sql_show.cc 133 KB
Newer Older
unknown's avatar
unknown committed
1
/* Copyright (C) 2000-2004 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 17 18 19 20
   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 */


/* Function with list databases, tables or fields */

#include "mysql_priv.h"
21
#include "sql_select.h"                         // For select_describe
22
#include "repl_failsafe.h"
23
#include "sp.h"
24
#include "sp_head.h"
25
#include "sql_trigger.h"
unknown's avatar
unknown committed
26
#include <my_dir.h>
unknown's avatar
unknown committed
27

unknown's avatar
unknown committed
28 29 30 31
#ifdef HAVE_BERKELEY_DB
#include "ha_berkeley.h"			// For berkeley_show_logs
#endif

unknown's avatar
unknown committed
32 33 34 35
static const char *grant_names[]={
  "select","insert","update","delete","create","drop","reload","shutdown",
  "process","file","grant","references","index","alter"};

unknown's avatar
unknown committed
36
#ifndef NO_EMBEDDED_ACCESS_CHECKS
unknown's avatar
unknown committed
37
static TYPELIB grant_types = { sizeof(grant_names)/sizeof(char **),
38
                               "grant_types",
39
                               grant_names, NULL};
unknown's avatar
unknown committed
40
#endif
unknown's avatar
unknown committed
41 42

static int
unknown's avatar
unknown committed
43
store_create_info(THD *thd, TABLE_LIST *table_list, String *packet);
unknown's avatar
VIEW  
unknown committed
44 45
static int
view_store_create_info(THD *thd, TABLE_LIST *table, String *packet);
46
static bool schema_table_store_record(THD *thd, TABLE *table);
47

unknown's avatar
unknown committed
48

unknown's avatar
unknown committed
49 50 51 52
/***************************************************************************
** List all table types supported 
***************************************************************************/

unknown's avatar
unknown committed
53
bool mysqld_show_storage_engines(THD *thd)
unknown's avatar
unknown committed
54 55
{
  List<Item> field_list;
56
  Protocol *protocol= thd->protocol;
unknown's avatar
unknown committed
57
  DBUG_ENTER("mysqld_show_storage_engines");
unknown's avatar
unknown committed
58

unknown's avatar
unknown committed
59
  field_list.push_back(new Item_empty_string("Engine",10));
unknown's avatar
unknown committed
60
  field_list.push_back(new Item_empty_string("Support",10));
61
  field_list.push_back(new Item_empty_string("Comment",80));
unknown's avatar
unknown committed
62

63 64
  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
unknown's avatar
unknown committed
65
    DBUG_RETURN(TRUE);
unknown's avatar
unknown committed
66

67
  const char *default_type_name= 
unknown's avatar
unknown committed
68
    ha_get_storage_engine((enum db_type)thd->variables.table_type);
unknown's avatar
unknown committed
69

70 71
  show_table_type_st *types;
  for (types= sys_table_types; types->type; types++)
unknown's avatar
unknown committed
72
  {
73
    protocol->prepare_for_resend();
74
    protocol->store(types->type, system_charset_info);
75 76 77
    const char *option_name= show_comp_option_name[(int) *types->value];

    if (*types->value == SHOW_OPTION_YES &&
78
	!my_strcasecmp(system_charset_info, default_type_name, types->type))
79
      option_name= "DEFAULT";
80 81
    protocol->store(option_name, system_charset_info);
    protocol->store(types->comment, system_charset_info);
82
    if (protocol->write())
unknown's avatar
unknown committed
83
      DBUG_RETURN(TRUE);
unknown's avatar
unknown committed
84
  }
85
  send_eof(thd);
unknown's avatar
unknown committed
86
  DBUG_RETURN(FALSE);
unknown's avatar
unknown committed
87 88
}

89

unknown's avatar
unknown committed
90
/***************************************************************************
91
 List all privileges supported
unknown's avatar
unknown committed
92 93
***************************************************************************/

94 95 96 97
struct show_privileges_st {
  const char *privilege;
  const char *context;
  const char *comment;
unknown's avatar
unknown committed
98 99
};

100 101
static struct show_privileges_st sys_privileges[]=
{
unknown's avatar
unknown committed
102
  {"Alter", "Tables",  "To alter the table"},
103
  {"Alter routine", "Functions,Procedures",  "To alter or drop stored functions/procedures"},
104
  {"Create", "Databases,Tables,Indexes",  "To create new databases and tables"},
105
  {"Create routine","Functions,Procedures","To use CREATE FUNCTION/PROCEDURE"},
unknown's avatar
unknown committed
106 107
  {"Create temporary tables","Databases","To use CREATE TEMPORARY TABLE"},
  {"Create view", "Tables",  "To create new views"},
108
  {"Create user", "Server Admin",  "To create new users"},
unknown's avatar
unknown committed
109
  {"Delete", "Tables",  "To delete existing rows"},
unknown's avatar
unknown committed
110
  {"Drop", "Databases,Tables", "To drop databases, tables, and views"},
111
  {"Execute", "Functions,Procedures", "To execute stored routines"},
unknown's avatar
unknown committed
112
  {"File", "File access on server",   "To read and write files on the server"},
113
  {"Grant option",  "Databases,Tables,Functions,Procedures", "To give to other users those privileges you possess"},
unknown's avatar
unknown committed
114 115 116 117
  {"Index", "Tables",  "To create or drop indexes"},
  {"Insert", "Tables",  "To insert data into tables"},
  {"Lock tables","Databases","To use LOCK TABLES (together with SELECT privilege)"},
  {"Process", "Server Admin", "To view the plain text of currently executing queries"},
118
  {"References", "Databases,Tables", "To have references on tables"},
unknown's avatar
unknown committed
119 120 121 122 123
  {"Reload", "Server Admin", "To reload or refresh tables, logs and privileges"},
  {"Replication client","Server Admin","To ask where the slave or master servers are"},
  {"Replication slave","Server Admin","To read binary log events from the master"},
  {"Select", "Tables",  "To retrieve rows from table"},
  {"Show databases","Server Admin","To see all databases with SHOW DATABASES"},
unknown's avatar
unknown committed
124 125
  {"Show view","Tables","To see views with SHOW CREATE VIEW"},
  {"Shutdown","Server Admin", "To shut down the server"},
unknown's avatar
unknown committed
126 127 128
  {"Super","Server Admin","To use KILL thread, SET GLOBAL, CHANGE MASTER, etc."},
  {"Update", "Tables",  "To update existing rows"},
  {"Usage","Server Admin","No privileges - allow connect only"},
129 130 131
  {NullS, NullS, NullS}
};

unknown's avatar
unknown committed
132
bool mysqld_show_privileges(THD *thd)
unknown's avatar
unknown committed
133 134
{
  List<Item> field_list;
135
  Protocol *protocol= thd->protocol;
unknown's avatar
unknown committed
136 137 138 139 140 141
  DBUG_ENTER("mysqld_show_privileges");

  field_list.push_back(new Item_empty_string("Privilege",10));
  field_list.push_back(new Item_empty_string("Context",15));
  field_list.push_back(new Item_empty_string("Comment",NAME_LEN));

142 143
  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
unknown's avatar
unknown committed
144
    DBUG_RETURN(TRUE);
unknown's avatar
unknown committed
145

146 147
  show_privileges_st *privilege= sys_privileges;
  for (privilege= sys_privileges; privilege->privilege ; privilege++)
unknown's avatar
unknown committed
148
  {
149
    protocol->prepare_for_resend();
150 151 152
    protocol->store(privilege->privilege, system_charset_info);
    protocol->store(privilege->context, system_charset_info);
    protocol->store(privilege->comment, system_charset_info);
153
    if (protocol->write())
unknown's avatar
unknown committed
154
      DBUG_RETURN(TRUE);
unknown's avatar
unknown committed
155
  }
156
  send_eof(thd);
unknown's avatar
unknown committed
157
  DBUG_RETURN(FALSE);
unknown's avatar
unknown committed
158 159 160 161
}


/***************************************************************************
162
  List all column types
unknown's avatar
unknown committed
163 164
***************************************************************************/

165 166
struct show_column_type_st
{
unknown's avatar
unknown committed
167 168
  const char *type;
  uint size;
169 170 171 172 173 174 175 176 177 178 179 180
  const char *min_value;
  const char *max_value;
  uint precision;
  uint scale;
  const char *nullable;
  const char *auto_increment;
  const char *unsigned_attr;
  const char *zerofill;
  const char *searchable;
  const char *case_sensitivity;
  const char *default_value;
  const char *comment;
unknown's avatar
unknown committed
181
};
182 183 184 185 186

/* TODO: Add remaning types */

static struct show_column_type_st sys_column_types[]=
{
unknown's avatar
unknown committed
187 188
  {"tinyint",
    1,  "-128",  "127",  0,  0,  "YES",  "YES",
unknown's avatar
unknown committed
189 190
    "NO",   "YES", "YES",  "NO",  "NULL,0",
    "A very small integer"},
unknown's avatar
unknown committed
191
  {"tinyint unsigned",
unknown's avatar
unknown committed
192 193
    1,  "0"   ,  "255",  0,  0,  "YES",  "YES",
    "YES",  "YES",  "YES",  "NO",  "NULL,0",
unknown's avatar
unknown committed
194 195 196
    "A very small integer"},
};

unknown's avatar
unknown committed
197
bool mysqld_show_column_types(THD *thd)
unknown's avatar
unknown committed
198 199
{
  List<Item> field_list;
200
  Protocol *protocol= thd->protocol;
unknown's avatar
unknown committed
201 202 203 204 205 206
  DBUG_ENTER("mysqld_show_column_types");

  field_list.push_back(new Item_empty_string("Type",30));
  field_list.push_back(new Item_int("Size",(longlong) 1,21));
  field_list.push_back(new Item_empty_string("Min_Value",20));
  field_list.push_back(new Item_empty_string("Max_Value",20));
207 208
  field_list.push_back(new Item_return_int("Prec", 4, MYSQL_TYPE_SHORT));
  field_list.push_back(new Item_return_int("Scale", 4, MYSQL_TYPE_SHORT));
unknown's avatar
unknown committed
209 210 211 212 213 214 215 216 217
  field_list.push_back(new Item_empty_string("Nullable",4));
  field_list.push_back(new Item_empty_string("Auto_Increment",4));
  field_list.push_back(new Item_empty_string("Unsigned",4));
  field_list.push_back(new Item_empty_string("Zerofill",4));
  field_list.push_back(new Item_empty_string("Searchable",4));
  field_list.push_back(new Item_empty_string("Case_Sensitive",4));
  field_list.push_back(new Item_empty_string("Default",NAME_LEN));
  field_list.push_back(new Item_empty_string("Comment",NAME_LEN));

218 219
  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
unknown's avatar
unknown committed
220
    DBUG_RETURN(TRUE);
unknown's avatar
unknown committed
221

222
  /* TODO: Change the loop to not use 'i' */
unknown's avatar
unknown committed
223 224
  for (uint i=0; i < sizeof(sys_column_types)/sizeof(sys_column_types[0]); i++)
  {
225
    protocol->prepare_for_resend();
226
    protocol->store(sys_column_types[i].type, system_charset_info);
227
    protocol->store((ulonglong) sys_column_types[i].size);
228 229
    protocol->store(sys_column_types[i].min_value, system_charset_info);
    protocol->store(sys_column_types[i].max_value, system_charset_info);
230 231
    protocol->store_short((longlong) sys_column_types[i].precision);
    protocol->store_short((longlong) sys_column_types[i].scale);
232 233 234 235 236 237 238 239
    protocol->store(sys_column_types[i].nullable, system_charset_info);
    protocol->store(sys_column_types[i].auto_increment, system_charset_info);
    protocol->store(sys_column_types[i].unsigned_attr, system_charset_info);
    protocol->store(sys_column_types[i].zerofill, system_charset_info);
    protocol->store(sys_column_types[i].searchable, system_charset_info);
    protocol->store(sys_column_types[i].case_sensitivity, system_charset_info);
    protocol->store(sys_column_types[i].default_value, system_charset_info);
    protocol->store(sys_column_types[i].comment, system_charset_info);
240
    if (protocol->write())
unknown's avatar
unknown committed
241
      DBUG_RETURN(TRUE);
unknown's avatar
unknown committed
242
  }
243
  send_eof(thd);
unknown's avatar
unknown committed
244
  DBUG_RETURN(FALSE);
unknown's avatar
unknown committed
245 246 247
}


248
int
unknown's avatar
unknown committed
249
mysql_find_files(THD *thd,List<char> *files, const char *db,const char *path,
250
                 const char *wild, bool dir)
unknown's avatar
unknown committed
251 252 253 254 255
{
  uint i;
  char *ext;
  MY_DIR *dirp;
  FILEINFO *file;
unknown's avatar
unknown committed
256
#ifndef NO_EMBEDDED_ACCESS_CHECKS
unknown's avatar
unknown committed
257
  uint col_access=thd->col_access;
unknown's avatar
unknown committed
258
#endif
unknown's avatar
unknown committed
259 260 261
  TABLE_LIST table_list;
  DBUG_ENTER("mysql_find_files");

262 263
  if (wild && !wild[0])
    wild=0;
264

unknown's avatar
unknown committed
265 266 267 268 269
  bzero((char*) &table_list,sizeof(table_list));

  if (!(dirp = my_dir(path,MYF(MY_WME | (dir ? MY_WANT_STAT : 0)))))
    DBUG_RETURN(-1);

270
  for (i=0 ; i < (uint) dirp->number_off_files  ; i++)
unknown's avatar
unknown committed
271 272 273
  {
    file=dirp->dir_entry+i;
    if (dir)
274
    {                                           /* Return databases */
unknown's avatar
unknown committed
275 276
#ifdef USE_SYMDIR
      char *ext;
277
      char buff[FN_REFLEN];
unknown's avatar
unknown committed
278
      if (my_use_symdir && !strcmp(ext=fn_ext(file->name), ".sym"))
279 280
      {
	/* Only show the sym file if it points to a directory */
281
	char *end;
282
        *ext=0;                                 /* Remove extension */
283 284 285 286
	unpack_dirname(buff, file->name);
	end= strend(buff);
	if (end != buff && end[-1] == FN_LIBCHAR)
	  end[-1]= 0;				// Remove end FN_LIBCHAR
287 288 289
        if (!my_stat(buff, file->mystat, MYF(0)))
               continue;
       }
unknown's avatar
unknown committed
290
#endif
unknown's avatar
unknown committed
291
        if (file->name[0] == '.' || !MY_S_ISDIR(file->mystat->st_mode) ||
292
            (wild && wild_compare(file->name,wild,0)))
293
          continue;
unknown's avatar
unknown committed
294 295 296
    }
    else
    {
297
        // Return only .frm files which aren't temp files.
298
      if (my_strcasecmp(system_charset_info, ext=fn_ext(file->name),reg_ext) ||
299
          is_prefix(file->name,tmp_file_prefix))
300
        continue;
unknown's avatar
unknown committed
301
      *ext=0;
302 303 304 305
      if (wild)
      {
	if (lower_case_table_names)
	{
306
	  if (wild_case_compare(files_charset_info, file->name, wild))
307 308
	    continue;
	}
309
	else if (wild_compare(file->name,wild,0))
310 311
	  continue;
      }
unknown's avatar
unknown committed
312
    }
unknown's avatar
unknown committed
313
#ifndef NO_EMBEDDED_ACCESS_CHECKS
unknown's avatar
unknown committed
314 315 316 317
    /* Don't show tables where we don't have any privileges */
    if (db && !(col_access & TABLE_ACLS))
    {
      table_list.db= (char*) db;
318
      table_list.db_length= strlen(db);
319
      table_list.table_name= file->name;
320
      table_list.table_name_length= strlen(file->name);
unknown's avatar
unknown committed
321
      table_list.grant.privilege=col_access;
unknown's avatar
unknown committed
322
      if (check_grant(thd, TABLE_ACLS, &table_list, 1, UINT_MAX, 1))
323
        continue;
unknown's avatar
unknown committed
324
    }
unknown's avatar
unknown committed
325
#endif
326
    if (files->push_back(thd->strdup(file->name)))
unknown's avatar
unknown committed
327 328 329 330 331 332 333
    {
      my_dirend(dirp);
      DBUG_RETURN(-1);
    }
  }
  DBUG_PRINT("info",("found: %d files", files->elements));
  my_dirend(dirp);
unknown's avatar
unknown committed
334 335 336

  VOID(ha_find_files(thd,db,path,wild,dir,files));

unknown's avatar
unknown committed
337 338 339
  DBUG_RETURN(0);
}

340

unknown's avatar
unknown committed
341
bool
unknown's avatar
unknown committed
342 343 344
mysqld_show_create(THD *thd, TABLE_LIST *table_list)
{
  TABLE *table;
345 346 347
  Protocol *protocol= thd->protocol;
  char buff[2048];
  String buffer(buff, sizeof(buff), system_charset_info);
unknown's avatar
unknown committed
348 349
  DBUG_ENTER("mysqld_show_create");
  DBUG_PRINT("enter",("db: %s  table: %s",table_list->db,
350
                      table_list->table_name));
unknown's avatar
unknown committed
351

