{
8230
	  LEX *lex= Lex;
8231 8232 8233 8234 8235
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "HANDLER");
	    YYABORT;
	  }
8236
	  lex->sql_command = SQLCOM_HA_OPEN;
unknown's avatar
unknown committed
8237
	  if (!lex->current_select->add_table_to_list(lex->thd, $2, $4, 0))
8238 8239
	    YYABORT;
	}
unknown's avatar
unknown committed
8240
	| HANDLER_SYM table_ident_nodb CLOSE_SYM
8241
	{
8242
	  LEX *lex= Lex;
8243 8244 8245 8246 8247
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "HANDLER");
	    YYABORT;
	  }
8248
	  lex->sql_command = SQLCOM_HA_CLOSE;
unknown's avatar
unknown committed
8249
	  if (!lex->current_select->add_table_to_list(lex->thd, $2, 0, 0))
8250 8251
	    YYABORT;
	}
unknown's avatar
unknown committed
8252
	| HANDLER_SYM table_ident_nodb READ_SYM
8253
	{
unknown's avatar
unknown committed
8254
	  LEX *lex=Lex;
8255 8256 8257 8258 8259
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "HANDLER");
	    YYABORT;
	  }
unknown's avatar
unknown committed
8260 8261
	  lex->sql_command = SQLCOM_HA_READ;
	  lex->ha_rkey_mode= HA_READ_KEY_EXACT;	/* Avoid purify warnings */
8262
	  lex->current_select->select_limit= new Item_int((int32) 1);
8263
	  lex->current_select->offset_limit= 0;
unknown's avatar
unknown committed
8264
	  if (!lex->current_select->add_table_to_list(lex->thd, $2, 0, 0))
8265
	    YYABORT;
unknown's avatar
unknown committed
8266
        }
8267
        handler_read_or_scan where_clause opt_limit_clause {}
8268
        ;
8269

unknown's avatar
unknown committed
8270
handler_read_or_scan:
8271 8272
	handler_scan_function         { Lex->ident= null_lex_str; }
        | ident handler_rkey_function { Lex->ident= $1; }
8273
        ;
unknown's avatar
unknown committed
8274 8275 8276

handler_scan_function:
	FIRST_SYM  { Lex->ha_read_mode = RFIRST; }
8277 8278
	| NEXT_SYM { Lex->ha_read_mode = RNEXT;  }
        ;
unknown's avatar
unknown committed
8279 8280 8281 8282 8283 8284

handler_rkey_function:
	FIRST_SYM  { Lex->ha_read_mode = RFIRST; }
	| NEXT_SYM { Lex->ha_read_mode = RNEXT;  }
	| PREV_SYM { Lex->ha_read_mode = RPREV;  }
	| LAST_SYM { Lex->ha_read_mode = RLAST;  }
8285 8286
	| handler_rkey_mode
	{
unknown's avatar
unknown committed
8287 8288
	  LEX *lex=Lex;
	  lex->ha_read_mode = RKEY;
unknown's avatar
unknown committed
8289
	  lex->ha_rkey_mode=$1;
unknown's avatar
unknown committed
8290
	  if (!(lex->insert_list = new List_item))
8291
	    YYABORT;
8292 8293
	} '(' values ')' { }
        ;
8294 8295

handler_rkey_mode:
unknown's avatar
unknown committed
8296 8297 8298 8299
	  EQ     { $$=HA_READ_KEY_EXACT;   }
	| GE     { $$=HA_READ_KEY_OR_NEXT; }
	| LE     { $$=HA_READ_KEY_OR_PREV; }
	| GT_SYM { $$=HA_READ_AFTER_KEY;   }
8300 8301
	| LT     { $$=HA_READ_BEFORE_KEY;  }
        ;
8302

unknown's avatar
unknown committed
8303 8304 8305
/* GRANT / REVOKE */

revoke:
8306
	REVOKE clear_privileges revoke_command
8307 8308 8309 8310
	{}
        ;

revoke_command:
8311
	grant_privileges ON opt_table grant_ident FROM grant_list
8312
	{
8313 8314 8315 8316 8317 8318 8319 8320 8321 8322 8323 8324 8325 8326 8327 8328 8329 8330 8331 8332 8333 8334 8335 8336 8337 8338 8339 8340
          LEX *lex= Lex;
	  lex->sql_command= SQLCOM_REVOKE;
          lex->type= 0;
        }
        |
        grant_privileges ON FUNCTION_SYM grant_ident FROM grant_list
        {
          LEX *lex= Lex;
          if (lex->columns.elements)
          {
            yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
          }
	  lex->sql_command= SQLCOM_REVOKE;
          lex->type= TYPE_ENUM_FUNCTION;
          