352 353 354
  /* We want to preserve the tree for views. */
  thd->lex->view_prepare_mode= TRUE;

unknown's avatar
VIEW  
unknown committed
355
  /* Only one table for now, but VIEW can involve several tables */
356
  if (open_normal_and_derived_tables(thd, table_list, 0))
unknown's avatar
unknown committed
357
  {
unknown's avatar
unknown committed
358
    DBUG_RETURN(TRUE);
unknown's avatar
unknown committed
359
  }
unknown's avatar
VIEW  
unknown committed
360 361 362
  /* TODO: add environment variables show when it become possible */
  if (thd->lex->only_view && !table_list->view)
  {
363
    my_error(ER_WRONG_OBJECT, MYF(0),
364
             table_list->db, table_list->table_name, "VIEW");
unknown's avatar
unknown committed
365
    DBUG_RETURN(TRUE);
unknown's avatar
VIEW  
unknown committed
366
  }
unknown's avatar
unknown committed
367

unknown's avatar
VIEW  
unknown committed
368
  table= table_list->table;
unknown's avatar
unknown committed
369

unknown's avatar
VIEW  
unknown committed
370 371
  if ((table_list->view ?
       view_store_create_info(thd, table_list, &buffer) :
unknown's avatar
unknown committed
372
       store_create_info(thd, table_list, &buffer)))
unknown's avatar
unknown committed
373
    DBUG_RETURN(TRUE);
374

unknown's avatar
unknown committed
375
  List<Item> field_list;
unknown's avatar
unknown committed
376 377 378 379 380 381 382 383 384 385 386 387 388
  if (table_list->view)
  {
    field_list.push_back(new Item_empty_string("View",NAME_LEN));
    field_list.push_back(new Item_empty_string("Create View",
                                               max(buffer.length(),1024)));
  }
  else
  {
    field_list.push_back(new Item_empty_string("Table",NAME_LEN));
    // 1024 is for not to confuse old clients
    field_list.push_back(new Item_empty_string("Create Table",
                                               max(buffer.length(),1024)));
  }
unknown's avatar
unknown committed
389

390 391
  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
unknown's avatar
unknown committed
392
    DBUG_RETURN(TRUE);
393
  protocol->prepare_for_resend();
394
  buffer.length(0);
unknown's avatar
VIEW  
unknown committed
395 396 397 398
  if (table_list->view)
  {
    protocol->store(table_list->view_name.str, system_charset_info);
    if (view_store_create_info(thd, table_list, &buffer))
unknown's avatar
unknown committed
399
      DBUG_RETURN(TRUE);
unknown's avatar
VIEW  
unknown committed
400 401 402
  }
  else
  {
unknown's avatar
unknown committed
403
    if (table_list->schema_table)
404 405
      protocol->store(table_list->schema_table->table_name,
                      system_charset_info);
unknown's avatar
unknown committed
406
    else
407
      protocol->store(table->alias, system_charset_info);
unknown's avatar
unknown committed
408
    if (store_create_info(thd, table_list, &buffer))
unknown's avatar
unknown committed
409
      DBUG_RETURN(TRUE);
unknown's avatar
VIEW  
unknown committed
410
  }
411
  protocol->store(buffer.ptr(), buffer.length(), buffer.charset());
unknown's avatar
VIEW  
unknown committed
412

413
  if (protocol->write())
unknown's avatar
unknown committed
414
    DBUG_RETURN(TRUE);
415
  send_eof(thd);
unknown's avatar
unknown committed
416
  DBUG_RETURN(FALSE);
unknown's avatar
unknown committed
417 418
}

unknown's avatar
unknown committed
419 420
bool mysqld_show_create_db(THD *thd, char *dbname,
                           HA_CREATE_INFO *create_info)
421 422 423 424 425
{
  int length;
  char	path[FN_REFLEN];
  char buff[2048];
  String buffer(buff, sizeof(buff), system_charset_info);
unknown's avatar
unknown committed
426
#ifndef NO_EMBEDDED_ACCESS_CHECKS
427
  uint db_access;
unknown's avatar
unknown committed
428
#endif
429 430 431 432 433 434 435 436
  bool found_libchar;
  HA_CREATE_INFO create;
  uint create_options = create_info ? create_info->options : 0;
  Protocol *protocol=thd->protocol;
  DBUG_ENTER("mysql_show_create_db");

  if (check_db_name(dbname))
  {
437
    my_error(ER_WRONG_DB_NAME, MYF(0), dbname);
unknown's avatar
unknown committed
438
    DBUG_RETURN(TRUE);
439 440 441 442 443 444 445 446 447 448
  }

#ifndef NO_EMBEDDED_ACCESS_CHECKS
  if (test_all_bits(thd->master_access,DB_ACLS))
    db_access=DB_ACLS;
  else
    db_access= (acl_get(thd->host,thd->ip, thd->priv_user,dbname,0) |
		thd->master_access);
  if (!(db_access & DB_ACLS) && (!grant_option || check_grant_db(thd,dbname)))
  {
449 450
    my_error(ER_DBACCESS_DENIED_ERROR, MYF(0),
             thd->priv_user, thd->host_or_ip, dbname);
451 452
    mysql_log.write(thd,COM_INIT_DB,ER(ER_DBACCESS_DENIED_ERROR),
		    thd->priv_user, thd->host_or_ip, dbname);
unknown's avatar
unknown committed
453
    DBUG_RETURN(TRUE);
454 455
  }
#endif
456 457
  if (!my_strcasecmp(system_charset_info, dbname,
                     information_schema_name.str))
458
  {
459 460
    dbname= information_schema_name.str;
    create.default_table_charset= system_charset_info;
461
  }
462
  else
463
  {
464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480
    (void) sprintf(path,"%s/%s",mysql_data_home, dbname);
    length=unpack_dirname(path,path);		// Convert if not unix
    found_libchar= 0;
    if (length && path[length-1] == FN_LIBCHAR)
    {
      found_libchar= 1;
      path[length-1]=0;				// remove ending '\'
    }
    if (access(path,F_OK))
    {
      my_error(ER_BAD_DB_ERROR, MYF(0), dbname);
      DBUG_RETURN(TRUE);
    }
    if (found_libchar)
      path[length-1]= FN_LIBCHAR;
    strmov(path+length, MY_DB_OPT_FILE);
    load_db_opt(thd, path, &create);
481 482 483 484 485
  }
  List<Item> field_list;
  field_list.push_back(new Item_empty_string("Database",NAME_LEN));
  field_list.push_back(new Item_empty_string("Create Database",1024));

486 487
  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
unknown's avatar
unknown committed
488
    DBUG_RETURN(TRUE);
489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512

  protocol->prepare_for_resend();
  protocol->store(dbname, strlen(dbname), system_charset_info);
  buffer.length(0);
  buffer.append("CREATE DATABASE ", 16);
  if (create_options & HA_LEX_CREATE_IF_NOT_EXISTS)
    buffer.append("/*!32312 IF NOT EXISTS*/ ", 25);
  append_identifier(thd, &buffer, dbname, strlen(dbname));

  if (create.default_table_charset)
  {
    buffer.append(" /*!40100", 9);
    buffer.append(" DEFAULT CHARACTER SET ", 23);
    buffer.append(create.default_table_charset->csname);
    if (!(create.default_table_charset->state & MY_CS_PRIMARY))
    {
      buffer.append(" COLLATE ", 9);
      buffer.append(create.default_table_charset->name);
    }
    buffer.append(" */", 3);
  }
  protocol->store(buffer.ptr(), buffer.length(), buffer.charset());

  if (protocol->write())
unknown's avatar
unknown committed
513
    DBUG_RETURN(TRUE);
514
  send_eof(thd);
unknown's avatar
unknown committed
515
  DBUG_RETURN(FALSE);
516
}
unknown's avatar
unknown committed
517

unknown's avatar
unknown committed
518
bool
unknown's avatar
unknown committed
519 520
mysqld_show_logs(THD *thd)
{
521 522
  List<Item> field_list;
  Protocol *protocol= thd->protocol;
unknown's avatar
unknown committed
523 524 525 526 527 528
  DBUG_ENTER("mysqld_show_logs");

  field_list.push_back(new Item_empty_string("File",FN_REFLEN));
  field_list.push_back(new Item_empty_string("Type",10));
  field_list.push_back(new Item_empty_string("Status",10));

529 530
  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
unknown's avatar
unknown committed
531
    DBUG_RETURN(TRUE);
unknown's avatar
unknown committed
532

533
#ifdef HAVE_BERKELEY_DB
534
  if ((have_berkeley_db == SHOW_OPTION_YES) && berkeley_show_logs(protocol))
unknown's avatar
unknown committed
535
    DBUG_RETURN(TRUE);
536
#endif
unknown's avatar
unknown committed
537

538
  send_eof(thd);
unknown's avatar
unknown committed
539
  DBUG_RETURN(FALSE);
unknown's avatar
unknown committed
540 541 542
}


unknown's avatar
unknown committed
543
/****************************************************************************
544 545
  Return only fields for API mysql_list_fields
  Use "show table wildcard" in mysql instead of this
unknown's avatar
unknown committed
546 547 548 549 550 551 552
****************************************************************************/

void
mysqld_list_fields(THD *thd, TABLE_LIST *table_list, const char *wild)
{
  TABLE *table;
  DBUG_ENTER("mysqld_list_fields");
553
  DBUG_PRINT("enter",("table: %s",table_list->table_name));
unknown's avatar
unknown committed
554

555
  if (open_normal_and_derived_tables(thd, table_list, 0))
unknown's avatar
unknown committed
556
    DBUG_VOID_RETURN;
557 558
  table= table_list->table;

unknown's avatar
unknown committed
559 560 561 562 563
  List<Item> field_list;

  Field **ptr,*field;
  for (ptr=table->field ; (field= *ptr); ptr++)
  {
564 565
    if (!wild || !wild[0] || 
        !wild_case_compare(system_charset_info, field->field_name,wild))
unknown's avatar
unknown committed
566 567
      field_list.push_back(new Item_field(field));
  }
568
  restore_record(table, s->default_values);              // Get empty record
569 570
  if (thd->protocol->send_fields(&field_list, Protocol::SEND_DEFAULTS |
                                              Protocol::SEND_EOF))
unknown's avatar
unknown committed
571
    DBUG_VOID_RETURN;
572
  thd->protocol->flush();
unknown's avatar
unknown committed
573 574 575
  DBUG_VOID_RETURN;
}

576

unknown's avatar
unknown committed
577
int
unknown's avatar
unknown committed
578
mysqld_dump_create_info(THD *thd, TABLE_LIST *table_list, int fd)
unknown's avatar
unknown committed
579
{
580 581
  Protocol *protocol= thd->protocol;
  String *packet= protocol->storage_packet();
unknown's avatar
unknown committed
582
  DBUG_ENTER("mysqld_dump_create_info");
583
  DBUG_PRINT("enter",("table: %s",table_list->table->s->table_name));
584

585
  protocol->prepare_for_resend();
unknown's avatar
unknown committed
586
  if (store_create_info(thd, table_list, packet))
unknown's avatar
unknown committed
587
    DBUG_RETURN(-1);
588

589
  if (fd < 0)
590
  {
591
    if (protocol->write())
592
      DBUG_RETURN(-1);
593
    protocol->flush();
594
  }
unknown's avatar
unknown committed
595
  else
596
  {
597 598
    if (my_write(fd, (const byte*) packet->ptr(), packet->length(),
		 MYF(MY_WME)))
599 600
      DBUG_RETURN(-1);
  }
unknown's avatar
unknown committed
601 602
  DBUG_RETURN(0);
}
603

604
/*
605
  Go through all character combinations and ensure that sql_lex.cc can
606
  parse it as an identifier.
607 608

  SYNOPSIS
609 610 611 612 613 614 615
  require_quotes()
  name			attribute name
  name_length		length of name

  RETURN
    #	Pointer to conflicting character
    0	No conflicting character
616 617
*/

618
static const char *require_quotes(const char *name, uint name_length)
619
{
620 621 622 623
  uint length;
  const char *end= name + name_length;

  for ( ; name < end ; name++)
624
  {
625 626 627 628
    uchar chr= (uchar) *name;
    length= my_mbcharlen(system_charset_info, chr);
    if (length == 1 && !system_charset_info->ident_map[chr])
      return name;
629 630 631
  }
  return 0;
}
632

633

634 635
void
append_identifier(THD *thd, String *packet, const char *name, uint length)
636
{
637 638
  const char *name_end;
  char quote_char;
639
  int q= get_quote_char_for_identifier(thd, name, length);
640

641
  if (q == EOF)
642
  {
643
    packet->append(name, length, system_charset_info);
644 645 646
    return;
  }

647 648 649 650
  /*
    The identifier must be quoted as it includes a quote character or
   it's a keyword
  */
651 652

  packet->reserve(length*2 + 2);
653
  quote_char= (char) q;
654 655 656 657
  packet->append(&quote_char, 1, system_charset_info);

  for (name_end= name+length ; name < name_end ; name+= length)
  {
658
    uchar chr= (uchar) *name;
659
    length= my_mbcharlen(system_charset_info, chr);
660 661 662 663 664 665 666 667 668
    /*
      my_mbcharlen can retur 0 on a wrong multibyte
      sequence. It is possible when upgrading from 4.0,
      and identifier contains some accented characters.
      The manual says it does not work. So we'll just
      change length to 1 not to hang in the endless loop.
    */
    if (!length)
      length= 1;
669
    if (length == 1 && chr == (uchar) quote_char)
670 671
      packet->append(&quote_char, 1, system_charset_info);
    packet->append(name, length, packet->charset());
672
  }
673
  packet->append(&quote_char, 1, system_charset_info);
674 675
}

676

677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695
/*
  Get the quote character for displaying an identifier.

  SYNOPSIS
    get_quote_char_for_identifier()
    thd		Thread handler
    name	name to quote
    length	length of name

  IMPLEMENTATION
    If name is a keyword or includes a special character, then force
    quoting.
    Otherwise identifier is quoted only if the option OPTION_QUOTE_SHOW_CREATE
    is set.

  RETURN
    EOF	  No quote character is needed
    #	  Quote character
*/
696 697 698 699 700 701 702

int get_quote_char_for_identifier(THD *thd, const char *name, uint length)
{
  if (!is_keyword(name,length) &&
      !require_quotes(name, length) &&
      !(thd->options & OPTION_QUOTE_SHOW_CREATE))
    return EOF;
703
  if (thd->variables.sql_mode & MODE_ANSI_QUOTES)
704
    return '"';
705
  return '`';
706 707 708
}


709 710 711 712 713
/* Append directory name (if exists) to CREATE INFO */

static void append_directory(THD *thd, String *packet, const char *dir_type,
			     const char *filename)
{
unknown's avatar
unknown committed
714
  if (filename && !(thd->variables.sql_mode & MODE_NO_DIR_IN_CREATE))
715
  {
716
    uint length= dirname_length(filename);
717 718 719
    packet->append(' ');
    packet->append(dir_type);
    packet->append(" DIRECTORY='", 12);
720
#ifdef __WIN__
unknown's avatar
unknown committed
721 722 723 724 725 726 727 728 729
    /* Convert \ to / to be able to create table on unix */
    char *winfilename= (char*) thd->memdup(filename, length);
    char *pos, *end;
    for (pos= winfilename, end= pos+length ; pos < end ; pos++)
    {
      if (*pos == '\\')
        *pos = '/';
    }
    filename= winfilename;
730
#endif
unknown's avatar
unknown committed
731
    packet->append(filename, length);
732 733 734 735 736
    packet->append('\'');
  }
}


unknown's avatar
unknown committed
737
#define LIST_PROCESS_HOST_LEN 64
738

unknown's avatar
unknown committed
739
static int
unknown's avatar
unknown committed
740
store_create_info(THD *thd, TABLE_LIST *table_list, String *packet)
unknown's avatar
unknown committed
741
{
742
  List<Item> field_list;
743 744
  char tmp[MAX_FIELD_WIDTH], *for_str, buff[128], *end;
  const char *alias;
745
  String type(tmp, sizeof(tmp), system_charset_info);
746 747 748
  Field **ptr,*field;
  uint primary_key;
  KEY *key_info;
unknown's avatar
unknown committed
749
  TABLE *table= table_list->table;
750
  handler *file= table->file;
751
  TABLE_SHARE *share= table->s;
752
  HA_CREATE_INFO create_info;
753 754 755 756
  my_bool foreign_db_mode=    (thd->variables.sql_mode & (MODE_POSTGRESQL |
							  MODE_ORACLE |
							  MODE_MSSQL |
							  MODE_DB2 |
757
							  MODE_MAXDB |
758 759 760 761
							  MODE_ANSI)) != 0;
  my_bool limited_mysql_mode= (thd->variables.sql_mode &
			       (MODE_NO_FIELD_OPTIONS | MODE_MYSQL323 |
				MODE_MYSQL40)) != 0;
unknown's avatar
unknown committed
762
  DBUG_ENTER("store_create_info");
763
  DBUG_PRINT("enter",("table: %s", table->s->table_name));
unknown's avatar
unknown committed
764

765
  restore_record(table, s->default_values); // Get empty record
766

767
  if (share->tmp_table)
768 769 770
    packet->append("CREATE TEMPORARY TABLE ", 23);
  else
    packet->append("CREATE TABLE ", 13);
unknown's avatar
unknown committed
771
  if (table_list->schema_table)
772
    alias= table_list->schema_table->table_name;
unknown's avatar
unknown committed
773
  else
774 775
    alias= (lower_case_table_names == 2 ? table->alias :
            share->table_name);
unknown's avatar
unknown committed
776
  append_identifier(thd, packet, alias, strlen(alias));
777
  packet->append(" (\n", 3);
778

unknown's avatar
unknown committed
779 780
  for (ptr=table->field ; (field= *ptr); ptr++)
  {
781
    bool has_default;
782
    bool has_now_default;
783 784
    uint flags = field->flags;

785
    if (ptr != table->field)
786
      packet->append(",\n", 2);
787

788
    packet->append("  ", 2);
789
    append_identifier(thd,packet,field->field_name, strlen(field->field_name));
unknown's avatar
unknown committed
790 791
    packet->append(' ');
    // check for surprises from the previous call to Field::sql_type()
792
    if (type.ptr() != tmp)
793
      type.set(tmp, sizeof(tmp), system_charset_info);
unknown's avatar
unknown committed
794 795
    else
      type.set_charset(system_charset_info);
796

unknown's avatar
unknown committed
797
    field->sql_type(type);
798
    packet->append(type.ptr(), type.length(), system_charset_info);
799

800
    if (field->has_charset() && !limited_mysql_mode && !foreign_db_mode)
801
    {
802
      if (field->charset() != share->table_charset)
803
      {
804 805 806 807 808 809 810 811 812 813 814
	packet->append(" character set ", 15);
	packet->append(field->charset()->csname);
      }
      /* 
	For string types dump collation name only if 
	collation is not primary for the given charset
      */
      if (!(field->charset()->state & MY_CS_PRIMARY))
      {
	packet->append(" collate ", 9);
	packet->append(field->charset()->name);
815
      }
816
    }
817

818 819
    if (flags & NOT_NULL_FLAG)
      packet->append(" NOT NULL", 9);
820 821 822 823 824 825 826 827
    else if (field->type() == FIELD_TYPE_TIMESTAMP)
    {
      /*
        TIMESTAMP field require explicit NULL flag, because unlike
        all other fields they are treated as NOT NULL by default.
      */
      packet->append(" NULL", 5);
    }
828 829

    /* 
830
      Again we are using CURRENT_TIMESTAMP instead of NOW because it is
831 832 833 834 835
      more standard 
    */
    has_now_default= table->timestamp_field == field && 
                     field->unireg_check != Field::TIMESTAMP_UN_FIELD;
    
836
    has_default= (field->type() != FIELD_TYPE_BLOB &&
unknown's avatar
unknown committed
837
                  !(field->flags & NO_DEFAULT_VALUE_FLAG) &&
838 839 840
		  field->unireg_check != Field::NEXT_NUMBER &&
                  !((foreign_db_mode || limited_mysql_mode) &&
                    has_now_default));
841

842
    if (has_default)
843 844
    {
      packet->append(" default ", 9);
845 846 847
      if (has_now_default)
        packet->append("CURRENT_TIMESTAMP",17);
      else if (!field->is_null())
848
      {                                             // Not null by default
849
        type.set(tmp, sizeof(tmp), field->charset());
850
        field->val_str(&type);
851
	if (type.length())
852
	{
853
	  String def_val;
854
          uint dummy_errors;
855 856
	  /* convert to system_charset_info == utf8 */
	  def_val.copy(type.ptr(), type.length(), field->charset(),
857
		       system_charset_info, &dummy_errors);
858 859
          append_unescaped(packet, def_val.ptr(), def_val.length());
	}
860 861
        else
	  packet->append("''",2);
unknown's avatar
unknown committed
862
      }
863
      else if (field->maybe_null())
864 865
        packet->append("NULL", 4);                    // Null as default
      else
866
        packet->append(tmp);
867
    }
868

869 870 871 872 873
    if (!foreign_db_mode && !limited_mysql_mode &&
        table->timestamp_field == field && 
        field->unireg_check != Field::TIMESTAMP_DN_FIELD)
      packet->append(" on update CURRENT_TIMESTAMP",28);

874
    if (field->unireg_check == Field::NEXT_NUMBER && !foreign_db_mode)
875 876 877 878 879 880 881
      packet->append(" auto_increment", 15 );

    if (field->comment.length)
    {
      packet->append(" COMMENT ",9);
      append_unescaped(packet, field->comment.str, field->comment.length);
    }
unknown's avatar
unknown committed
882 883
  }

884 885
  key_info= table->key_info;
  file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK | HA_STATUS_TIME);
886
  bzero((char*) &create_info, sizeof(create_info));
887
  file->update_create_info(&create_info);
888
  primary_key= share->primary_key;
889

890
  for (uint i=0 ; i < share->keys ; i++,key_info++)
unknown's avatar
unknown committed
891
  {
892 893
    KEY_PART_INFO *key_part= key_info->key_part;
    bool found_primary=0;
894
    packet->append(",\n  ", 4);
895

896
    if (i == primary_key && !strcmp(key_info->name, primary_key_name))
897 898
    {
      found_primary=1;
899
      packet->append("PRIMARY ", 8);
900
    }
901
    else if (key_info->flags & HA_NOSAME)
902
      packet->append("UNIQUE ", 7);
903
    else if (key_info->flags & HA_FULLTEXT)
904
      packet->append("FULLTEXT ", 9);
unknown's avatar
unknown committed
905 906
    else if (key_info->flags & HA_SPATIAL)
      packet->append("SPATIAL ", 8);
907
    packet->append("KEY ", 4);
unknown's avatar
unknown committed
908

909
    if (!found_primary)
910
     append_identifier(thd, packet, key_info->name, strlen(key_info->name));
unknown's avatar
unknown committed
911

912 913 914
    if (!(thd->variables.sql_mode & MODE_NO_KEY_OPTIONS) &&
	!limited_mysql_mode && !foreign_db_mode)
    {
915
      if (key_info->algorithm == HA_KEY_ALG_BTREE)
unknown's avatar
Merge  
unknown committed
916 917
        packet->append(" USING BTREE", 12);

918
      if (key_info->algorithm == HA_KEY_ALG_HASH)
unknown's avatar
Merge  
unknown committed
919 920
        packet->append(" USING HASH", 11);

921 922 923
      // +BAR: send USING only in non-default case: non-spatial rtree
      if ((key_info->algorithm == HA_KEY_ALG_RTREE) &&
	  !(key_info->flags & HA_SPATIAL))
unknown's avatar
Merge  
unknown committed
924
        packet->append(" USING RTREE", 12);
925

unknown's avatar
Merge  
unknown committed
926
      // No need to send USING FULLTEXT, it is sent as FULLTEXT KEY
927
    }
928
    packet->append(" (", 2);
929

unknown's avatar
unknown committed
930 931
    for (uint j=0 ; j < key_info->key_parts ; j++,key_part++)
    {
932
      if (j)
933
        packet->append(',');
934

935
      if (key_part->field)
936 937
        append_identifier(thd,packet,key_part->field->field_name,
			  strlen(key_part->field->field_name));
unknown's avatar
unknown committed
938
      if (!key_part->field ||
939 940 941
          (key_part->length !=
           table->field[key_part->fieldnr-1]->key_length() &&
           !(key_info->flags & HA_FULLTEXT)))
unknown's avatar
unknown committed
942
      {
943
        buff[0] = '(';
944 945 946
        char* end=int10_to_str((long) key_part->length / 
			       key_part->field->charset()->mbmaxlen,
			       buff + 1,10);
947 948
        *end++ = ')';
        packet->append(buff,(uint) (end-buff));
unknown's avatar
unknown committed
949 950 951 952
      }
    }
    packet->append(')');
  }
953

954 955 956 957
  /*
    Get possible foreign key definitions stored in InnoDB and append them
    to the CREATE TABLE statement
  */
958

959
  if ((for_str= file->get_foreign_key_create_info()))
960 961 962
  {
    packet->append(for_str, strlen(for_str));
    file->free_foreign_key_create_info(for_str);
963 964 965
  }

  packet->append("\n)", 2);
966
  if (!(thd->variables.sql_mode & MODE_NO_TABLE_OPTIONS) && !foreign_db_mode)
967
  {
unknown's avatar
unknown committed
968 969 970 971
    if (thd->variables.sql_mode & (MODE_MYSQL323 | MODE_MYSQL40))
      packet->append(" TYPE=", 6);
    else
      packet->append(" ENGINE=", 8);
972 973
    packet->append(file->table_type());
    
974
    if (share->table_charset &&
975 976
	!(thd->variables.sql_mode & MODE_MYSQL323) &&
	!(thd->variables.sql_mode & MODE_MYSQL40))
977
    {
978
      packet->append(" DEFAULT CHARSET=", 17);
979 980
      packet->append(share->table_charset->csname);
      if (!(share->table_charset->state & MY_CS_PRIMARY))
981
      {
982
	packet->append(" COLLATE=", 9);
983
	packet->append(table->s->table_charset->name);
984
      }
985
    }
986

987
    if (share->min_rows)
988
    {
989
      packet->append(" MIN_ROWS=", 10);
990
      end= longlong10_to_str(share->min_rows, buff, 10);
unknown's avatar
unknown committed
991
      packet->append(buff, (uint) (end- buff));
992
    }
unknown's avatar
unknown committed
993

994
    if (share->max_rows && !table_list->schema_table)
995
    {
996
      packet->append(" MAX_ROWS=", 10);
997
      end= longlong10_to_str(share->max_rows, buff, 10);
unknown's avatar
unknown committed
998
      packet->append(buff, (uint) (end - buff));
999
    }
unknown's avatar
unknown committed
1000

1001
    if (share->avg_row_length)
1002
    {
1003
      packet->append(" AVG_ROW_LENGTH=", 16);
1004
      end= longlong10_to_str(share->avg_row_length, buff,10);
unknown's avatar
unknown committed
1005
      packet->append(buff, (uint) (end - buff));
1006
    }
1007

1008
    if (share->db_create_options & HA_OPTION_PACK_KEYS)
1009
      packet->append(" PACK_KEYS=1", 12);
1010
    if (share->db_create_options & HA_OPTION_NO_PACK_KEYS)
1011
      packet->append(" PACK_KEYS=0", 12);
1012
    if (share->db_create_options & HA_OPTION_CHECKSUM)
1013
      packet->append(" CHECKSUM=1", 11);
1014
    if (share->db_create_options & HA_OPTION_DELAY_KEY_WRITE)
1015
      packet->append(" DELAY_KEY_WRITE=1",18);
1016
    if (share->row_type != ROW_TYPE_DEFAULT)
1017 1018
    {
      packet->append(" ROW_FORMAT=",12);
1019
      packet->append(ha_row_type[(uint) share->row_type]);
1020 1021
    }
    table->file->append_create_info(packet);
1022
    if (share->comment && share->comment[0])
1023 1024
    {
      packet->append(" COMMENT=", 9);
1025
      append_unescaped(packet, share->comment, strlen(share->comment));
1026 1027 1028
    }
    if (file->raid_type)
    {
unknown's avatar
unknown committed
1029 1030 1031 1032 1033 1034
      uint length;
      length= my_snprintf(buff,sizeof(buff),
			  " RAID_TYPE=%s RAID_CHUNKS=%d RAID_CHUNKSIZE=%ld",
			  my_raid_type(file->raid_type), file->raid_chunks,
			  file->raid_chunksize/RAID_BLOCK_SIZE);
      packet->append(buff, length);
1035
    }
unknown's avatar
unknown committed
1036 1037
    append_directory(thd, packet, "DATA",  create_info.data_file_name);
    append_directory(thd, packet, "INDEX", create_info.index_file_name);
1038
  }
unknown's avatar
unknown committed
1039 1040 1041 1042
  DBUG_RETURN(0);
}


unknown's avatar
VIEW  
unknown committed
1043 1044 1045 1046 1047 1048 1049 1050 1051 1052
static int
view_store_create_info(THD *thd, TABLE_LIST *table, String *buff)
{
  my_bool foreign_db_mode= (thd->variables.sql_mode & (MODE_POSTGRESQL |
                                                       MODE_ORACLE |
                                                       MODE_MSSQL |
                                                       MODE_DB2 |
                                                       MODE_MAXDB |
                                                       MODE_ANSI)) != 0;
  buff->append("CREATE ", 7);
1053
  if (!foreign_db_mode)
unknown's avatar
VIEW  
unknown committed
1054 1055
  {
    buff->append("ALGORITHM=", 10);
1056
    switch((int8)table->algorithm)
1057 1058 1059 1060 1061
    {
    case VIEW_ALGORITHM_UNDEFINED:
      buff->append("UNDEFINED ", 10);
      break;
    case VIEW_ALGORITHM_TMPTABLE:
1062
      buff->append("TEMPTABLE ", 10);
1063 1064
      break;
    case VIEW_ALGORITHM_MERGE:
unknown's avatar
VIEW  
unknown committed
1065
      buff->append("MERGE ", 6);
1066 1067 1068 1069
      break;
    default:
	DBUG_ASSERT(0); // never should happen
    }
unknown's avatar
VIEW  
unknown committed
1070 1071
  }
  buff->append("VIEW ", 5);
1072
  append_identifier(thd, buff, table->view_db.str, table->view_db.length);
unknown's avatar
VIEW  
unknown committed
1073
  buff->append('.');
1074
  append_identifier(thd, buff, table->view_name.str, table->view_name.length);
unknown's avatar
VIEW  
unknown committed
1075
  buff->append(" AS ", 4);
1076 1077 1078 1079 1080 1081 1082

  /*
    We can't just use table->query, because our SQL_MODE may trigger
    a different syntax, like when ANSI_QUOTES is defined.
  */
  table->view->unit.print(buff);

1083 1084 1085 1086 1087 1088 1089
  if (table->with_check != VIEW_CHECK_NONE)
  {
    if (table->with_check == VIEW_CHECK_LOCAL)
      buff->append(" WITH LOCAL CHECK OPTION", 24);
    else
      buff->append(" WITH CASCADED CHECK OPTION", 27);
  }
unknown's avatar
VIEW  
unknown committed
1090 1091 1092 1093
  return 0;
}


unknown's avatar
unknown committed
1094
/****************************************************************************
1095 1096
  Return info about all processes
  returns for each thread: thread id, user, host, db, command, info
unknown's avatar
unknown committed
1097 1098 1099 1100
****************************************************************************/

class thread_info :public ilink {
public:
unknown's avatar
unknown committed
1101 1102 1103 1104
  static void *operator new(size_t size)
  {
    return (void*) sql_alloc((uint) size);
  }
unknown's avatar
unknown committed
1105
  static void operator delete(void *ptr __attribute__((unused)),
unknown's avatar
unknown committed
1106 1107
                              size_t size __attribute__((unused)))
  { TRASH(ptr, size); }
unknown's avatar
unknown committed
1108

unknown's avatar
unknown committed
1109 1110
  ulong thread_id;
  time_t start_time;
1111
  uint   command;
unknown's avatar
unknown committed
1112 1113 1114 1115
  const char *user,*host,*db,*proc_info,*state_info;
  char *query;
};

1116
#ifdef HAVE_EXPLICIT_TEMPLATE_INSTANTIATION
unknown's avatar
unknown committed
1117 1118 1119 1120 1121 1122 1123 1124
template class I_List<thread_info>;
#endif

void mysqld_list_processes(THD *thd,const char *user, bool verbose)
{
  Item *field;
  List<Item> field_list;
  I_List<thread_info> thread_infos;
unknown's avatar
unknown committed
1125 1126
  ulong max_query_length= (verbose ? thd->variables.max_allowed_packet :
			   PROCESS_LIST_WIDTH);
1127
  Protocol *protocol= thd->protocol;
unknown's avatar
unknown committed
1128 1129
  DBUG_ENTER("mysqld_list_processes");

1130
  field_list.push_back(new Item_int("Id",0,11));
unknown's avatar
unknown committed
1131
  field_list.push_back(new Item_empty_string("User",16));
1132
  field_list.push_back(new Item_empty_string("Host",LIST_PROCESS_HOST_LEN));
unknown's avatar
unknown committed
1133 1134 1135
  field_list.push_back(field=new Item_empty_string("db",NAME_LEN));
  field->maybe_null=1;
  field_list.push_back(new Item_empty_string("Command",16));
1136
  field_list.push_back(new Item_return_int("Time",7, FIELD_TYPE_LONG));
unknown's avatar
unknown committed
1137 1138 1139 1140
  field_list.push_back(field=new Item_empty_string("State",30));
  field->maybe_null=1;
  field_list.push_back(field=new Item_empty_string("Info",max_query_length));
  field->maybe_null=1;
1141 1142
  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
unknown's avatar
unknown committed
1143 1144 1145 1146 1147 1148 1149 1150 1151
    DBUG_VOID_RETURN;