        }
	|
        grant_privileges ON PROCEDURE grant_ident FROM grant_list
        {
          LEX *lex= Lex;
          if (lex->columns.elements)
          {
            yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
          }
	  lex->sql_command= SQLCOM_REVOKE;
          lex->type= TYPE_ENUM_PROCEDURE;
8341
        }
8342
	|
8343
	ALL opt_privileges ',' GRANT OPTION FROM grant_list
8344 8345 8346
	{
	  Lex->sql_command = SQLCOM_REVOKE_ALL;
	}
8347
	;
unknown's avatar
unknown committed
8348 8349

grant:
8350 8351 8352 8353 8354 8355
	GRANT clear_privileges grant_command
	{}
        ;

grant_command:
	grant_privileges ON opt_table grant_ident TO_SYM grant_list
8356
	require_clause grant_options
8357 8358 8359 8360 8361 8362 8363 8364 8365 8366 8367 8368 8369 8370 8371 8372 8373 8374 8375 8376 8377 8378 8379 8380 8381 8382 8383 8384 8385 8386 8387 8388
	{
          LEX *lex= Lex;
          lex->sql_command= SQLCOM_GRANT;
          lex->type= 0;
        }
        |
	grant_privileges ON FUNCTION_SYM grant_ident TO_SYM grant_list
	require_clause grant_options
	{
          LEX *lex= Lex;
          if (lex->columns.elements)
          {
            yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
          }
          lex->sql_command= SQLCOM_GRANT;
          lex->type= TYPE_ENUM_FUNCTION;
        }
        |
	grant_privileges ON PROCEDURE grant_ident TO_SYM grant_list
	require_clause grant_options
	{
          LEX *lex= Lex;
          if (lex->columns.elements)
          {
            yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
          }
          lex->sql_command= SQLCOM_GRANT;
          lex->type= TYPE_ENUM_PROCEDURE;
        }
        ;
unknown's avatar
unknown committed
8389

8390 8391 8392 8393
opt_table:
	/* Empty */
	| TABLE_SYM ;
        
unknown's avatar
unknown committed
8394
grant_privileges:
8395 8396 8397 8398 8399 8400
	object_privilege_list { }
	| ALL opt_privileges
        { 
          Lex->all_privileges= 1; 
          Lex->grant= GLOBAL_ACLS;
        }
8401
        ;
unknown's avatar
unknown committed
8402

unknown's avatar
unknown committed
8403 8404 8405 8406 8407
opt_privileges:
	/* empty */
	| PRIVILEGES
	;

8408 8409 8410
object_privilege_list:
	object_privilege
	| object_privilege_list ',' object_privilege;
unknown's avatar
unknown committed
8411

8412
object_privilege:
unknown's avatar
unknown committed
8413
	SELECT_SYM	{ Lex->which_columns = SELECT_ACL;} opt_column_list {}
8414 8415 8416
	| INSERT	{ Lex->which_columns = INSERT_ACL;} opt_column_list {}
	| UPDATE_SYM	{ Lex->which_columns = UPDATE_ACL; } opt_column_list {}
	| REFERENCES	{ Lex->which_columns = REFERENCES_ACL;} opt_column_list {}
unknown's avatar
unknown committed
8417 8418
	| DELETE_SYM	{ Lex->grant |= DELETE_ACL;}
	| USAGE		{}
unknown's avatar
unknown committed
8419
	| INDEX_SYM	{ Lex->grant |= INDEX_ACL;}
unknown's avatar
unknown committed
8420 8421 8422
	| ALTER		{ Lex->grant |= ALTER_ACL;}
	| CREATE	{ Lex->grant |= CREATE_ACL;}
	| DROP		{ Lex->grant |= DROP_ACL;}
unknown's avatar
unknown committed
8423
	| EXECUTE_SYM	{ Lex->grant |= EXECUTE_ACL;}
unknown's avatar
unknown committed
8424 8425 8426 8427
	| RELOAD	{ Lex->grant |= RELOAD_ACL;}
	| SHUTDOWN	{ Lex->grant |= SHUTDOWN_ACL;}
	| PROCESS	{ Lex->grant |= PROCESS_ACL;}
	| FILE_SYM	{ Lex->grant |= FILE_ACL;}
unknown's avatar
unknown committed
8428 8429 8430 8431 8432
	| GRANT OPTION  { Lex->grant |= GRANT_ACL;}
	| SHOW DATABASES { Lex->grant |= SHOW_DB_ACL;}
	| SUPER_SYM	{ Lex->grant |= SUPER_ACL;}
	| CREATE TEMPORARY TABLES { Lex->grant |= CREATE_TMP_ACL;}
	| LOCK_SYM TABLES   { Lex->grant |= LOCK_TABLES_ACL; }
8433 8434 8435 8436
	| REPLICATION SLAVE  { Lex->grant |= REPL_SLAVE_ACL; }
	| REPLICATION CLIENT_SYM { Lex->grant |= REPL_CLIENT_ACL; }
	| CREATE VIEW_SYM { Lex->grant |= CREATE_VIEW_ACL; }
	| SHOW VIEW_SYM { Lex->grant |= SHOW_VIEW_ACL; }
8437 8438
	| CREATE ROUTINE_SYM { Lex->grant |= CREATE_PROC_ACL; }
	| ALTER ROUTINE_SYM { Lex->grant |= ALTER_PROC_ACL; }
8439
	| CREATE USER { Lex->grant |= CREATE_USER_ACL; }
unknown's avatar
unknown committed
8440
	;
unknown's avatar
unknown committed
8441

unknown's avatar
unknown committed
8442

8443 8444
opt_and:
	/* empty */	{}
unknown's avatar
unknown committed
8445
	| AND_SYM	{}
8446 8447 8448 8449 8450 8451 8452 8453 8454
	;

require_list:
	 require_list_element opt_and require_list
	 | require_list_element
	 ;