  VOID(pthread_mutex_lock(&LOCK_thread_count)); // For unlink from list
  if (!thd->killed)
  {
    I_List_iterator<THD> it(threads);
    THD *tmp;
    while ((tmp=it++))
    {
1152
      struct st_my_thread_var *mysys_var;
1153
      if ((tmp->vio_ok() || tmp->system_thread) &&
unknown's avatar
SCRUM  
unknown committed
1154
          (!user || (tmp->user && !strcmp(tmp->user,user))))
unknown's avatar
unknown committed
1155
      {
1156 1157 1158
        thread_info *thd_info=new thread_info;

        thd_info->thread_id=tmp->thread_id;
1159 1160 1161
        thd_info->user=thd->strdup(tmp->user ? tmp->user :
				   (tmp->system_thread ?
				    "system user" : "unauthenticated user"));
1162
	if (tmp->peer_port && (tmp->host || tmp->ip) && thd->host_or_ip[0])
1163 1164
	{
	  if ((thd_info->host= thd->alloc(LIST_PROCESS_HOST_LEN+1)))
unknown's avatar
unknown committed
1165
	    my_snprintf((char *) thd_info->host, LIST_PROCESS_HOST_LEN,
1166
			"%s:%u", tmp->host_or_ip, tmp->peer_port);
1167 1168
	}
	else
1169
	  thd_info->host= thd->strdup(tmp->host_or_ip);
1170 1171 1172
        if ((thd_info->db=tmp->db))             // Safe test
          thd_info->db=thd->strdup(thd_info->db);
        thd_info->command=(int) tmp->command;
1173 1174
        if ((mysys_var= tmp->mysys_var))
          pthread_mutex_lock(&mysys_var->mutex);
unknown's avatar
SCRUM  
unknown committed
1175
        thd_info->proc_info= (char*) (tmp->killed == THD::KILL_CONNECTION? "Killed" : 0);
unknown's avatar
SCRUM  
unknown committed
1176
#ifndef EMBEDDED_LIBRARY
1177 1178 1179 1180 1181 1182 1183 1184 1185 1186
        thd_info->state_info= (char*) (tmp->locked ? "Locked" :
                                       tmp->net.reading_or_writing ?
                                       (tmp->net.reading_or_writing == 2 ?
                                        "Writing to net" :
                                        thd_info->command == COM_SLEEP ? "" :
                                        "Reading from net") :
                                       tmp->proc_info ? tmp->proc_info :
                                       tmp->mysys_var &&
                                       tmp->mysys_var->current_cond ?
                                       "Waiting on cond" : NullS);
unknown's avatar
SCRUM  
unknown committed
1187 1188 1189
#else
        thd_info->state_info= (char*)"Writing to net";
#endif
1190 1191
        if (mysys_var)
          pthread_mutex_unlock(&mysys_var->mutex);
unknown's avatar
unknown committed
1192 1193

#if !defined(DONT_USE_THR_ALARM) && ! defined(SCO)
1194 1195
        if (pthread_kill(tmp->real_id,0))
          tmp->proc_info="*** DEAD ***";        // This shouldn't happen
unknown's avatar
unknown committed
1196
#endif
unknown's avatar
unknown committed
1197 1198 1199
#ifdef EXTRA_DEBUG
        thd_info->start_time= tmp->time_after_lock;
#else
1200
        thd_info->start_time= tmp->start_time;
unknown's avatar
unknown committed
1201
#endif
1202 1203 1204
        thd_info->query=0;
        if (tmp->query)
        {
unknown's avatar
unknown committed
1205 1206 1207 1208 1209
	  /* 
            query_length is always set to 0 when we set query = NULL; see
	    the comment in sql_class.h why this prevents crashes in possible
            races with query_length
          */
unknown's avatar
unknown committed
1210
          uint length= min(max_query_length, tmp->query_length);
1211
          thd_info->query=(char*) thd->strmake(tmp->query,length);
1212 1213
        }
        thread_infos.append(thd_info);
unknown's avatar
unknown committed
1214 1215 1216 1217 1218 1219
      }
    }
  }
  VOID(pthread_mutex_unlock(&LOCK_thread_count));

  thread_info *thd_info;
1220
  time_t now= time(0);
unknown's avatar
unknown committed
1221 1222
  while ((thd_info=thread_infos.get()))
  {
1223 1224
    protocol->prepare_for_resend();
    protocol->store((ulonglong) thd_info->thread_id);
1225 1226 1227
    protocol->store(thd_info->user, system_charset_info);
    protocol->store(thd_info->host, system_charset_info);
    protocol->store(thd_info->db, system_charset_info);
unknown's avatar
unknown committed
1228
    if (thd_info->proc_info)
1229
      protocol->store(thd_info->proc_info, system_charset_info);
unknown's avatar
unknown committed
1230
    else
1231
      protocol->store(command_name[thd_info->command], system_charset_info);
unknown's avatar
unknown committed
1232
    if (thd_info->start_time)
1233
      protocol->store((uint32) (now - thd_info->start_time));
unknown's avatar
unknown committed
1234
    else
1235
      protocol->store_null();
1236 1237
    protocol->store(thd_info->state_info, system_charset_info);
    protocol->store(thd_info->query, system_charset_info);
1238
    if (protocol->write())
unknown's avatar
unknown committed
1239 1240
      break; /* purecov: inspected */
  }
1241
  send_eof(thd);
unknown's avatar
unknown committed
1242 1243 1244 1245
  DBUG_VOID_RETURN;
}

/*****************************************************************************
unknown's avatar
unknown committed
1246
  Status functions
unknown's avatar
unknown committed
1247 1248
*****************************************************************************/

1249 1250

static bool show_status_array(THD *thd, const char *wild,
1251 1252 1253 1254
                              show_var_st *variables,
                              enum enum_var_type value_type,
                              struct system_status_var *status_var,
                              const char *prefix, TABLE *table)
unknown's avatar
unknown committed
1255
{
1256 1257 1258 1259
  char buff[1024], *prefix_end;
  /* the variable name should not be longer then 80 characters */
  char name_buffer[80];
  int len;
1260
  LEX_STRING null_lex_str;
1261
  DBUG_ENTER("show_status_array");
unknown's avatar
unknown committed
1262

1263
  null_lex_str.str= 0;				// For sys_var->value_ptr()
1264
  null_lex_str.length= 0;
unknown's avatar
unknown committed
1265

1266 1267 1268
  prefix_end=strnmov(name_buffer, prefix, sizeof(name_buffer)-1);
  len=name_buffer + sizeof(name_buffer) - prefix_end;

unknown's avatar
unknown committed
1269
  for (; variables->name; variables++)
unknown's avatar
unknown committed
1270
  {
1271 1272 1273 1274 1275 1276
    strnmov(prefix_end, variables->name, len);
    name_buffer[sizeof(name_buffer)-1]=0;       /* Safety */
    SHOW_TYPE show_type=variables->type;
    if (show_type == SHOW_VARS)
    {
      show_status_array(thd, wild, (show_var_st *) variables->value,
1277
                        value_type, status_var, variables->name, table);
1278 1279
    }
    else
unknown's avatar
unknown committed
1280
    {
1281 1282
      if (!(wild && wild[0] && wild_case_compare(system_charset_info,
                                                 name_buffer, wild)))
unknown's avatar
unknown committed
1283
      {
1284
        char *value=variables->value;
unknown's avatar
unknown committed
1285
        const char *pos, *end;                  // We assign a lot of const's
1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320
        long nr;
        if (show_type == SHOW_SYS)
        {
          show_type= ((sys_var*) value)->type();
          value=     (char*) ((sys_var*) value)->value_ptr(thd, value_type,
                                                           &null_lex_str);
        }

        pos= end= buff;
        switch (show_type) {
        case SHOW_LONG_STATUS:
        case SHOW_LONG_CONST_STATUS:
          value= ((char *) status_var + (ulong) value);
          /* fall through */
        case SHOW_LONG:
        case SHOW_LONG_CONST:
          end= int10_to_str(*(long*) value, buff, 10);
          break;
        case SHOW_LONGLONG:
          end= longlong10_to_str(*(longlong*) value, buff, 10);
          break;
        case SHOW_HA_ROWS:
          end= longlong10_to_str((longlong) *(ha_rows*) value, buff, 10);
          break;
        case SHOW_BOOL:
          end= strmov(buff, *(bool*) value ? "ON" : "OFF");
          break;
        case SHOW_MY_BOOL:
          end= strmov(buff, *(my_bool*) value ? "ON" : "OFF");
          break;
        case SHOW_INT_CONST:
        case SHOW_INT:
          end= int10_to_str((long) *(uint32*) value, buff, 10);
          break;
        case SHOW_HAVE:
unknown's avatar
unknown committed
1321 1322 1323 1324 1325 1326
        {
          SHOW_COMP_OPTION tmp= *(SHOW_COMP_OPTION*) value;
          pos= show_comp_option_name[(int) tmp];
          end= strend(pos);
          break;
        }
1327
        case SHOW_CHAR:
unknown's avatar
unknown committed
1328 1329 1330 1331 1332 1333
        {
          if (!(pos= value))
            pos= "";
          end= strend(pos);
          break;
        }
1334 1335 1336 1337 1338 1339 1340
        case SHOW_STARTTIME:
          nr= (long) (thd->query_start() - start_time);
          end= int10_to_str(nr, buff, 10);
          break;
        case SHOW_QUESTION:
          end= int10_to_str((long) thd->query_id, buff, 10);
          break;
unknown's avatar
unknown committed
1341
#ifdef HAVE_REPLICATION
1342 1343 1344 1345
        case SHOW_RPL_STATUS:
          end= strmov(buff, rpl_status_type[(int)rpl_status]);
          break;
        case SHOW_SLAVE_RUNNING:
unknown's avatar
unknown committed
1346 1347 1348 1349 1350 1351 1352
        {
          pthread_mutex_lock(&LOCK_active_mi);
          end= strmov(buff, (active_mi->slave_running &&
                             active_mi->rli.slave_running) ? "ON" : "OFF");
          pthread_mutex_unlock(&LOCK_active_mi);
          break;
        }
unknown's avatar
unknown committed
1353 1354 1355
        case SHOW_SLAVE_RETRIED_TRANS:
        {
          /*
unknown's avatar
unknown committed
1356 1357
            TODO: in 5.1 with multimaster, have one such counter per line in
            SHOW SLAVE STATUS, and have the sum over all lines here.
unknown's avatar
unknown committed
1358 1359 1360 1361 1362 1363 1364 1365
          */
	  pthread_mutex_lock(&LOCK_active_mi);
          pthread_mutex_lock(&active_mi->rli.data_lock);
	  end= int10_to_str(active_mi->rli.retried_trans, buff, 10);
          pthread_mutex_unlock(&active_mi->rli.data_lock);
	  pthread_mutex_unlock(&LOCK_active_mi);
	  break;
        }
1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378
        case SHOW_SLAVE_SKIP_ERRORS:
        {
          MY_BITMAP *bitmap= (MY_BITMAP *)value;
          if (!use_slave_mask || bitmap_is_clear_all(bitmap))
          {
            end= strmov(buff, "OFF");
          }
          else if (bitmap_is_set_all(bitmap))
          {
            end= strmov(buff, "ALL");
          }
          else
          {
unknown's avatar
unknown committed
1379 1380 1381 1382 1383
            /* 10 is enough assuming errors are max 4 digits */
            int i;
            for (i= 1;
                 i < MAX_SLAVE_ERROR && (uint) (end-buff) < sizeof(buff)-10;
                 i++)
1384 1385 1386
            {
              if (bitmap_is_set(bitmap, i))
              {
1387 1388
                end= int10_to_str(i, (char*) end, 10);
                *(char*) end++= ',';
1389 1390 1391 1392
              }
            }
            if (end != buff)
              end--;				// Remove last ','
unknown's avatar
unknown committed
1393 1394
            if (i < MAX_SLAVE_ERROR)
              end= strmov((char*) end, "...");  // Couldn't show all errors
1395 1396 1397
          }
          break;
        }
unknown's avatar
unknown committed
1398
#endif /* HAVE_REPLICATION */
1399 1400 1401 1402
        case SHOW_OPENTABLES:
          end= int10_to_str((long) cached_tables(), buff, 10);
          break;
        case SHOW_CHAR_PTR:
unknown's avatar
unknown committed
1403 1404 1405 1406 1407 1408
        {
          if (!(pos= *(char**) value))
            pos= "";
          end= strend(pos);
          break;
        }
1409
        case SHOW_DOUBLE_STATUS:
unknown's avatar
unknown committed
1410
        {
1411
          value= ((char *) status_var + (ulong) value);
unknown's avatar
unknown committed
1412 1413 1414
          end= buff + sprintf(buff, "%f", *(double*) value);
          break;
        }
unknown's avatar
unknown committed
1415
#ifdef HAVE_OPENSSL
1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 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 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507
          /* First group - functions relying on CTX */
        case SHOW_SSL_CTX_SESS_ACCEPT:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_accept(ssl_acceptor_fd->
                                                        ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_ACCEPT_GOOD:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_accept_good(ssl_acceptor_fd->
                                                             ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_CONNECT_GOOD:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_connect_good(ssl_acceptor_fd->
                                                              ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_accept_renegotiate(ssl_acceptor_fd->ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_connect_renegotiate(ssl_acceptor_fd-> ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_CB_HITS:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_cb_hits(ssl_acceptor_fd->
                                                         ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_HITS:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_hits(ssl_acceptor_fd->
                                                      ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_CACHE_FULL:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_cache_full(ssl_acceptor_fd->
                                                            ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_MISSES:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_misses(ssl_acceptor_fd->
                                                        ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_TIMEOUTS:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_timeouts(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_SESS_NUMBER:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_number(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_SESS_CONNECT:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_connect(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_SESS_GET_CACHE_SIZE:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_get_cache_size(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_GET_VERIFY_MODE:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_get_verify_mode(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_GET_VERIFY_DEPTH:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_get_verify_depth(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_GET_SESSION_CACHE_MODE:
          if (!ssl_acceptor_fd)
          {
            pos= "NONE";
            end= pos+4;
            break;
          }
          switch (SSL_CTX_get_session_cache_mode(ssl_acceptor_fd->ssl_context))
          {
unknown's avatar
unknown committed
1508
          case SSL_SESS_CACHE_OFF:
1509
            pos= "OFF";
1510
            break;
unknown's avatar
unknown committed
1511
          case SSL_SESS_CACHE_CLIENT:
1512
            pos= "CLIENT";
1513
            break;
unknown's avatar
unknown committed
1514
          case SSL_SESS_CACHE_SERVER:
1515
            pos= "SERVER";
1516
            break;
unknown's avatar
unknown committed
1517
          case SSL_SESS_CACHE_BOTH:
1518
            pos= "BOTH";
1519
            break;
unknown's avatar
unknown committed
1520
          case SSL_SESS_CACHE_NO_AUTO_CLEAR:
1521
            pos= "NO_AUTO_CLEAR";
1522
            break;
unknown's avatar
unknown committed
1523
          case SSL_SESS_CACHE_NO_INTERNAL_LOOKUP:
1524
            pos= "NO_INTERNAL_LOOKUP";
1525 1526
            break;
          default:
1527
            pos= "Unknown";
1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587
            break;
          }
          end= strend(pos);
          break;
          /* First group - functions relying on SSL */
        case SHOW_SSL_GET_VERSION:
          pos= (thd->net.vio->ssl_arg ?
                SSL_get_version((SSL*) thd->net.vio->ssl_arg) : "");
          end= strend(pos);
          break;
        case SHOW_SSL_SESSION_REUSED:
          end= int10_to_str((long) (thd->net.vio->ssl_arg ?
                                    SSL_session_reused((SSL*) thd->net.vio->
                                                       ssl_arg) :
                                    0),
                            buff, 10);
          break;
        case SHOW_SSL_GET_DEFAULT_TIMEOUT:
          end= int10_to_str((long) (thd->net.vio->ssl_arg ?
                                    SSL_get_default_timeout((SSL*) thd->net.vio->
                                                            ssl_arg) :
                                    0),
                            buff, 10);
          break;
        case SHOW_SSL_GET_VERIFY_MODE:
          end= int10_to_str((long) (thd->net.vio->ssl_arg ?
                                    SSL_get_verify_mode((SSL*) thd->net.vio->
                                                        ssl_arg):
                                    0),
                            buff, 10);
          break;
        case SHOW_SSL_GET_VERIFY_DEPTH:
          end= int10_to_str((long) (thd->net.vio->ssl_arg ?
                                    SSL_get_verify_depth((SSL*) thd->net.vio->
                                                         ssl_arg):
                                    0),
                            buff, 10);
          break;
        case SHOW_SSL_GET_CIPHER:
          pos= (thd->net.vio->ssl_arg ?
                SSL_get_cipher((SSL*) thd->net.vio->ssl_arg) : "" );
          end= strend(pos);
          break;
        case SHOW_SSL_GET_CIPHER_LIST:
          if (thd->net.vio->ssl_arg)
          {
            char *to= buff;
            for (int i=0 ; i++ ;)
            {
              const char *p= SSL_get_cipher_list((SSL*) thd->net.vio->ssl_arg,i);
              if (p == NULL)
                break;
              to= strmov(to, p);
              *to++= ':';
            }
            if (to != buff)
              to--;				// Remove last ':'
            end= to;
          }
          break;
unknown's avatar
unknown committed
1588 1589

#endif /* HAVE_OPENSSL */
1590 1591
        case SHOW_KEY_CACHE_LONG:
        case SHOW_KEY_CACHE_CONST_LONG:
1592
          value= (value-(char*) &dflt_key_cache_var)+ (char*) dflt_key_cache;
1593 1594 1595 1596 1597 1598 1599 1600
          end= int10_to_str(*(long*) value, buff, 10);
          break;
        case SHOW_UNDEF:				// Show never happen
        case SHOW_SYS:
          break;					// Return empty string
        default:
          break;
        }
1601
        restore_record(table, s->default_values);
1602 1603 1604
        table->field[0]->store(name_buffer, strlen(name_buffer),
                               system_charset_info);
        table->field[1]->store(pos, (uint32) (end - pos), system_charset_info);
1605 1606
        if (schema_table_store_record(thd, table))
          DBUG_RETURN(TRUE);
unknown's avatar
unknown committed
1607 1608 1609
      }
    }
  }
1610 1611 1612 1613 1614