require_list_element:
	SUBJECT_SYM TEXT_STRING
unknown's avatar
unknown committed
8455 8456 8457 8458
	{
	  LEX *lex=Lex;
	  if (lex->x509_subject)
	  {
unknown's avatar
unknown committed
8459
	    my_error(ER_DUP_ARGUMENT, MYF(0), "SUBJECT");
unknown's avatar
unknown committed
8460 8461 8462 8463 8464 8465 8466 8467 8468
	    YYABORT;
	  }
	  lex->x509_subject=$2.str;
	}
	| ISSUER_SYM TEXT_STRING
	{
	  LEX *lex=Lex;
	  if (lex->x509_issuer)
	  {
unknown's avatar
unknown committed
8469
	    my_error(ER_DUP_ARGUMENT, MYF(0), "ISSUER");
unknown's avatar
unknown committed
8470 8471 8472 8473 8474 8475 8476 8477 8478
	    YYABORT;
	  }
	  lex->x509_issuer=$2.str;
	}
	| CIPHER_SYM TEXT_STRING
	{
	  LEX *lex=Lex;
	  if (lex->ssl_cipher)
	  {
unknown's avatar
unknown committed
8479
	    my_error(ER_DUP_ARGUMENT, MYF(0), "CIPHER");
unknown's avatar
unknown committed
8480 8481 8482 8483 8484
	    YYABORT;
	  }
	  lex->ssl_cipher=$2.str;
	}
	;
8485

8486
grant_ident:
unknown's avatar
unknown committed
8487 8488
	'*'
	  {
8489
	    LEX *lex= Lex;
unknown's avatar
unknown committed
8490
	    lex->current_select->db= lex->thd->db;
unknown's avatar
unknown committed
8491
	    if (lex->grant == GLOBAL_ACLS)
unknown's avatar
unknown committed
8492 8493
	      lex->grant = DB_ACLS & ~GRANT_ACL;
	    else if (lex->columns.elements)
unknown's avatar
unknown committed
8494
	    {
unknown's avatar
unknown committed
8495 8496
	      my_message(ER_ILLEGAL_GRANT_FOR_TABLE,
                         ER(ER_ILLEGAL_GRANT_FOR_TABLE), MYF(0));
8497
	      YYABORT;
unknown's avatar
unknown committed
8498
	    }
unknown's avatar
unknown committed
8499 8500 8501
	  }
	| ident '.' '*'
	  {
8502
	    LEX *lex= Lex;
unknown's avatar
unknown committed
8503
	    lex->current_select->db = $1.str;
unknown's avatar
unknown committed
8504
	    if (lex->grant == GLOBAL_ACLS)
unknown's avatar
unknown committed
8505 8506
	      lex->grant = DB_ACLS & ~GRANT_ACL;
	    else if (lex->columns.elements)
unknown's avatar
unknown committed
8507
	    {
unknown's avatar
unknown committed
8508 8509
	      my_message(ER_ILLEGAL_GRANT_FOR_TABLE,
                         ER(ER_ILLEGAL_GRANT_FOR_TABLE), MYF(0));
unknown's avatar
unknown committed
8510 8511 8512 8513 8514
	      YYABORT;
	    }
	  }
	| '*' '.' '*'
	  {
8515
	    LEX *lex= Lex;
unknown's avatar
unknown committed
8516
	    lex->current_select->db = NULL;
unknown's avatar
unknown committed
8517 8518
	    if (lex->grant == GLOBAL_ACLS)
	      lex->grant= GLOBAL_ACLS & ~GRANT_ACL;
unknown's avatar
unknown committed
8519
	    else if (lex->columns.elements)
unknown's avatar
unknown committed
8520
	    {
unknown's avatar
unknown committed
8521 8522
	      my_message(ER_ILLEGAL_GRANT_FOR_TABLE,
                         ER(ER_ILLEGAL_GRANT_FOR_TABLE), MYF(0));
unknown's avatar
unknown committed
8523 8524 8525 8526 8527
	      YYABORT;
	    }
	  }
	| table_ident
	  {
unknown's avatar
unknown committed
8528
	    LEX *lex=Lex;
unknown's avatar
unknown committed
8529
	    if (!lex->current_select->add_table_to_list(lex->thd, $1,NULL,0))
unknown's avatar
unknown committed
8530
	      YYABORT;
unknown's avatar
unknown committed
8531
	    if (lex->grant == GLOBAL_ACLS)
unknown's avatar
unknown committed
8532
	      lex->grant =  TABLE_ACLS & ~GRANT_ACL;
8533 8534
	  }
          ;
unknown's avatar
unknown committed
8535 8536 8537


user_list:
8538 8539 8540 8541 8542 8543 8544 8545 8546 8547
	user  { if (Lex->users_list.push_back($1)) YYABORT;}
	| user_list ',' user
	  {
	    if (Lex->users_list.push_back($3))
	      YYABORT;
	  }
	;


grant_list:
8548
	grant_user  { if (Lex->users_list.push_back($1)) YYABORT;}
8549
	| grant_list ',' grant_user
8550 8551 8552 8553 8554
	  {
	    if (Lex->users_list.push_back($3))
	      YYABORT;
	  }
	;
unknown's avatar
unknown committed
8555 8556 8557 8558 8559 8560 8561 8562


grant_user:
	user IDENTIFIED_SYM BY TEXT_STRING
	{
	   $$=$1; $1->password=$4;
	   if ($4.length)
	   {
8563
             if (YYTHD->variables.old_passwords)
8564 8565 8566 8567 8568 8569 8570 8571 8572 8573 8574 8575 8576 8577 8578 8579 8580
             {
               char *buff= 
                 (char *) YYTHD->alloc(SCRAMBLED_PASSWORD_CHAR_LENGTH_323+1);
               if (buff)
                 make_scrambled_password_323(buff, $4.str);
               $1->password.str= buff;
               $1->password.length= SCRAMBLED_PASSWORD_CHAR_LENGTH_323;
             }
             else
             {
               char *buff= 
                 (char *) YYTHD->alloc(SCRAMBLED_PASSWORD_CHAR_LENGTH+1);
               if (buff)
                 make_scrambled_password(buff, $4.str);
               $1->password.str= buff;
               $1->password.length= SCRAMBLED_PASSWORD_CHAR_LENGTH;
             }
unknown's avatar
unknown committed
8581 8582 8583
	  }
	}
	| user IDENTIFIED_SYM BY PASSWORD TEXT_STRING
8584
	  { $$= $1; $1->password= $5; }
unknown's avatar
unknown committed
8585
	| user
8586
	  { $$= $1; $1->password= null_lex_str; }
8587
        ;
unknown's avatar
unknown committed
8588 8589 8590


opt_column_list:
unknown's avatar
unknown committed
8591 8592 8593 8594 8595
	/* empty */
	{
	  LEX *lex=Lex;
	  lex->grant |= lex->which_columns;
	}
unknown's avatar
unknown committed
8596
	| '(' column_list ')';
unknown's avatar
unknown committed
8597 8598 8599

column_list:
	column_list ',' column_list_id
unknown's avatar
unknown committed
8600
	| column_list_id;
unknown's avatar
unknown committed
8601 8602 8603 8604

column_list_id:
	ident
	{
unknown's avatar
unknown committed
8605
	  String *new_str = new (YYTHD->mem_root) String((const char*) $1.str,$1.length,system_charset_info);
unknown's avatar
unknown committed
8606 8607
	  List_iterator <LEX_COLUMN> iter(Lex->columns);
	  class LEX_COLUMN *point;
unknown's avatar
unknown committed
8608
	  LEX *lex=Lex;
unknown's avatar
unknown committed
8609 8610
	  while ((point=iter++))
	  {
8611 8612
	    if (!my_strcasecmp(system_charset_info,
                               point->column.ptr(), new_str->ptr()))
unknown's avatar
unknown committed
8613 8614
		break;
	  }
unknown's avatar
unknown committed
8615
	  lex->grant_tot_col|= lex->which_columns;
unknown's avatar
unknown committed
8616
	  if (point)
unknown's avatar
unknown committed
8617
	    point->rights |= lex->which_columns;
unknown's avatar
unknown committed
8618
	  else
unknown's avatar
unknown committed
8619
	    lex->columns.push_back(new LEX_COLUMN (*new_str,lex->which_columns));
8620 8621
	}
        ;
unknown's avatar
unknown committed
8622

unknown's avatar
unknown committed
8623 8624

require_clause: /* empty */
8625
        | REQUIRE_SYM require_list
8626 8627 8628
          {
            Lex->ssl_type=SSL_TYPE_SPECIFIED;
          }
8629
        | REQUIRE_SYM SSL_SYM
8630 8631 8632
          {
            Lex->ssl_type=SSL_TYPE_ANY;
          }
8633
        | REQUIRE_SYM X509_SYM
8634 8635 8636 8637 8638 8639 8640
          {
            Lex->ssl_type=SSL_TYPE_X509;
          }
	| REQUIRE_SYM NONE_SYM
	  {
	    Lex->ssl_type=SSL_TYPE_NONE;
	  }
8641
          ;
unknown's avatar
unknown committed
8642

unknown's avatar
unknown committed
8643
grant_options:
unknown's avatar
unknown committed
8644
	/* empty */ {}
unknown's avatar
unknown committed
8645
	| WITH grant_option_list;
unknown's avatar
unknown committed
8646

unknown's avatar
unknown committed
8647 8648
grant_option_list:
	grant_option_list grant_option {}
8649 8650
	| grant_option {}
        ;
unknown's avatar
unknown committed
8651 8652 8653

grant_option:
	GRANT OPTION { Lex->grant |= GRANT_ACL;}
unknown's avatar
unknown committed
8654
        | MAX_QUERIES_PER_HOUR ulong_num
unknown's avatar
unknown committed
8655
        {
unknown's avatar
unknown committed
8656 8657 8658
	  LEX *lex=Lex;
	  lex->mqh.questions=$2;
	  lex->mqh.specified_limits|= USER_RESOURCES::QUERIES_PER_HOUR;
8659
	}
unknown's avatar
unknown committed
8660
        | MAX_UPDATES_PER_HOUR ulong_num
8661
        {
unknown's avatar
unknown committed
8662 8663 8664
	  LEX *lex=Lex;
	  lex->mqh.updates=$2;
	  lex->mqh.specified_limits|= USER_RESOURCES::UPDATES_PER_HOUR;
8665
	}
unknown's avatar
unknown committed
8666
        | MAX_CONNECTIONS_PER_HOUR ulong_num
8667
        {
unknown's avatar
unknown committed
8668 8669 8670
	  LEX *lex=Lex;
	  lex->mqh.conn_per_hour= $2;
	  lex->mqh.specified_limits|= USER_RESOURCES::CONNECTIONS_PER_HOUR;
8671
	}
unknown's avatar
unknown committed
8672
        | MAX_USER_CONNECTIONS_SYM ulong_num
8673
        {
unknown's avatar
unknown committed
8674 8675 8676
	  LEX *lex=Lex;
          lex->mqh.user_conn= $2;
          lex->mqh.specified_limits|= USER_RESOURCES::USER_CONNECTIONS;
8677 8678
	}
        ;
8679