  DBUG_RETURN(FALSE);
}


1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638
/* collect status for all running threads */

void calc_sum_of_all_status(STATUS_VAR *to)
{
  DBUG_ENTER("calc_sum_of_all_status");

  /* Ensure that thread id not killed during loop */
  VOID(pthread_mutex_lock(&LOCK_thread_count)); // For unlink from list

  I_List_iterator<THD> it(threads);
  THD *tmp;
  
  /* Get global values as base */
  *to= global_status_var;
  
  /* Add to this status from existing threads */
  while ((tmp= it++))
    add_to_status(to, &tmp->status_var);
  
  VOID(pthread_mutex_unlock(&LOCK_thread_count));
  DBUG_VOID_RETURN;
}


1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653
LEX_STRING *make_lex_string(THD *thd, LEX_STRING *lex_str,
                            const char* str, uint length,
                            bool allocate_lex_string)
{
  MEM_ROOT *mem= thd->mem_root;
  if (allocate_lex_string)
    lex_str= (LEX_STRING *)thd->alloc(sizeof(LEX_STRING));
  lex_str->str= strmake_root(mem, str, length);
  lex_str->length= length;
  return lex_str;
}


/* INFORMATION_SCHEMA name */
LEX_STRING information_schema_name= {(char*)"information_schema", 18};
unknown's avatar
unknown committed
1654 1655

/* This is only used internally, but we need it here as a forward reference */
1656 1657 1658 1659 1660 1661 1662 1663
extern ST_SCHEMA_TABLE schema_tables[];

typedef struct st_index_field_values
{
  const char *db_value, *table_value;
} INDEX_FIELD_VALUES;


1664 1665 1666 1667 1668 1669 1670
/*
  Store record to I_S table, convert HEAP table
  to MyISAM if necessary

  SYNOPSIS
    schema_table_store_record()
    thd                   thread handler
1671 1672
    table                 Information schema table to be updated

1673 1674
  RETURN
    0	                  success
1675
    1	                  error
1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691
*/

static bool schema_table_store_record(THD *thd, TABLE *table)
{
  int error;
  if ((error= table->file->write_row(table->record[0])))
  {
    if (create_myisam_from_heap(thd, table, 
                                table->pos_in_table_list->schema_table_param,
                                error, 0))
      return 1;
  }
  return 0;
}


1692 1693 1694 1695 1696 1697 1698 1699 1700
void get_index_field_values(LEX *lex, INDEX_FIELD_VALUES *index_field_values)
{
  const char *wild= lex->wild ? lex->wild->ptr() : NullS;
  switch (lex->orig_sql_command) {
  case SQLCOM_SHOW_DATABASES:
    index_field_values->db_value= wild;
    break;
  case SQLCOM_SHOW_TABLES:
  case SQLCOM_SHOW_TABLE_STATUS:
1701
  case SQLCOM_SHOW_TRIGGERS:
1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723
    index_field_values->db_value= lex->current_select->db;
    index_field_values->table_value= wild;
    break;
  default:
    index_field_values->db_value= NullS;
    index_field_values->table_value= NullS;
    break;
  }
}


int make_table_list(THD *thd, SELECT_LEX *sel,
                    char *db, char *table)
{
  Table_ident *table_ident;
  LEX_STRING ident_db, ident_table;
  ident_db.str= db; 
  ident_db.length= strlen(db);
  ident_table.str= table;
  ident_table.length= strlen(table);
  table_ident= new Table_ident(thd, ident_db, ident_table, 1);
  sel->init_query();
unknown's avatar
unknown committed
1724
  if (!sel->add_table_to_list(thd, table_ident, 0, 0, TL_READ,
1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738
                             (List<String> *) 0, (List<String> *) 0))
    return 1;
  return 0;
}


bool uses_only_table_name_fields(Item *item, TABLE_LIST *table)
{
  if (item->type() == Item::FUNC_ITEM)
  {
    Item_func *item_func= (Item_func*)item;
    Item **child;
    Item **item_end= (item_func->arguments()) + item_func->argument_count();
    for (child= item_func->arguments(); child != item_end; child++)
1739
    {
1740 1741
      if (!uses_only_table_name_fields(*child, table))
        return 0;
1742
    }
1743 1744 1745 1746 1747 1748 1749
  }
  else if (item->type() == Item::FIELD_ITEM)
  {
    Item_field *item_field= (Item_field*)item;
    CHARSET_INFO *cs= system_charset_info;
    ST_SCHEMA_TABLE *schema_table= table->schema_table;
    ST_FIELD_INFO *field_info= schema_table->fields_info;
unknown's avatar
unknown committed
1750 1751
    const char *field_name1= schema_table->idx_field1 >= 0 ? field_info[schema_table->idx_field1].field_name : "";
    const char *field_name2= schema_table->idx_field2 >= 0 ? field_info[schema_table->idx_field2].field_name : "";
1752 1753 1754 1755 1756 1757 1758
    if (table->table != item_field->field->table ||
        (cs->coll->strnncollsp(cs, (uchar *) field_name1, strlen(field_name1),
                               (uchar *) item_field->field_name, 
                               strlen(item_field->field_name), 0) &&
         cs->coll->strnncollsp(cs, (uchar *) field_name2, strlen(field_name2),
                               (uchar *) item_field->field_name, 
                               strlen(item_field->field_name), 0)))
1759 1760
      return 0;
  }
1761 1762
  else if (item->type() == Item::REF_ITEM)
    return uses_only_table_name_fields(item->real_item(), table);
1763 1764 1765 1766
  if (item->type() == Item::SUBSELECT_ITEM &&
      !item->const_item())
    return 0;

1767
  return 1;
1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826
}


static COND * make_cond_for_info_schema(COND *cond, TABLE_LIST *table)
{
  if (!cond)
    return (COND*) 0;
  if (cond->type() == Item::COND_ITEM)
  {
    if (((Item_cond*) cond)->functype() == Item_func::COND_AND_FUNC)
    {
      /* Create new top level AND item */
      Item_cond_and *new_cond=new Item_cond_and;
      if (!new_cond)
	return (COND*) 0;
      List_iterator<Item> li(*((Item_cond*) cond)->argument_list());
      Item *item;
      while ((item=li++))
      {
	Item *fix= make_cond_for_info_schema(item, table);
	if (fix)
	  new_cond->argument_list()->push_back(fix);
      }
      switch (new_cond->argument_list()->elements) {
      case 0:
	return (COND*) 0;
      case 1:
	return new_cond->argument_list()->head();
      default:
	new_cond->quick_fix_field();
	return new_cond;
      }
    }
    else
    {						// Or list
      Item_cond_or *new_cond=new Item_cond_or;
      if (!new_cond)
	return (COND*) 0;
      List_iterator<Item> li(*((Item_cond*) cond)->argument_list());
      Item *item;
      while ((item=li++))
      {
	Item *fix=make_cond_for_info_schema(item, table);
	if (!fix)
	  return (COND*) 0;
	new_cond->argument_list()->push_back(fix);
      }
      new_cond->quick_fix_field();
      new_cond->top_level_item();
      return new_cond;
    }
  }

  if (!uses_only_table_name_fields(cond, table))
    return (COND*) 0;
  return cond;
}


1827 1828 1829 1830 1831 1832
enum enum_schema_tables get_schema_table_idx(ST_SCHEMA_TABLE *schema_table)
{
  return (enum enum_schema_tables) (schema_table - &schema_tables[0]);
}


unknown's avatar
unknown committed
1833
/*
1834
  Create db names list. Information schema name always is first in list
unknown's avatar
unknown committed
1835 1836

  SYNOPSIS
1837
    make_db_list()
unknown's avatar
unknown committed
1838 1839 1840
    thd                   thread handler
    files                 list of db names
    wild                  wild string
1841 1842
    idx_field_vals        idx_field_vals->db_name contains db name or
                          wild string
unknown's avatar
unknown committed
1843 1844
    with_i_schema         returns 1 if we added 'IS' name to list
                          otherwise returns 0
1845 1846
    is_wild_value         if value is 1 then idx_field_vals->db_name is
                          wild string otherwise it's db name; 
unknown's avatar
unknown committed
1847 1848 1849 1850 1851 1852

  RETURN
    1	                  error
    0	                  success
*/

1853 1854 1855
int make_db_list(THD *thd, List<char> *files,
                 INDEX_FIELD_VALUES *idx_field_vals,
                 bool *with_i_schema, bool is_wild_value)
1856
{
1857
  LEX *lex= thd->lex;
unknown's avatar
unknown committed
1858
  *with_i_schema= 0;
1859 1860
  get_index_field_values(lex, idx_field_vals);
  if (is_wild_value)
unknown's avatar
unknown committed
1861
  {
1862 1863 1864 1865 1866
    /*
      This part of code is only for SHOW DATABASES command.
      idx_field_vals->db_value can be 0 when we don't use
      LIKE clause (see also get_index_field_values() function)
    */
1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877
    if (!idx_field_vals->db_value ||
        !wild_case_compare(system_charset_info, 
                           information_schema_name.str,
                           idx_field_vals->db_value))
    {
      *with_i_schema= 1;
      if (files->push_back(thd->strdup(information_schema_name.str)))
        return 1;
    }
    return mysql_find_files(thd, files, NullS, mysql_data_home,
                            idx_field_vals->db_value, 1);
unknown's avatar
unknown committed
1878
  }
1879

1880 1881 1882 1883 1884 1885
  /*
    This part of code is for SHOW TABLES, SHOW TABLE STATUS commands.
    idx_field_vals->db_value can't be 0 (see get_index_field_values()
    function). lex->orig_sql_command can be not equal to SQLCOM_END
    only in case of executing of SHOW commands.
  */
1886 1887
  if (lex->orig_sql_command != SQLCOM_END)
  {
1888
    if (!my_strcasecmp(system_charset_info, information_schema_name.str,
1889 1890 1891 1892 1893 1894 1895 1896
                       idx_field_vals->db_value))
    {
      *with_i_schema= 1;
      return files->push_back(thd->strdup(information_schema_name.str));
    }
    return files->push_back(thd->strdup(idx_field_vals->db_value));
  }

1897 1898 1899 1900
  /*
    Create list of existing databases. It is used in case
    of select from information schema table
  */
1901 1902 1903 1904
  if (files->push_back(thd->strdup(information_schema_name.str)))
    return 1;
  *with_i_schema= 1;
  return mysql_find_files(thd, files, NullS, mysql_data_home, NullS, 1);
1905 1906 1907 1908 1909 1910 1911 1912
}


int schema_tables_add(THD *thd, List<char> *files, const char *wild)
{
  ST_SCHEMA_TABLE *tmp_schema_table= schema_tables;
  for ( ; tmp_schema_table->table_name; tmp_schema_table++)
  {
1913 1914
    if (tmp_schema_table->hidden)
      continue;
1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
    if (wild)
    {
      if (lower_case_table_names)
      {
        if (wild_case_compare(files_charset_info,
                              tmp_schema_table->table_name,
                              wild))
          continue;
      }
      else if (wild_compare(tmp_schema_table->table_name, wild, 0))
        continue;
    }
    if (files->push_back(thd->strdup(tmp_schema_table->table_name)))
      return 1;
  }
  return 0;
}


1934 1935 1936 1937 1938
int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
{
  LEX *lex= thd->lex;
  TABLE *table= tables->table;
  SELECT_LEX *select_lex= &lex->select_lex;
1939
  SELECT_LEX *old_all_select_lex= lex->all_selects_list;
1940 1941
  TABLE_LIST **save_query_tables_last= lex->query_tables_last;
  enum_sql_command save_sql_command= lex->sql_command;
unknown's avatar
unknown committed
1942
  SELECT_LEX *lsel= tables->schema_select_lex;
1943
  ST_SCHEMA_TABLE *schema_table= tables->schema_table;
1944 1945 1946 1947 1948 1949 1950
  SELECT_LEX sel;
  INDEX_FIELD_VALUES idx_field_vals;
  char path[FN_REFLEN], *end, *base_name, *file_name;
  uint len;
  bool with_i_schema;
  enum enum_schema_tables schema_table_idx;
  List<char> bases;
unknown's avatar
unknown committed
1951
  List_iterator_fast<char> it(bases);
1952
  COND *partial_cond; 
1953
  uint derived_tables= lex->derived_tables; 
unknown's avatar
unknown committed
1954
  int error= 1;
1955
  Open_tables_state open_tables_state_backup;
1956 1957 1958 1959
  DBUG_ENTER("get_all_tables");

  LINT_INIT(end);
  LINT_INIT(len);
1960

1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973
  /*
    Let us set fake sql_command so views won't try to merge
    themselves into main statement.
  */
  lex->sql_command= SQLCOM_SHOW_FIELDS;

  /*
    We should not introduce deadlocks even if we already have some
    tables open and locked, since we won't lock tables which we will
    open and will ignore possible name-locks for these tables.
  */
  thd->reset_n_backup_open_tables_state(&open_tables_state_backup);

1974 1975 1976
  if (lsel)
  {
    TABLE_LIST *show_table_list= (TABLE_LIST*) lsel->table_list.first;
1977 1978
    bool res;

1979
    lex->all_selects_list= lsel;
1980 1981
    res= open_normal_and_derived_tables(thd, show_table_list,
                                        MYSQL_LOCK_IGNORE_FLUSH);
1982 1983
    if (schema_table->process_table(thd, show_table_list,
                                    table, res, show_table_list->db,
1984
                                    show_table_list->alias))
unknown's avatar
unknown committed
1985
      goto err;
1986
    close_thread_tables(thd);
1987
    show_table_list->table= 0;
unknown's avatar
unknown committed
1988 1989
    error= 0;
    goto err;
1990 1991
  }

1992
  schema_table_idx= get_schema_table_idx(schema_table);
1993

1994 1995
  if (make_db_list(thd, &bases, &idx_field_vals,
                   &with_i_schema, 0))
unknown's avatar
unknown committed
1996
    goto err;
1997 1998

  partial_cond= make_cond_for_info_schema(cond, tables);
unknown's avatar
unknown committed
1999
  it.rewind(); /* To get access to new elements in basis list */
2000
  while ((base_name= it++) ||
2001 2002 2003 2004 2005 2006 2007 2008 2009
	 /*
	   generate error for non existing database.
	   (to save old behaviour for SHOW TABLES FROM db)
	 */
	 ((lex->orig_sql_command == SQLCOM_SHOW_TABLES ||
           lex->orig_sql_command == SQLCOM_SHOW_TABLE_STATUS) &&
	  (base_name= select_lex->db) && !bases.elements))
  {
#ifndef NO_EMBEDDED_ACCESS_CHECKS
2010 2011
    if (with_i_schema ||   // don't check the rights if information schema db
        !check_access(thd,SELECT_ACL, base_name, &thd->col_access,0,1) ||
2012 2013 2014 2015 2016 2017
        thd->master_access & (DB_ACLS | SHOW_DB_ACL) ||
	acl_get(thd->host, thd->ip, thd->priv_user, base_name,0) ||
	(grant_option && !check_grant_db(thd, base_name)))
#endif
    {
      List<char> files;
2018 2019 2020
      if (with_i_schema)                      // information schema table names
      {
        if (schema_tables_add(thd, &files, idx_field_vals.table_value))
unknown's avatar
unknown committed
2021
          goto err;
2022 2023 2024 2025 2026 2027 2028 2029
      }
      else
      {
        strxmov(path, mysql_data_home, "/", base_name, NullS);
        end= path + (len= unpack_dirname(path,path));
        len= FN_LEN - len;
        if (mysql_find_files(thd, &files, base_name, 
                             path, idx_field_vals.table_value, 0))
unknown's avatar
unknown committed
2030
          goto err;
2031
      }
2032

2033 2034
      List_iterator_fast<char> it_files(files);
      while ((file_name= it_files++))
2035
      {
2036
	restore_record(table, s->default_values);
2037 2038 2039 2040 2041 2042 2043 2044 2045 2046
        table->field[schema_table->idx_field1]->
          store(base_name, strlen(base_name), system_charset_info);
        table->field[schema_table->idx_field2]->
          store(file_name, strlen(file_name),system_charset_info);
        if (!partial_cond || partial_cond->val_int())
        {
          if (schema_table_idx == SCH_TABLE_NAMES)
          {
            if (lex->verbose || lex->orig_sql_command == SQLCOM_END)
            {
2047
              if (with_i_schema)
2048
              {
2049 2050 2051 2052 2053
                table->field[3]->store("TEMPORARY", 9, system_charset_info);
              }
              else
              {
                my_snprintf(end, len, "/%s%s", file_name, reg_ext);
2054
                switch (mysql_frm_type(path)) {
2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066
                case FRMTYPE_ERROR:
                  table->field[3]->store("ERROR", 5, system_charset_info);
                  break;
                case FRMTYPE_TABLE:
                  table->field[3]->store("BASE TABLE", 10, system_charset_info);
                  break;
                case FRMTYPE_VIEW:
                  table->field[3]->store("VIEW", 4, system_charset_info);
                  break;
                default:
                  DBUG_ASSERT(0);
                }
2067 2068
              }
            }
2069
            if (schema_table_store_record(thd, table))
2070
              goto err;
2071 2072 2073 2074
          }
          else
          {
            int res;
unknown's avatar
unknown committed
2075 2076 2077 2078 2079
            /*
              Set the parent lex of 'sel' because it is needed by sel.init_query()
              which is called inside make_table_list.
            */
            sel.parent_lex= lex;
2080
            if (make_table_list(thd, &sel, base_name, file_name))
unknown's avatar
unknown committed
2081
              goto err;
2082
            TABLE_LIST *show_table_list= (TABLE_LIST*) sel.table_list.first;
2083 2084
            lex->all_selects_list= &sel;
            lex->derived_tables= 0;
2085 2086
            res= open_normal_and_derived_tables(thd, show_table_list,
                                                MYSQL_LOCK_IGNORE_FLUSH);
2087
            if (schema_table->process_table(thd, show_table_list, table,
2088 2089
                                            res, base_name,
                                            show_table_list->alias))
unknown's avatar
unknown committed
2090
              goto err;
2091
            close_thread_tables(thd);
2092 2093 2094
          }
        }
      }
2095 2096 2097 2098
      /*
        If we have information schema its always the first table and only
        the first table. Reset for other tables.
      */
2099
      with_i_schema= 0;
2100 2101
    }
  }
unknown's avatar
unknown committed
2102 2103 2104

  error= 0;
err:
2105
  thd->restore_backup_open_tables_state(&open_tables_state_backup);
2106 2107
  lex->derived_tables= derived_tables;
  lex->all_selects_list= old_all_select_lex;
2108 2109 2110
  lex->query_tables_last= save_query_tables_last;
  *save_query_tables_last= 0;
  lex->sql_command= save_sql_command;
unknown's avatar
unknown committed
2111
  DBUG_RETURN(error);
2112 2113 2114
}


2115
bool store_schema_shemata(THD* thd, TABLE *table, const char *db_name,
2116
                          CHARSET_INFO *cs)
2117
{
2118
  restore_record(table, s->default_values);
2119
  table->field[1]->store(db_name, strlen(db_name), system_charset_info);
2120 2121
  table->field[2]->store(cs->csname, strlen(cs->csname), system_charset_info);
  table->field[3]->store(cs->name, strlen(cs->name), system_charset_info);
2122
  return schema_table_store_record(thd, table);
2123 2124 2125
}


2126 2127
int fill_schema_shemata(THD *thd, TABLE_LIST *tables, COND *cond)
{
2128
  char path[FN_REFLEN];
2129 2130 2131 2132 2133
  bool found_libchar;
  INDEX_FIELD_VALUES idx_field_vals;
  List<char> files;
  char *file_name;
  uint length;
unknown's avatar
unknown committed
2134
  bool with_i_schema;
2135 2136
  HA_CREATE_INFO create;
  TABLE *table= tables->table;
2137
  DBUG_ENTER("fill_schema_shemata");
2138

2139 2140
  if (make_db_list(thd, &files, &idx_field_vals,
                   &with_i_schema, 1))
2141
    DBUG_RETURN(1);
2142

2143 2144 2145
  List_iterator_fast<char> it(files);
  while ((file_name=it++))
  {
2146 2147
    if (with_i_schema)       // information schema name is always first in list
    {
2148
      if (store_schema_shemata(thd, table, file_name,
2149
                               system_charset_info))
2150
        DBUG_RETURN(1);
2151 2152 2153
      with_i_schema= 0;
      continue;
    }
2154 2155 2156 2157 2158 2159
#ifndef NO_EMBEDDED_ACCESS_CHECKS
    if (thd->master_access & (DB_ACLS | SHOW_DB_ACL) ||
	acl_get(thd->host, thd->ip, thd->priv_user, file_name,0) ||
	(grant_option && !check_grant_db(thd, file_name)))
#endif
    {
unknown's avatar
unknown committed
2160
      strxmov(path, mysql_data_home, "/", file_name, NullS);
2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172
      length=unpack_dirname(path,path);		// Convert if not unix
      found_libchar= 0;
      if (length && path[length-1] == FN_LIBCHAR)
      {
	found_libchar= 1;
	path[length-1]=0;			// remove ending '\'
      }

      if (found_libchar)
	path[length-1]= FN_LIBCHAR;
      strmov(path+length, MY_DB_OPT_FILE);
      load_db_opt(thd, path, &create);
2173
      if (store_schema_shemata(thd, table, file_name, 
2174
                               create.default_table_charset))
2175
        DBUG_RETURN(1);
2176 2177
    }
  }
2178
  DBUG_RETURN(0);
2179 2180 2181
}


unknown's avatar
unknown committed
2182 2183 2184 2185
static int get_schema_tables_record(THD *thd, struct st_table_list *tables,
				    TABLE *table, bool res,
				    const char *base_name,
				    const char *file_name)
2186 2187 2188 2189 2190
{
  const char *tmp_buff;
  TIME time;
  CHARSET_INFO *cs= system_charset_info;
  DBUG_ENTER("get_schema_tables_record");
2191 2192

  restore_record(table, s->default_values);
2193 2194
  table->field[1]->store(base_name, strlen(base_name), cs);
  table->field[2]->store(file_name, strlen(file_name), cs);
unknown's avatar
unknown committed
2195 2196 2197 2198 2199 2200 2201 2202 2203 2204
  if (res)
  {
    /*
      there was errors during opening tables
    */
    const char *error= thd->net.last_error;
    table->field[20]->store(error, strlen(error), cs);
    thd->clear_error();
  }
  else if (tables->view)
2205 2206 2207 2208 2209 2210 2211
  {
    table->field[3]->store("VIEW", 4, cs);
    table->field[20]->store("view", 4, cs);
  }
  else
  {
    TABLE *show_table= tables->table;
2212
    TABLE_SHARE *share= show_table->s;
2213
    handler *file= show_table->file;
2214

2215 2216
    file->info(HA_STATUS_VARIABLE | HA_STATUS_TIME | HA_STATUS_AUTO |
               HA_STATUS_NO_LOCK);
2217
    if (share->tmp_table == TMP_TABLE)
2218 2219 2220 2221
      table->field[3]->store("TEMPORARY", 9, cs);
    else
      table->field[3]->store("BASE TABLE", 10, cs);

2222 2223
    for (int i= 4; i < 20; i++)
    {
2224
      if (i == 7 || (i > 12 && i < 17) || i == 18)
2225 2226 2227 2228 2229
        continue;
      table->field[i]->set_notnull();
    }
    tmp_buff= file->table_type();
    table->field[4]->store(tmp_buff, strlen(tmp_buff), cs);
2230
    table->field[5]->store((longlong) share->frm_version);
2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255
    enum row_type row_type = file->get_row_type();
    switch (row_type) {
    case ROW_TYPE_NOT_USED:
    case ROW_TYPE_DEFAULT:
      tmp_buff= ((share->db_options_in_use &
		  HA_OPTION_COMPRESS_RECORD) ? "Compressed" :
		 (share->db_options_in_use & HA_OPTION_PACK_RECORD) ?
		 "Dynamic" : "Fixed");
      break;
    case ROW_TYPE_FIXED:
      tmp_buff= "Fixed";
      break;
    case ROW_TYPE_DYNAMIC:
      tmp_buff= "Dynamic";
      break;
    case ROW_TYPE_COMPRESSED:
      tmp_buff= "Compressed";
      break;
    case ROW_TYPE_REDUNDANT:
      tmp_buff= "Redundant";
      break;
    case ROW_TYPE_COMPACT:
      tmp_buff= "Compact";
      break;
    }
2256
    table->field[6]->store(tmp_buff, strlen(tmp_buff), cs);
2257 2258 2259 2260 2261
    if (!tables->schema_table)
    {
      table->field[7]->store((longlong) file->records);
      table->field[7]->set_notnull();
    }
2262 2263 2264 2265 2266 2267 2268 2269
    table->field[8]->store((longlong) file->mean_rec_length);
    table->field[9]->store((longlong) file->data_file_length);
    if (file->max_data_file_length)
    {
      table->field[10]->store((longlong) file->max_data_file_length);
    }
    table->field[11]->store((longlong) file->index_file_length);
    table->field[12]->store((longlong) file->delete_length);
2270
    if (show_table->found_next_number_field)
2271
    {
2272
      table->field[13]->store((longlong) file->auto_increment_value);
2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294
      table->field[13]->set_notnull();
    }
    if (file->create_time)
    {
      thd->variables.time_zone->gmt_sec_to_TIME(&time,
                                                file->create_time);
      table->field[14]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
      table->field[14]->set_notnull();
    }
    if (file->update_time)
    {
      thd->variables.time_zone->gmt_sec_to_TIME(&time,
                                                file->update_time);
      table->field[15]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
      table->field[15]->set_notnull();
    }
    if (file->check_time)
    {
      thd->variables.time_zone->gmt_sec_to_TIME(&time, file->check_time);
      table->field[16]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
      table->field[16]->set_notnull();
    }
2295 2296
    tmp_buff= (share->table_charset ?
               share->table_charset->name : "default");
2297
    table->field[17]->store(tmp_buff, strlen(tmp_buff), cs);
unknown's avatar
unknown committed
2298
    if (file->table_flags() & (ulong) HA_HAS_CHECKSUM)
2299 2300 2301 2302 2303 2304 2305
    {
      table->field[18]->store((longlong) file->checksum());
      table->field[18]->set_notnull();
    }

    char option_buff[350],*ptr;
    ptr=option_buff;
2306
    if (share->min_rows)
2307 2308
    {
      ptr=strmov(ptr," min_rows=");
2309
      ptr=longlong10_to_str(share->min_rows,ptr,10);
2310
    }
2311
    if (share->max_rows)
2312 2313
    {
      ptr=strmov(ptr," max_rows=");
2314
      ptr=longlong10_to_str(share->max_rows,ptr,10);
2315
    }
2316
    if (share->avg_row_length)
2317 2318
    {
      ptr=strmov(ptr," avg_row_length=");
2319
      ptr=longlong10_to_str(share->avg_row_length,ptr,10);
2320
    }
2321
    if (share->db_create_options & HA_OPTION_PACK_KEYS)
2322
      ptr=strmov(ptr," pack_keys=1");
2323
    if (share->db_create_options & HA_OPTION_NO_PACK_KEYS)
2324
      ptr=strmov(ptr," pack_keys=0");
2325
    if (share->db_create_options & HA_OPTION_CHECKSUM)
2326
      ptr=strmov(ptr," checksum=1");
2327
    if (share->db_create_options & HA_OPTION_DELAY_KEY_WRITE)
2328
      ptr=strmov(ptr," delay_key_write=1");
2329
    if (share->row_type != ROW_TYPE_DEFAULT)
2330
      ptr=strxmov(ptr, " row_format=", 
2331
                  ha_row_type[(uint) share->row_type],
2332 2333 2334 2335
                  NullS);
    if (file->raid_type)
    {
      char buff[100];
unknown's avatar
unknown committed
2336 2337 2338 2339
      my_snprintf(buff,sizeof(buff),
                  " raid_type=%s raid_chunks=%d raid_chunksize=%ld",
                  my_raid_type(file->raid_type), file->raid_chunks,
                  file->raid_chunksize/RAID_BLOCK_SIZE);
2340 2341 2342 2343 2344
      ptr=strmov(ptr,buff);
    }
    table->field[19]->store(option_buff+1,
                            (ptr == option_buff ? 0 : 
                             (uint) (ptr-option_buff)-1), cs);
2345
    {
2346 2347
      char *comment;
      comment= show_table->file->update_table_comment(share->comment);
2348 2349 2350
      if (comment)
      {
        table->field[20]->store(comment, strlen(comment), cs);
2351 2352
        if (comment != share->comment)
          my_free(comment, MYF(0));
2353 2354
      }
    }
2355
  }
2356
  DBUG_RETURN(schema_table_store_record(thd, table));
2357 2358 2359
}


unknown's avatar
unknown committed
2360 2361 2362 2363
static int get_schema_column_record(THD *thd, struct st_table_list *tables,
				    TABLE *table, bool res,
				    const char *base_name,
				    const char *file_name)
2364
{
2365 2366
  LEX *lex= thd->lex;
  const char *wild= lex->wild ? lex->wild->ptr() : NullS;
2367 2368 2369 2370
  CHARSET_INFO *cs= system_charset_info;
  DBUG_ENTER("get_schema_column_record");
  if (res)
  {
2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382
    if (lex->orig_sql_command != SQLCOM_SHOW_FIELDS)
    {
      /*
        I.e. we are in SELECT FROM INFORMATION_SCHEMA.COLUMS
        rather than in SHOW COLUMNS
      */ 
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                   thd->net.last_errno, thd->net.last_error);
      thd->clear_error();
      res= 0;
    }
    DBUG_RETURN(res);
2383 2384 2385 2386 2387
  }

  TABLE *show_table= tables->table;
  handler *file= show_table->file;
  file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK);
2388
  restore_record(show_table, s->default_values);
2389 2390 2391 2392 2393 2394 2395
  Field **ptr,*field;
  int count= 0;
  for (ptr=show_table->field; (field= *ptr) ; ptr++)
  {
    if (!wild || !wild[0] || 
        !wild_case_compare(system_charset_info, field->field_name,wild))
    {
unknown's avatar
unknown committed
2396
      const char *tmp_buff;
2397
      byte *pos;
2398
      bool is_blob;
2399 2400 2401 2402
      uint flags=field->flags;
      char tmp[MAX_FIELD_WIDTH];
      char tmp1[MAX_FIELD_WIDTH];
      String type(tmp,sizeof(tmp), system_charset_info);
2403
      char *end= tmp;
2404
      count++;
2405
      restore_record(table, s->default_values);
2406 2407 2408 2409 2410

#ifndef NO_EMBEDDED_ACCESS_CHECKS
      uint col_access;
      check_access(thd,SELECT_ACL | EXTRA_ACL, base_name,
                   &tables->grant.privilege, 0, 0);
2411 2412
      col_access= get_column_grant(thd, &tables->grant, 
                                   base_name, file_name,
2413
                                   field->field_name) & COL_ACLS;
2414 2415
      if (lex->orig_sql_command != SQLCOM_SHOW_FIELDS  && 
          !tables->schema_table && !col_access)
2416 2417 2418 2419 2420 2421 2422 2423 2424
        continue;
      for (uint bitnr=0; col_access ; col_access>>=1,bitnr++)
      {
        if (col_access & 1)
        {
          *end++=',';
          end=strmov(end,grant_types.type_names[bitnr]);
        }
      }
2425 2426 2427 2428 2429 2430
      if (tables->schema_table)      // any user has 'select' privilege on all 
                                     // I_S table columns
        table->field[17]->store(grant_types.type_names[0],
                                strlen(grant_types.type_names[0]), cs);
      else
        table->field[17]->store(tmp+1,end == tmp ? 0 : (uint) (end-tmp-1), cs);
2431

unknown's avatar
unknown committed
2432 2433 2434
#else
      *end= 0;
#endif
2435 2436 2437 2438 2439 2440
      table->field[1]->store(base_name, strlen(base_name), cs);
      table->field[2]->store(file_name, strlen(file_name), cs);
      table->field[3]->store(field->field_name, strlen(field->field_name),
                             cs);
      table->field[4]->store((longlong) count);
      field->sql_type(type);
2441
      table->field[14]->store(type.ptr(), type.length(), cs);		
unknown's avatar
unknown committed
2442
      tmp_buff= strchr(type.ptr(), '(');
2443
      table->field[7]->store(type.ptr(),
2444 2445 2446 2447 2448
                             (tmp_buff ? tmp_buff - type.ptr() :
                              type.length()), cs);
      if (show_table->timestamp_field == field &&
          field->unireg_check != Field::TIMESTAMP_UN_FIELD)
      {
2449 2450
        table->field[5]->store("CURRENT_TIMESTAMP", 17, cs);
        table->field[5]->set_notnull();
2451 2452 2453 2454 2455 2456 2457 2458 2459 2460
      }
      else if (field->unireg_check != Field::NEXT_NUMBER &&
               !field->is_null() &&
               !(field->flags & NO_DEFAULT_VALUE_FLAG))
      {
        String def(tmp1,sizeof(tmp1), cs);
        type.set(tmp, sizeof(tmp), field->charset());
        field->val_str(&type);
        uint dummy_errors;
        def.copy(type.ptr(), type.length(), type.charset(), cs, &dummy_errors);
2461 2462
        table->field[5]->store(def.ptr(), def.length(), def.charset());
        table->field[5]->set_notnull();
2463 2464
      }
      else if (field->unireg_check == Field::NEXT_NUMBER ||
unknown's avatar
unknown committed
2465
               lex->orig_sql_command != SQLCOM_SHOW_FIELDS ||
2466
               field->maybe_null())
2467
        table->field[5]->set_null();                // Null as default
2468 2469
      else
      {
2470 2471
        table->field[5]->store("",0, cs);
        table->field[5]->set_notnull();
2472 2473 2474
      }
      pos=(byte*) ((flags & NOT_NULL_FLAG) &&
                   field->type() != FIELD_TYPE_TIMESTAMP ?
2475
                   "NO" : "YES");
2476 2477
      table->field[6]->store((const char*) pos,
                             strlen((const char*) pos), cs);
2478 2479
      is_blob= (field->type() == FIELD_TYPE_BLOB);
      if (field->has_charset() || is_blob)
2480
      {
2481 2482 2483
        longlong c_octet_len= is_blob ? (longlong) field->max_length() :
          (longlong) field->max_length()/field->charset()->mbmaxlen;
        table->field[8]->store(c_octet_len);
2484
        table->field[8]->set_notnull();
2485
        table->field[9]->store((longlong) field->max_length());
2486 2487
        table->field[9]->set_notnull();
      }
2488 2489 2490 2491