unknown's avatar
unknown committed
8680
begin:
unknown's avatar
unknown committed
8681 8682 8683 8684 8685 8686 8687
	BEGIN_SYM  
        {
	  LEX *lex=Lex;
          lex->sql_command = SQLCOM_BEGIN;
          lex->start_transaction_opt= 0;
        }
        opt_work {}
8688
	;
unknown's avatar
unknown committed
8689 8690 8691

opt_work:
	/* empty */ {}
unknown's avatar
unknown committed
8692
	| WORK_SYM  {}
8693
        ;
unknown's avatar
unknown committed
8694

unknown's avatar
unknown committed
8695
opt_chain:
unknown's avatar
unknown committed
8696
	/* empty */ { $$= (YYTHD->variables.completion_type == 1); }
unknown's avatar
unknown committed
8697 8698 8699 8700 8701
	| AND_SYM NO_SYM CHAIN_SYM	{ $$=0; }
	| AND_SYM CHAIN_SYM		{ $$=1; }
	;

opt_release:
unknown's avatar
unknown committed
8702
	/* empty */ { $$= (YYTHD->variables.completion_type == 2); }
unknown's avatar
unknown committed
8703 8704 8705 8706 8707 8708 8709 8710 8711
	| RELEASE_SYM 			{ $$=1; }
	| NO_SYM RELEASE_SYM 		{ $$=0; }
	;
	
opt_savepoint:
	/* empty */	{}
	| SAVEPOINT_SYM {}
	;

unknown's avatar
unknown committed
8712
commit:
unknown's avatar
unknown committed
8713
	COMMIT_SYM opt_work opt_chain opt_release
unknown's avatar
unknown committed
8714
	{
unknown's avatar
unknown committed
8715 8716 8717 8718
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_COMMIT;
	  lex->tx_chain= $3; 
	  lex->tx_release= $4;
unknown's avatar
unknown committed
8719 8720
	}
	;
unknown's avatar
unknown committed
8721 8722

rollback:
unknown's avatar
unknown committed
8723
	ROLLBACK_SYM opt_work opt_chain opt_release
8724
	{
unknown's avatar
unknown committed
8725 8726 8727 8728
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_ROLLBACK;
	  lex->tx_chain= $3; 
	  lex->tx_release= $4;
8729
	}
unknown's avatar
unknown committed
8730 8731
	| ROLLBACK_SYM opt_work
	  TO_SYM opt_savepoint ident
8732
	{
unknown's avatar
unknown committed
8733 8734 8735
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_ROLLBACK_TO_SAVEPOINT;
	  lex->ident= $5;
unknown's avatar
unknown committed
8736 8737 8738
	}
	;

8739 8740 8741
savepoint:
	SAVEPOINT_SYM ident
	{
unknown's avatar
unknown committed
8742 8743 8744
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_SAVEPOINT;
	  lex->ident= $2;
unknown's avatar
unknown committed
8745 8746 8747 8748 8749 8750
	}
	;

release:
	RELEASE_SYM SAVEPOINT_SYM ident
	{
unknown's avatar
unknown committed
8751 8752 8753
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_RELEASE_SAVEPOINT;
	  lex->ident= $3;
unknown's avatar
unknown committed
8754 8755
	}
	;
unknown's avatar
unknown committed
8756
  
8757
/*
unknown's avatar
unknown committed
8758
   UNIONS : glue selects together
8759 8760 8761
*/


8762
union_clause:
8763
	/* empty */ {}
unknown's avatar
unknown committed
8764 8765
	| union_list
	;
8766 8767

union_list:
8768
	UNION_SYM union_option
8769 8770 8771 8772 8773
	{
	  LEX *lex=Lex;
	  if (lex->exchange)
	  {
	    /* Only the last SELECT can have  INTO...... */
unknown's avatar
unknown committed
8774
	    my_error(ER_WRONG_USAGE, MYF(0), "UNION", "INTO");
8775
	    YYABORT;
8776
	  }
8777
	  if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
8778
	  {
8779
            yyerror(ER(ER_SYNTAX_ERROR));
8780 8781
	    YYABORT;
	  }
8782
	  if (mysql_new_select(lex, 0))
8783
	    YYABORT;
unknown's avatar
unknown committed
8784
          mysql_init_select(lex);
8785
	  lex->current_select->linkage=UNION_TYPE;
8786 8787 8788
          if ($2) /* UNION DISTINCT - remember position */
            lex->current_select->master_unit()->union_distinct=
                                                      lex->current_select;
unknown's avatar
unknown committed
8789
	}
unknown's avatar
unknown committed
8790 8791
	select_init
        {
8792 8793 8794 8795
          /*
	    Remove from the name resolution context stack the context of the
            last select in the union.
	  */
unknown's avatar
unknown committed
8796 8797
          Lex->pop_context();
        }
8798
	;
8799 8800

union_opt:
unknown's avatar
unknown committed
8801 8802 8803
	/* Empty */ { $$= 0; }
	| union_list { $$= 1; }
	| union_order_or_limit { $$= 1; }
unknown's avatar
unknown committed
8804
	;
8805