      {
        uint dec =field->decimals();
        switch (field->type()) {
unknown's avatar
unknown committed
2492
        case FIELD_TYPE_NEWDECIMAL:
unknown's avatar
unknown committed
2493 2494
          table->field[10]->store((longlong)
                                  ((Field_new_decimal*)field)->precision);
unknown's avatar
unknown committed
2495 2496 2497 2498
          table->field[10]->set_notnull();
          table->field[11]->store((longlong) field->decimals());
          table->field[11]->set_notnull();
          break;
2499 2500 2501 2502 2503 2504 2505
        case FIELD_TYPE_DECIMAL:
        {
          uint int_part=field->field_length - (dec  ? dec + 1 : 0);
          table->field[10]->store((longlong) (int_part + dec - 1));
          table->field[10]->set_notnull();
          table->field[11]->store((longlong) field->decimals());
          table->field[11]->set_notnull();
unknown's avatar
unknown committed
2506
          break;
2507 2508 2509 2510 2511 2512
        }
        case FIELD_TYPE_TINY:
        case FIELD_TYPE_SHORT:
        case FIELD_TYPE_LONG:
        case FIELD_TYPE_LONGLONG:
        case FIELD_TYPE_INT24:
2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523
        {
          table->field[10]->store((longlong) field->max_length() - 1);
          table->field[10]->set_notnull();
          break;
        }
        case FIELD_TYPE_BIT:
        {
          table->field[10]->store((longlong) field->max_length());
          table->field[10]->set_notnull();
          break;
        }
2524 2525 2526 2527 2528 2529 2530 2531 2532 2533
        case FIELD_TYPE_FLOAT:  
        case FIELD_TYPE_DOUBLE:
        {
          table->field[10]->store((longlong) field->field_length);
          table->field[10]->set_notnull();
          if (dec != NOT_FIXED_DEC)
          {
            table->field[11]->store((longlong) dec);
            table->field[11]->set_notnull();
          }
unknown's avatar
unknown committed
2534
          break;
2535 2536 2537 2538
        }
        default:
          break;
        }
2539 2540 2541 2542 2543 2544 2545
      }
      if (field->has_charset())
      {
        pos=(byte*) field->charset()->csname;
        table->field[12]->store((const char*) pos,
                                strlen((const char*) pos), cs);
        table->field[12]->set_notnull();
2546 2547 2548 2549
        pos=(byte*) field->charset()->name;
        table->field[13]->store((const char*) pos,
                                strlen((const char*) pos), cs);
        table->field[13]->set_notnull();
2550 2551 2552 2553
      }
      pos=(byte*) ((field->flags & PRI_KEY_FLAG) ? "PRI" :
                   (field->flags & UNIQUE_KEY_FLAG) ? "UNI" :
                   (field->flags & MULTIPLE_KEY_FLAG) ? "MUL":"");
2554
      table->field[15]->store((const char*) pos,
2555
                              strlen((const char*) pos), cs);
2556
      end= tmp;
2557 2558 2559
      if (field->unireg_check == Field::NEXT_NUMBER)
        end=strmov(tmp,"auto_increment");
      table->field[16]->store(tmp, (uint) (end-tmp), cs);
unknown's avatar
unknown committed
2560 2561 2562

      end=tmp;
      table->field[18]->store(field->comment.str, field->comment.length, cs);
2563 2564
      if (schema_table_store_record(thd, table))
        DBUG_RETURN(1);
2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585
    }
  }
  DBUG_RETURN(0);
}



int fill_schema_charsets(THD *thd, TABLE_LIST *tables, COND *cond)
{
  CHARSET_INFO **cs;
  const char *wild= thd->lex->wild ? thd->lex->wild->ptr() : NullS;
  TABLE *table= tables->table;
  CHARSET_INFO *scs= system_charset_info;
  for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
  {
    CHARSET_INFO *tmp_cs= cs[0];
    if (tmp_cs && (tmp_cs->state & MY_CS_PRIMARY) && 
        (tmp_cs->state & MY_CS_AVAILABLE) &&
        !(wild && wild[0] &&
	  wild_case_compare(scs, tmp_cs->csname,wild)))
    {
2586
      restore_record(table, s->default_values);
2587
      table->field[0]->store(tmp_cs->csname, strlen(tmp_cs->csname), scs);
2588 2589
      table->field[1]->store(tmp_cs->name, strlen(tmp_cs->name), scs);
      table->field[2]->store(tmp_cs->comment ? tmp_cs->comment : "",
2590 2591 2592
			     strlen(tmp_cs->comment ? tmp_cs->comment : ""),
                             scs);
      table->field[3]->store((longlong) tmp_cs->mbmaxlen);
2593 2594
      if (schema_table_store_record(thd, table))
        return 1;
2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623
    }
  }
  return 0;
}


int fill_schema_collation(THD *thd, TABLE_LIST *tables, COND *cond)
{
  CHARSET_INFO **cs;
  const char *wild= thd->lex->wild ? thd->lex->wild->ptr() : NullS;
  TABLE *table= tables->table;
  CHARSET_INFO *scs= system_charset_info;
  for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
  {
    CHARSET_INFO **cl;
    CHARSET_INFO *tmp_cs= cs[0];
    if (!tmp_cs || !(tmp_cs->state & MY_CS_AVAILABLE) || 
        !(tmp_cs->state & MY_CS_PRIMARY))
      continue;
    for ( cl= all_charsets; cl < all_charsets+255 ;cl ++)
    {
      CHARSET_INFO *tmp_cl= cl[0];
      if (!tmp_cl || !(tmp_cl->state & MY_CS_AVAILABLE) || 
          !my_charset_same(tmp_cs, tmp_cl))
	continue;
      if (!(wild && wild[0] &&
	  wild_case_compare(scs, tmp_cl->name,wild)))
      {
	const char *tmp_buff;
2624
	restore_record(table, s->default_values);
2625 2626 2627 2628 2629 2630 2631 2632
	table->field[0]->store(tmp_cl->name, strlen(tmp_cl->name), scs);
        table->field[1]->store(tmp_cl->csname , strlen(tmp_cl->csname), scs);
        table->field[2]->store((longlong) tmp_cl->number);
        tmp_buff= (tmp_cl->state & MY_CS_PRIMARY) ? "Yes" : "";
	table->field[3]->store(tmp_buff, strlen(tmp_buff), scs);
        tmp_buff= (tmp_cl->state & MY_CS_COMPILED)? "Yes" : "";
	table->field[4]->store(tmp_buff, strlen(tmp_buff), scs);
        table->field[5]->store((longlong) tmp_cl->strxfrm_multiply);
2633 2634
        if (schema_table_store_record(thd, table))
          return 1;
2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659
      }
    }
  }
  return 0;
}


int fill_schema_coll_charset_app(THD *thd, TABLE_LIST *tables, COND *cond)
{
  CHARSET_INFO **cs;
  TABLE *table= tables->table;
  CHARSET_INFO *scs= system_charset_info;
  for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
  {
    CHARSET_INFO **cl;
    CHARSET_INFO *tmp_cs= cs[0];
    if (!tmp_cs || !(tmp_cs->state & MY_CS_AVAILABLE) || 
        !(tmp_cs->state & MY_CS_PRIMARY))
      continue;
    for ( cl= all_charsets; cl < all_charsets+255 ;cl ++)
    {
      CHARSET_INFO *tmp_cl= cl[0];
      if (!tmp_cl || !(tmp_cl->state & MY_CS_AVAILABLE) || 
          !my_charset_same(tmp_cs,tmp_cl))
	continue;
2660
      restore_record(table, s->default_values);
2661 2662
      table->field[0]->store(tmp_cl->name, strlen(tmp_cl->name), scs);
      table->field[1]->store(tmp_cl->csname , strlen(tmp_cl->csname), scs);
2663 2664
      if (schema_table_store_record(thd, table))
        return 1;
2665 2666 2667 2668 2669 2670
    }
  }
  return 0;
}


2671
bool store_schema_proc(THD *thd, TABLE *table, TABLE *proc_table,
2672
                       const char *wild, bool full_access, const char *sp_user)
2673 2674 2675 2676 2677
{
  String tmp_string;
  TIME time;
  LEX *lex= thd->lex;
  CHARSET_INFO *cs= system_charset_info;
2678 2679 2680 2681 2682 2683
  const char *sp_db, *sp_name, *definer;
  sp_db= get_field(thd->mem_root, proc_table->field[0]);
  sp_name= get_field(thd->mem_root, proc_table->field[1]);
  definer= get_field(thd->mem_root, proc_table->field[11]);
  if (!full_access)
    full_access= !strcmp(sp_user, definer);
2684 2685
  if (!full_access && check_some_routine_access(thd, sp_db, sp_name,
			proc_table->field[2]->val_int() == TYPE_ENUM_PROCEDURE))
2686
    return 0;
2687

2688 2689 2690 2691 2692 2693
  if (lex->orig_sql_command == SQLCOM_SHOW_STATUS_PROC &&
      proc_table->field[2]->val_int() == TYPE_ENUM_PROCEDURE ||
      lex->orig_sql_command == SQLCOM_SHOW_STATUS_FUNC &&
      proc_table->field[2]->val_int() == TYPE_ENUM_FUNCTION ||
      lex->orig_sql_command == SQLCOM_END)
  {
2694 2695
    restore_record(table, s->default_values);
    if (!wild || !wild[0] || !wild_compare(sp_name, wild, 0))
2696
    {
2697
      int enum_idx= proc_table->field[5]->val_int();
2698
      table->field[3]->store(sp_name, strlen(sp_name), cs);
2699 2700
      get_field(thd->mem_root, proc_table->field[3], &tmp_string);
      table->field[0]->store(tmp_string.ptr(), tmp_string.length(), cs);
2701
      table->field[2]->store(sp_db, strlen(sp_db), cs);
2702 2703
      get_field(thd->mem_root, proc_table->field[2], &tmp_string);
      table->field[4]->store(tmp_string.ptr(), tmp_string.length(), cs);
2704 2705 2706 2707 2708 2709
      if (proc_table->field[2]->val_int() == TYPE_ENUM_FUNCTION)
      {
        get_field(thd->mem_root, proc_table->field[9], &tmp_string);
        table->field[5]->store(tmp_string.ptr(), tmp_string.length(), cs);
        table->field[5]->set_notnull();
      }
2710 2711 2712 2713 2714
      if (full_access)
      {
        get_field(thd->mem_root, proc_table->field[10], &tmp_string);
        table->field[7]->store(tmp_string.ptr(), tmp_string.length(), cs);
      }
2715
      table->field[6]->store("SQL", 3, cs);
2716
      table->field[10]->store("SQL", 3, cs);
2717
      get_field(thd->mem_root, proc_table->field[6], &tmp_string);
2718
      table->field[11]->store(tmp_string.ptr(), tmp_string.length(), cs);
2719 2720
      table->field[12]->store(sp_data_access_name[enum_idx].str, 
                              sp_data_access_name[enum_idx].length , cs);
2721 2722
      get_field(thd->mem_root, proc_table->field[7], &tmp_string);
      table->field[14]->store(tmp_string.ptr(), tmp_string.length(), cs);
2723 2724
      bzero((char *)&time, sizeof(time));
      ((Field_timestamp *) proc_table->field[12])->get_time(&time);
2725
      table->field[15]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
2726 2727
      bzero((char *)&time, sizeof(time));
      ((Field_timestamp *) proc_table->field[13])->get_time(&time);
2728
      table->field[16]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
2729
      get_field(thd->mem_root, proc_table->field[14], &tmp_string);
2730
      table->field[17]->store(tmp_string.ptr(), tmp_string.length(), cs);
2731
      get_field(thd->mem_root, proc_table->field[15], &tmp_string);
2732
      table->field[18]->store(tmp_string.ptr(), tmp_string.length(), cs);
2733
      table->field[19]->store(definer, strlen(definer), cs);
2734
      return schema_table_store_record(thd, table);
2735 2736
    }
  }
2737
  return 0;
2738 2739 2740 2741 2742 2743 2744 2745 2746
}


int fill_schema_proc(THD *thd, TABLE_LIST *tables, COND *cond)
{
  TABLE *proc_table;
  TABLE_LIST proc_tables;
  const char *wild= thd->lex->wild ? thd->lex->wild->ptr() : NullS;
  int res= 0;
2747
  TABLE *table= tables->table;
2748 2749
  bool full_access;
  char definer[HOSTNAME_LENGTH+USERNAME_LENGTH+2];
2750
  Open_tables_state open_tables_state_backup;
2751 2752
  DBUG_ENTER("fill_schema_proc");

2753
  strxmov(definer, thd->priv_user, "@", thd->priv_host, NullS);
2754
  /* We use this TABLE_LIST instance only for checking of privileges. */
2755 2756
  bzero((char*) &proc_tables,sizeof(proc_tables));
  proc_tables.db= (char*) "mysql";
2757
  proc_tables.db_length= 5;
2758
  proc_tables.table_name= proc_tables.alias= (char*) "proc";
2759
  proc_tables.table_name_length= 4;
2760
  proc_tables.lock_type= TL_READ;
2761
  full_access= !check_table_access(thd, SELECT_ACL, &proc_tables, 1);
2762
  if (!(proc_table= open_proc_table_for_read(thd, &open_tables_state_backup)))
2763 2764 2765 2766 2767 2768 2769 2770 2771
  {
    DBUG_RETURN(1);
  }
  proc_table->file->ha_index_init(0);
  if ((res= proc_table->file->index_first(proc_table->record[0])))
  {
    res= (res == HA_ERR_END_OF_FILE) ? 0 : 1;
    goto err;
  }
2772 2773 2774 2775 2776
  if (store_schema_proc(thd, table, proc_table, wild, full_access, definer))
  {
    res= 1;
    goto err;
  }
2777
  while (!proc_table->file->index_next(proc_table->record[0]))
2778 2779 2780 2781 2782 2783 2784
  {
    if (store_schema_proc(thd, table, proc_table, wild, full_access, definer))
    {
      res= 1;
      goto err;
    }
  }
2785 2786 2787

err:
  proc_table->file->ha_index_end();
2788
  close_proc_table(thd, &open_tables_state_backup);
2789 2790 2791 2792
  DBUG_RETURN(res);
}


unknown's avatar
unknown committed
2793 2794 2795 2796
static int get_schema_stat_record(THD *thd, struct st_table_list *tables,
				  TABLE *table, bool res,
				  const char *base_name,
				  const char *file_name)
2797 2798 2799
{
  CHARSET_INFO *cs= system_charset_info;
  DBUG_ENTER("get_schema_stat_record");
2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816
  if (res)
  {
    if (thd->lex->orig_sql_command != SQLCOM_SHOW_KEYS)
    {
      /*
        I.e. we are in SELECT FROM INFORMATION_SCHEMA.STATISTICS
        rather than in SHOW KEYS
      */ 
      if (!tables->view)
        push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                     thd->net.last_errno, thd->net.last_error);
      thd->clear_error();
      res= 0;
    }
    DBUG_RETURN(res);
  }
  else if (!tables->view)
2817 2818 2819 2820 2821 2822
  {
    TABLE *show_table= tables->table;
    KEY *key_info=show_table->key_info;
    show_table->file->info(HA_STATUS_VARIABLE | 
                           HA_STATUS_NO_LOCK |
                           HA_STATUS_TIME);
2823
    for (uint i=0 ; i < show_table->s->keys ; i++,key_info++)
2824 2825 2826 2827 2828
    {
      KEY_PART_INFO *key_part= key_info->key_part;
      const char *str;
      for (uint j=0 ; j < key_info->key_parts ; j++,key_part++)
      {
2829
        restore_record(table, s->default_values);
2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859
        table->field[1]->store(base_name, strlen(base_name), cs);
        table->field[2]->store(file_name, strlen(file_name), cs);
        table->field[3]->store((longlong) ((key_info->flags & 
                                            HA_NOSAME) ? 0 :1));
        table->field[4]->store(base_name, strlen(base_name), cs);
        table->field[5]->store(key_info->name, strlen(key_info->name), cs);
        table->field[6]->store((longlong) (j+1));
        str=(key_part->field ? key_part->field->field_name :
             "?unknown field?");
        table->field[7]->store(str, strlen(str), cs);
        if (show_table->file->index_flags(i, j, 0) & HA_READ_ORDER)
        {
          table->field[8]->store(((key_part->key_part_flag &
                                   HA_REVERSE_SORT) ?
                                  "D" : "A"), 1, cs);
          table->field[8]->set_notnull();
        }
        KEY *key=show_table->key_info+i;
        if (key->rec_per_key[j])
        {
          ha_rows records=(show_table->file->records /
                           key->rec_per_key[j]);
          table->field[9]->store((longlong) records);
          table->field[9]->set_notnull();
        }
        if (!(key_info->flags & HA_FULLTEXT) && 
            (!key_part->field ||
             key_part->length != 
             show_table->field[key_part->fieldnr-1]->key_length()))
        {
unknown's avatar
unknown committed
2860 2861
          table->field[10]->store((longlong) key_part->length / 
                                  key_part->field->charset()->mbmaxlen);
2862 2863 2864 2865 2866 2867 2868
          table->field[10]->set_notnull();
        }
        uint flags= key_part->field ? key_part->field->flags : 0;
        const char *pos=(char*) ((flags & NOT_NULL_FLAG) ? "" : "YES");
        table->field[12]->store(pos, strlen(pos), cs);
        pos= show_table->file->index_type(i);
        table->field[13]->store(pos, strlen(pos), cs);
2869
        if (!show_table->s->keys_in_use.is_set(i))
2870 2871 2872 2873
          table->field[14]->store("disabled", 8, cs);
        else
          table->field[14]->store("", 0, cs);
        table->field[14]->set_notnull();
2874 2875
        if (schema_table_store_record(thd, table))
          DBUG_RETURN(1);
2876 2877 2878
      }
    }
  }
unknown's avatar
unknown committed
2879
  DBUG_RETURN(res);
2880 2881 2882
}


unknown's avatar
unknown committed
2883 2884 2885 2886
static int get_schema_views_record(THD *thd, struct st_table_list *tables,
				   TABLE *table, bool res,
				   const char *base_name,
				   const char *file_name)
2887 2888 2889 2890 2891 2892 2893
{
  CHARSET_INFO *cs= system_charset_info;
  DBUG_ENTER("get_schema_views_record");
  if (!res)
  {
    if (tables->view)
    {
2894
      restore_record(table, s->default_values);
2895
      table->field[1]->store(tables->view_db.str, tables->view_db.length, cs);
2896 2897
      table->field[2]->store(tables->view_name.str, tables->view_name.length,
                             cs);
2898
      table->field[3]->store(tables->query.str, tables->query.length, cs);
unknown's avatar
unknown committed
2899 2900 2901 2902

      if (tables->with_check != VIEW_CHECK_NONE)
      {
        if (tables->with_check == VIEW_CHECK_LOCAL)
2903
          table->field[4]->store("LOCAL", 5, cs);
unknown's avatar
unknown committed
2904
        else
2905
          table->field[4]->store("CASCADED", 8, cs);
unknown's avatar
unknown committed
2906 2907 2908 2909
      }
      else
        table->field[4]->store("NONE", 4, cs);