unknown's avatar
unknown committed
8806
union_order_or_limit:
8807
	  {
unknown's avatar
unknown committed
8808
	    THD *thd= YYTHD;
8809
	    LEX *lex= thd->lex;
unknown's avatar
unknown committed
8810
	    DBUG_ASSERT(lex->current_select->linkage != GLOBAL_OPTIONS_TYPE);
unknown's avatar
unknown committed
8811
	    SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
8812
	    SELECT_LEX_UNIT *unit= sel->master_unit();
unknown's avatar
unknown committed
8813
	    SELECT_LEX *fake= unit->fake_select_lex;
unknown's avatar
unknown committed
8814 8815 8816 8817 8818 8819
	    if (fake)
	    {
	      unit->global_parameters= fake;
	      fake->no_table_names_allowed= 1;
	      lex->current_select= fake;
	    }
unknown's avatar
unknown committed
8820
	    thd->where= "global ORDER clause";
8821
	  }
8822
	order_or_limit
unknown's avatar
unknown committed
8823 8824
          {
	    THD *thd= YYTHD;
8825
	    thd->lex->current_select->no_table_names_allowed= 0;
unknown's avatar
unknown committed
8826 8827
	    thd->where= "";
          }
8828 8829 8830
	;

order_or_limit:
8831 8832
	order_clause opt_limit_clause_init
	| limit_clause
8833
	;
unknown's avatar
unknown committed
8834 8835

union_option:
8836 8837 8838 8839
	/* empty */ { $$=1; }
	| DISTINCT  { $$=1; }
	| ALL       { $$=0; }
        ;
8840

unknown's avatar
unknown committed
8841 8842
singlerow_subselect:
	subselect_start singlerow_subselect_init
unknown's avatar
unknown committed
8843 8844 8845 8846
	subselect_end
	{
	  $$= $2;
	};
8847

unknown's avatar
unknown committed
8848
singlerow_subselect_init:
8849
	select_init2
unknown's avatar
unknown committed
8850
	{
8851 8852
	  $$= new Item_singlerow_subselect(Lex->current_select->
					   master_unit()->first_select());
unknown's avatar
unknown committed
8853
	};
unknown's avatar
unknown committed
8854 8855

exists_subselect:
unknown's avatar
unknown committed
8856 8857 8858 8859 8860
	subselect_start exists_subselect_init
	subselect_end
	{
	  $$= $2;
	};
unknown's avatar
unknown committed
8861 8862

exists_subselect_init:
8863
	select_init2
unknown's avatar
unknown committed
8864
	{
8865 8866
	  $$= new Item_exists_subselect(Lex->current_select->master_unit()->
					first_select());
unknown's avatar
unknown committed
8867
	};
8868

unknown's avatar
unknown committed
8869 8870 8871 8872 8873 8874 8875 8876
in_subselect:
  subselect_start in_subselect_init
  subselect_end
  {
    $$= $2;
  };

in_subselect_init:
8877
  select_init2
unknown's avatar
unknown committed
8878
  {
unknown's avatar
unknown committed
8879
    $$= Lex->current_select->master_unit()->first_select();
unknown's avatar
unknown committed
8880 8881
  };

8882
subselect_start:
8883
	'(' SELECT_SYM
unknown's avatar
unknown committed
8884
	{
8885
	  LEX *lex=Lex;
8886
	  if (((int)lex->sql_command >= (int)SQLCOM_HA_OPEN &&
8887 8888
	       lex->sql_command <= (int)SQLCOM_HA_READ) ||
	       lex->sql_command == (int)SQLCOM_KILL)
8889 8890
	  {
            yyerror(ER(ER_SYNTAX_ERROR));
8891 8892
	    YYABORT;
	  }
unknown's avatar
unknown committed
8893 8894 8895
	  if (mysql_new_select(Lex, 1))
	    YYABORT;
	};
8896 8897

subselect_end:
unknown's avatar
unknown committed
8898 8899 8900
	')'
	{
	  LEX *lex=Lex;
unknown's avatar
unknown committed
8901
          lex->pop_context();
8902
	  lex->current_select = lex->current_select->return_after_parsing();
unknown's avatar
unknown committed
8903
          lex->nest_level--;
unknown's avatar
unknown committed
8904
	};
unknown's avatar
unknown committed
8905

8906 8907 8908 8909 8910 8911 8912 8913 8914 8915 8916 8917 8918 8919 8920 8921 8922 8923 8924 8925 8926 8927 8928 8929 8930 8931 8932 8933 8934 8935 8936 8937 8938 8939 8940 8941 8942 8943 8944 8945 8946 8947 8948 8949 8950 8951 8952 8953 8954 8955 8956 8957 8958 8959 8960 8961 8962 8963 8964 8965 8966 8967 8968 8969 8970 8971 8972 8973 8974 8975 8976 8977 8978 8979 8980 8981 8982 8983 8984 8985 8986 8987 8988 8989 8990 8991 8992 8993 8994 8995 8996 8997 8998 8999 9000 9001 9002 9003 9004 9005 9006 9007 9008 9009 9010 9011 9012 9013 9014 9015 9016 9017
definer:
	get_definer
	{
	  THD *thd= YYTHD;
	  
	  if (! (thd->lex->definer= create_definer(thd, &$1->user, &$1->host)))
	    YYABORT;
	}
	;

get_definer:
	opt_current_definer
	{
	  THD *thd= YYTHD;
          
	  if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
	    YYABORT;

	  if (get_default_definer(thd, $$))
	    YYABORT;
	}
	| DEFINER_SYM EQ ident_or_text '@' ident_or_text
	{
	  if (!($$=(LEX_USER*) YYTHD->alloc(sizeof(st_lex_user))))
	    YYABORT;

	  $$->user= $3;
	  $$->host= $5;
	}
	;

opt_current_definer:
	/* empty */
	| DEFINER_SYM EQ CURRENT_USER optional_braces
	;

/**************************************************************************

 CREATE VIEW statement options.

**************************************************************************/

view_replace_or_algorithm:
	view_replace
	{}
	| view_replace view_algorithm
	{}
	| view_algorithm
	{}
	;

view_replace:
	OR_SYM REPLACE
	{ Lex->create_view_mode= VIEW_CREATE_OR_REPLACE; }
	;

view_algorithm:
	ALGORITHM_SYM EQ UNDEFINED_SYM
	{ Lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED; }
	| ALGORITHM_SYM EQ MERGE_SYM
	{ Lex->create_view_algorithm= VIEW_ALGORITHM_MERGE; }
	| ALGORITHM_SYM EQ TEMPTABLE_SYM
	{ Lex->create_view_algorithm= VIEW_ALGORITHM_TMPTABLE; }
	;

view_algorithm_opt:
	/* empty */
	{ Lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED; }
	| view_algorithm
	{}
	;

view_or_trigger:
	definer view_or_trigger_tail
	{}
	| view_replace_or_algorithm definer view_tail
	{}
	;

view_or_trigger_tail:
	view_tail
	{}
	| trigger_tail
	{}
	;

view_suid:
	/* empty */
	{ Lex->create_view_suid= TRUE; }
	| SQL_SYM SECURITY_SYM DEFINER_SYM
	{ Lex->create_view_suid= TRUE; }
	| SQL_SYM SECURITY_SYM INVOKER_SYM
	{ Lex->create_view_suid= FALSE; }
	;

view_tail:
	view_suid VIEW_SYM table_ident
	{
	  THD *thd= YYTHD;
	  LEX *lex= thd->lex;
	  lex->sql_command= SQLCOM_CREATE_VIEW;
	  /* first table in list is target VIEW name */
	  if (!lex->select_lex.add_table_to_list(thd, $3, NULL, 0))
	    YYABORT;
	}
	view_list_opt AS view_select view_check_option
	{}
	;

view_list_opt:
	/* empty */
	{}
9018 9019 9020 9021 9022 9023 9024 9025 9026 9027 9028 9029 9030 9031 9032 9033
	| '(' view_list ')'
	;

view_list:
	ident 
	  {
	    Lex->view_list.push_back((LEX_STRING*)
				     sql_memdup(&$1, sizeof(LEX_STRING)));
	  }
	| view_list ',' ident
	  {
	    Lex->view_list.push_back((LEX_STRING*)
				     sql_memdup(&$3, sizeof(LEX_STRING)));
	  }
	;

9034 9035 9036
view_select:
	SELECT_SYM remember_name select_init2
	{
9037 9038 9039 9040 9041 9042
          THD *thd=YYTHD;
          LEX *lex= thd->lex;
          char *stmt_beg= (lex->sphead ?
                           (char *)lex->sphead->m_tmp_query :
                           thd->query);
	  lex->create_view_select_start= $2 - stmt_beg;
9043 9044 9045
	}
	| '(' remember_name select_paren ')' union_opt
	{
9046 9047 9048 9049 9050 9051
          THD *thd=YYTHD;
          LEX *lex= thd->lex;
          char *stmt_beg= (lex->sphead ?
                           (char *)lex->sphead->m_tmp_query :
                           thd->query);
	  lex->create_view_select_start= $2 - stmt_beg;
9052
	}
9053 9054
	;

9055
view_check_option:
9056
	/* empty */
9057 9058 9059 9060 9061 9062 9063
	{ Lex->create_view_check= VIEW_CHECK_NONE; }
	| WITH CHECK_SYM OPTION
	{ Lex->create_view_check= VIEW_CHECK_CASCADED; }
	| WITH CASCADED CHECK_SYM OPTION
	{ Lex->create_view_check= VIEW_CHECK_CASCADED; }
	| WITH LOCAL_SYM CHECK_SYM OPTION
	{ Lex->create_view_check= VIEW_CHECK_LOCAL; }
9064
	;
9065

9066 9067 9068 9069 9070 9071 9072 9073 9074 9075 9076 9077 9078 9079
/**************************************************************************

 CREATE TRIGGER statement parts.

**************************************************************************/

trigger_tail:
	TRIGGER_SYM remember_name sp_name trg_action_time trg_event 
	ON table_ident FOR_SYM EACH_SYM ROW_SYM
	{
	  LEX *lex= Lex;
	  sp_head *sp;
	 
	  if (lex->sphead)
9080
	  {
9081 9082
	    my_error(ER_SP_NO_RECURSIVE_CREATE, MYF(0), "TRIGGER");
	    YYABORT;
9083
	  }
9084 9085 9086 9087 9088 9089 9090 9091 9092 9093 9094 9095 9096 9097 9098 9099 9100 9101 9102 9103 9104 9105
	
	  if (!(sp= new sp_head()))
	    YYABORT;
	  sp->reset_thd_mem_root(YYTHD);
	  sp->init(lex);
	
	  lex->trigger_definition_begin= $2;
	  
	  sp->m_type= TYPE_ENUM_TRIGGER;
	  lex->sphead= sp;
	  lex->spname= $3;
	  /*
	    We have to turn of CLIENT_MULTI_QUERIES while parsing a
	    stored procedure, otherwise yylex will chop it into pieces
	    at each ';'.
	  */
	  sp->m_old_cmq= YYTHD->client_capabilities & CLIENT_MULTI_QUERIES;
	  YYTHD->client_capabilities &= ~CLIENT_MULTI_QUERIES;
	  
	  bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
	  lex->sphead->m_chistics= &lex->sp_chistics;
	  lex->sphead->m_body_begin= lex->ptr;
9106 9107
          while (my_isspace(system_charset_info, lex->sphead->m_body_begin[0]))
            ++lex->sphead->m_body_begin;
9108 9109 9110 9111 9112 9113 9114 9115 9116 9117 9118 9119 9120 9121 9122 9123 9124 9125 9126 9127 9128 9129 9130 9131 9132 9133 9134 9135 9136 9137 9138
	}
	sp_proc_stmt
	{
	  LEX *lex= Lex;
	  sp_head *sp= lex->sphead;
	  
	  lex->sql_command= SQLCOM_CREATE_TRIGGER;
	  sp->init_strings(YYTHD, lex, $3);
	  /* Restore flag if it was cleared above */
	  if (sp->m_old_cmq)
	    YYTHD->client_capabilities |= CLIENT_MULTI_QUERIES;
	  sp->restore_thd_mem_root(YYTHD);
	
	  if (sp->is_not_allowed_in_function("trigger"))
	      YYABORT;
	
	  /*
	    We have to do it after parsing trigger body, because some of
	    sp_proc_stmt alternatives are not saving/restoring LEX, so
	    lex->query_tables can be wiped out.
	    
	    QQ: What are other consequences of this?
	    
	    QQ: Could we loosen lock type in certain cases ?
	  */
	  if (!lex->select_lex.add_table_to_list(YYTHD, $7, 
	                                         (LEX_STRING*) 0,
	                                         TL_OPTION_UPDATING,
	                                         TL_WRITE))
	    YYABORT;
	}
9139 9140
	;

9141
/*************************************************************************/
9142

9143 9144
xa: XA_SYM begin_or_start xid opt_join_or_resume
      {
unknown's avatar
unknown committed
9145
        Lex->sql_command = SQLCOM_XA_START;
9146
      }
9147
    | XA_SYM END xid opt_suspend
9148
      {
unknown's avatar
unknown committed
9149
        Lex->sql_command = SQLCOM_XA_END;
9150 9151 9152
      }
    | XA_SYM PREPARE_SYM xid
      {
unknown's avatar
unknown committed
9153
        Lex->sql_command = SQLCOM_XA_PREPARE;
9154 9155 9156
      }
    | XA_SYM COMMIT_SYM xid opt_one_phase
      {
unknown's avatar
unknown committed
9157
        Lex->sql_command = SQLCOM_XA_COMMIT;
9158 9159 9160
      }
    | XA_SYM ROLLBACK_SYM xid
      {
unknown's avatar
unknown committed
9161
        Lex->sql_command = SQLCOM_XA_ROLLBACK;
9162 9163 9164
      }
    | XA_SYM RECOVER_SYM
      {
unknown's avatar
unknown committed
9165
        Lex->sql_command = SQLCOM_XA_RECOVER;
9166 9167 9168
      }
    ;

unknown's avatar
unknown committed
9169 9170
xid: text_string
     {
unknown's avatar
unknown committed
9171
       YYERROR_UNLESS($1->length() <= MAXGTRIDSIZE);
unknown's avatar
unknown committed
9172 9173 9174 9175 9176 9177
       if (!(Lex->xid=(XID *)YYTHD->alloc(sizeof(XID))))
         YYABORT;
       Lex->xid->set(1L, $1->ptr(), $1->length(), 0, 0);
     }
     | text_string ',' text_string
     {
unknown's avatar
unknown committed
9178
       YYERROR_UNLESS($1->length() <= MAXGTRIDSIZE && $3->length() <= MAXBQUALSIZE);
unknown's avatar
unknown committed
9179 9180 9181 9182 9183 9184
       if (!(Lex->xid=(XID *)YYTHD->alloc(sizeof(XID))))
         YYABORT;
       Lex->xid->set(1L, $1->ptr(), $1->length(), $3->ptr(), $3->length());
     }
     | text_string ',' text_string ',' ulong_num
     {
unknown's avatar
unknown committed
9185
       YYERROR_UNLESS($1->length() <= MAXGTRIDSIZE && $3->length() <= MAXBQUALSIZE);
unknown's avatar
unknown committed
9186 9187 9188 9189 9190
       if (!(Lex->xid=(XID *)YYTHD->alloc(sizeof(XID))))
         YYABORT;
       Lex->xid->set($5, $1->ptr(), $1->length(), $3->ptr(), $3->length());
     }
     ;
9191 9192 9193 9194 9195 9196 9197 9198 9199 9200 9201 9202 9203 9204 9205 9206

begin_or_start:   BEGIN_SYM {}
    |             START_SYM {}
    ;

opt_join_or_resume:
    /* nothing */           { Lex->xa_opt=XA_NONE;        }
    | JOIN_SYM              { Lex->xa_opt=XA_JOIN;        }
    | RESUME_SYM            { Lex->xa_opt=XA_RESUME;      }
    ;

opt_one_phase:
    /* nothing */           { Lex->xa_opt=XA_NONE;        }
    | ONE_SYM PHASE_SYM     { Lex->xa_opt=XA_ONE_PHASE;   }
    ;

9207
opt_suspend:
9208 9209
    /* nothing */           { Lex->xa_opt=XA_NONE;        }
    | SUSPEND_SYM           { Lex->xa_opt=XA_SUSPEND;     }
9210 9211 9212 9213 9214
      opt_migrate
    ;

opt_migrate:
    /* nothing */           { }
9215 9216 9217 9218
    | FOR_SYM MIGRATE_SYM   { Lex->xa_opt=XA_FOR_MIGRATE; }
    ;