2910 2911 2912 2913
      if (tables->updatable_view)
        table->field[5]->store("YES", 3, cs);
      else
        table->field[5]->store("NO", 2, cs);
2914
      DBUG_RETURN(schema_table_store_record(thd, table));
2915 2916
    }
  }
2917 2918 2919 2920 2921 2922 2923 2924
  else
  {
    if (tables->view)
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, 
                   thd->net.last_errno, thd->net.last_error);
    thd->clear_error();
  }
  DBUG_RETURN(0);
2925 2926 2927
}


2928 2929 2930
bool store_constraints(THD *thd, TABLE *table, const char *db,
                       const char *tname, const char *key_name,
                       uint key_len, const char *con_type, uint con_len)
2931 2932
{
  CHARSET_INFO *cs= system_charset_info;
2933
  restore_record(table, s->default_values);
2934 2935 2936 2937 2938
  table->field[1]->store(db, strlen(db), cs);
  table->field[2]->store(key_name, key_len, cs);
  table->field[3]->store(db, strlen(db), cs);
  table->field[4]->store(tname, strlen(tname), cs);
  table->field[5]->store(con_type, con_len, cs);
2939
  return schema_table_store_record(thd, table);
2940 2941 2942
}


unknown's avatar
unknown committed
2943
static int get_schema_constraints_record(THD *thd, struct st_table_list *tables,
unknown's avatar
unknown committed
2944 2945 2946
					 TABLE *table, bool res,
					 const char *base_name,
					 const char *file_name)
2947
{
unknown's avatar
unknown committed
2948
  DBUG_ENTER("get_schema_constraints_record");
2949 2950 2951 2952 2953 2954 2955 2956 2957
  if (res)
  {
    if (!tables->view)
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                   thd->net.last_errno, thd->net.last_error);
    thd->clear_error();
    DBUG_RETURN(0);
  }
  else if (!tables->view)
2958 2959 2960 2961
  {
    List<FOREIGN_KEY_INFO> f_key_list;
    TABLE *show_table= tables->table;
    KEY *key_info=show_table->key_info;
2962
    uint primary_key= show_table->s->primary_key;
2963 2964 2965
    show_table->file->info(HA_STATUS_VARIABLE | 
                           HA_STATUS_NO_LOCK |
                           HA_STATUS_TIME);
2966
    for (uint i=0 ; i < show_table->s->keys ; i++, key_info++)
2967 2968
    {
      if (i != primary_key && !(key_info->flags & HA_NOSAME))
2969 2970
        continue;

2971
      if (i == primary_key && !strcmp(key_info->name, primary_key_name))
2972 2973 2974 2975 2976
      {
        if (store_constraints(thd, table, base_name, file_name, key_info->name,
                              strlen(key_info->name), "PRIMARY KEY", 11))
          DBUG_RETURN(1);
      }
2977
      else if (key_info->flags & HA_NOSAME)
2978 2979 2980 2981 2982
      {
        if (store_constraints(thd, table, base_name, file_name, key_info->name,
                              strlen(key_info->name), "UNIQUE", 6))
          DBUG_RETURN(1);
      }
2983 2984 2985 2986 2987 2988 2989
    }

    show_table->file->get_foreign_key_list(thd, &f_key_list);
    FOREIGN_KEY_INFO *f_key_info;
    List_iterator_fast<FOREIGN_KEY_INFO> it(f_key_list);
    while ((f_key_info=it++))
    {
2990 2991 2992 2993 2994
      if (store_constraints(thd, table, base_name, file_name, 
                            f_key_info->forein_id->str,
                            strlen(f_key_info->forein_id->str),
                            "FOREIGN KEY", 11))
        DBUG_RETURN(1);
2995 2996
    }
  }
unknown's avatar
unknown committed
2997
  DBUG_RETURN(res);
2998 2999 3000
}


3001 3002 3003 3004
static bool store_trigger(THD *thd, TABLE *table, const char *db,
                          const char *tname, LEX_STRING *trigger_name,
                          enum trg_event_type event,
                          enum trg_action_time_type timing,
3005 3006
                          LEX_STRING *trigger_stmt,
                          ulong sql_mode)
3007 3008
{
  CHARSET_INFO *cs= system_charset_info;
3009 3010 3011
  byte *sql_mode_str;
  ulong sql_mode_len;

3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024
  restore_record(table, s->default_values);
  table->field[1]->store(db, strlen(db), cs);
  table->field[2]->store(trigger_name->str, trigger_name->length, cs);
  table->field[3]->store(trg_event_type_names[event].str,
                         trg_event_type_names[event].length, cs);
  table->field[5]->store(db, strlen(db), cs);
  table->field[6]->store(tname, strlen(tname), cs);
  table->field[9]->store(trigger_stmt->str, trigger_stmt->length, cs);
  table->field[10]->store("ROW", 3, cs);
  table->field[11]->store(trg_action_time_type_names[timing].str,
                          trg_action_time_type_names[timing].length, cs);
  table->field[14]->store("OLD", 3, cs);
  table->field[15]->store("NEW", 3, cs);
3025 3026 3027 3028 3029

  sql_mode_str=
    sys_var_thd_sql_mode::symbolic_mode_representation(thd,
                                                       sql_mode,
                                                       &sql_mode_len);
unknown's avatar
unknown committed
3030
  table->field[17]->store((const char*)sql_mode_str, sql_mode_len, cs);
3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062
  return schema_table_store_record(thd, table);
}


static int get_schema_triggers_record(THD *thd, struct st_table_list *tables,
				      TABLE *table, bool res,
				      const char *base_name,
				      const char *file_name)
{
  DBUG_ENTER("get_schema_triggers_record");
  /*
    res can be non zero value when processed table is a view or
    error happened during opening of processed table.
  */
  if (res)
  {
    if (!tables->view)
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                   thd->net.last_errno, thd->net.last_error);
    thd->clear_error();
    DBUG_RETURN(0);
  }
  if (!tables->view && tables->table->triggers)
  {
    Table_triggers_list *triggers= tables->table->triggers;
    int event, timing;
    for (event= 0; event < (int)TRG_EVENT_MAX; event++)
    {
      for (timing= 0; timing < (int)TRG_ACTION_MAX; timing++)
      {
        LEX_STRING trigger_name;
        LEX_STRING trigger_stmt;
3063
        ulong sql_mode;
3064 3065
        if (triggers->get_trigger_info(thd, (enum trg_event_type) event,
                                       (enum trg_action_time_type)timing,
3066 3067
                                       &trigger_name, &trigger_stmt,
                                       &sql_mode))
3068 3069 3070
          continue;
        if (store_trigger(thd, table, base_name, file_name, &trigger_name,
                         (enum trg_event_type) event,
3071 3072
                         (enum trg_action_time_type) timing, &trigger_stmt,
                         sql_mode))
3073 3074 3075 3076 3077 3078 3079 3080
          DBUG_RETURN(1);
      }
    }
  }
  DBUG_RETURN(0);
}


3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094
void store_key_column_usage(TABLE *table, const char*db, const char *tname,
                            const char *key_name, uint key_len, 
                            const char *con_type, uint con_len, longlong idx)
{
  CHARSET_INFO *cs= system_charset_info;
  table->field[1]->store(db, strlen(db), cs);
  table->field[2]->store(key_name, key_len, cs);
  table->field[4]->store(db, strlen(db), cs);
  table->field[5]->store(tname, strlen(tname), cs);
  table->field[6]->store(con_type, con_len, cs);
  table->field[7]->store((longlong) idx);
}


unknown's avatar
unknown committed
3095 3096 3097 3098 3099
static int get_schema_key_column_usage_record(THD *thd,
					      struct st_table_list *tables,
					      TABLE *table, bool res,
					      const char *base_name,
					      const char *file_name)
3100 3101
{
  DBUG_ENTER("get_schema_key_column_usage_record");
3102 3103 3104 3105 3106 3107 3108 3109 3110
  if (res)
  {
    if (!tables->view)
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                   thd->net.last_errno, thd->net.last_error);
    thd->clear_error();
    DBUG_RETURN(0);
  }
  else if (!tables->view)
3111 3112 3113 3114
  {
    List<FOREIGN_KEY_INFO> f_key_list;
    TABLE *show_table= tables->table;
    KEY *key_info=show_table->key_info;
3115
    uint primary_key= show_table->s->primary_key;
3116 3117 3118
    show_table->file->info(HA_STATUS_VARIABLE | 
                           HA_STATUS_NO_LOCK |
                           HA_STATUS_TIME);
3119
    for (uint i=0 ; i < show_table->s->keys ; i++, key_info++)
3120 3121
    {
      if (i != primary_key && !(key_info->flags & HA_NOSAME))
unknown's avatar
unknown committed
3122
        continue;
3123 3124 3125 3126 3127 3128 3129
      uint f_idx= 0;
      KEY_PART_INFO *key_part= key_info->key_part;
      for (uint j=0 ; j < key_info->key_parts ; j++,key_part++)
      {
        if (key_part->field)
        {
          f_idx++;
3130
          restore_record(table, s->default_values);
3131 3132 3133 3134 3135 3136
          store_key_column_usage(table, base_name, file_name,
                                 key_info->name,
                                 strlen(key_info->name), 
                                 key_part->field->field_name, 
                                 strlen(key_part->field->field_name),
                                 (longlong) f_idx);
3137 3138
          if (schema_table_store_record(thd, table))
            DBUG_RETURN(1);
3139 3140 3141 3142 3143 3144 3145 3146 3147
        }
      }
    }

    show_table->file->get_foreign_key_list(thd, &f_key_list);
    FOREIGN_KEY_INFO *f_key_info;
    List_iterator_fast<FOREIGN_KEY_INFO> it(f_key_list);
    while ((f_key_info= it++))
    {
3148
      LEX_STRING *f_info;
3149
      LEX_STRING *r_info;
3150 3151 3152 3153 3154
      List_iterator_fast<LEX_STRING> it(f_key_info->foreign_fields),
        it1(f_key_info->referenced_fields);
      uint f_idx= 0;
      while ((f_info= it++))
      {
3155
        r_info= it1++;
3156
        f_idx++;
3157
        restore_record(table, s->default_values);
3158 3159 3160 3161 3162 3163 3164
        store_key_column_usage(table, base_name, file_name,
                               f_key_info->forein_id->str,
                               f_key_info->forein_id->length,
                               f_info->str, f_info->length,
                               (longlong) f_idx);
        table->field[8]->store((longlong) f_idx);
        table->field[8]->set_notnull();
3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175
        table->field[9]->store(f_key_info->referenced_db->str,
                               f_key_info->referenced_db->length,
                               system_charset_info);
        table->field[9]->set_notnull();
        table->field[10]->store(f_key_info->referenced_table->str,
                                f_key_info->referenced_table->length, 
                                system_charset_info);
        table->field[10]->set_notnull();
        table->field[11]->store(r_info->str, r_info->length,
                                system_charset_info);
        table->field[11]->set_notnull();
3176 3177
        if (schema_table_store_record(thd, table))
          DBUG_RETURN(1);
3178 3179 3180
      }
    }
  }
unknown's avatar
unknown committed
3181
  DBUG_RETURN(res);
3182 3183 3184
}


3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196
int fill_open_tables(THD *thd, TABLE_LIST *tables, COND *cond)
{
  DBUG_ENTER("fill_open_tables");
  const char *wild= thd->lex->wild ? thd->lex->wild->ptr() : NullS;
  TABLE *table= tables->table;
  CHARSET_INFO *cs= system_charset_info;
  OPEN_TABLE_LIST *open_list;
  if (!(open_list=list_open_tables(thd,wild)) && thd->is_fatal_error)
    DBUG_RETURN(1);

  for (; open_list ; open_list=open_list->next)
  {
3197
    restore_record(table, s->default_values);
3198 3199 3200 3201
    table->field[0]->store(open_list->db, strlen(open_list->db), cs);
    table->field[1]->store(open_list->table, strlen(open_list->table), cs);
    table->field[2]->store((longlong) open_list->in_use);
    table->field[3]->store((longlong)  open_list->locked);
3202 3203
    if (schema_table_store_record(thd, table))
      DBUG_RETURN(1);
3204 3205 3206 3207 3208 3209 3210 3211
  }
  DBUG_RETURN(0);
}


int fill_variables(THD *thd, TABLE_LIST *tables, COND *cond)
{
  DBUG_ENTER("fill_variables");
3212
  int res= 0;
3213 3214
  LEX *lex= thd->lex;
  const char *wild= lex->wild ? lex->wild->ptr() : NullS;
3215 3216 3217 3218
  pthread_mutex_lock(&LOCK_global_system_variables);
  res= show_status_array(thd, wild, init_vars, 
                         lex->option_type, 0, "", tables->table);
  pthread_mutex_unlock(&LOCK_global_system_variables);
3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229
  DBUG_RETURN(res);
}


int fill_status(THD *thd, TABLE_LIST *tables, COND *cond)
{
  DBUG_ENTER("fill_status");
  LEX *lex= thd->lex;
  const char *wild= lex->wild ? lex->wild->ptr() : NullS;
  int res= 0;
  STATUS_VAR tmp;
3230 3231
  ha_update_statistics();                    /* Export engines statistics */
  pthread_mutex_lock(&LOCK_status);
3232 3233
  if (lex->option_type == OPT_GLOBAL)
    calc_sum_of_all_status(&tmp);
3234 3235 3236 3237
  res= show_status_array(thd, wild, status_vars, OPT_GLOBAL,
                         (lex->option_type == OPT_GLOBAL ? 
                          &tmp: &thd->status_var), "",tables->table);
  pthread_mutex_unlock(&LOCK_status);
3238 3239 3240 3241
  DBUG_RETURN(res);
}


3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287
/*
  Find schema_tables elment by name

  SYNOPSIS
    find_schema_table()
    thd                 thread handler
    table_name          table name

  RETURN
    0	table not found
    #   pointer to 'shema_tables' element
*/

ST_SCHEMA_TABLE *find_schema_table(THD *thd, const char* table_name)
{
  ST_SCHEMA_TABLE *schema_table= schema_tables;
  for ( ; schema_table->table_name; schema_table++)
  {
    if (!my_strcasecmp(system_charset_info,
                       schema_table->table_name,
                       table_name))
      return schema_table;
  }
  return 0;
}


ST_SCHEMA_TABLE *get_schema_table(enum enum_schema_tables schema_table_idx)
{
  return &schema_tables[schema_table_idx];
}


/*
  Create information_schema table using schema_table data

  SYNOPSIS
    create_schema_table()
    thd	       	          thread handler
    schema_table          pointer to 'shema_tables' element

  RETURN
    #	                  Pointer to created table
    0	                  Can't create table
*/

3288
TABLE *create_schema_table(THD *thd, TABLE_LIST *table_list)
3289 3290 3291 3292 3293
{
  int field_count= 0;
  Item *item;
  TABLE *table;
  List<Item> field_list;
3294
  ST_SCHEMA_TABLE *schema_table= table_list->schema_table;
3295
  ST_FIELD_INFO *fields_info= schema_table->fields_info;
unknown's avatar
unknown committed
3296
  CHARSET_INFO *cs= system_charset_info;
3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316
  DBUG_ENTER("create_schema_table");

  for ( ; fields_info->field_name; fields_info++)
  {
    switch (fields_info->field_type) {
    case MYSQL_TYPE_LONG:
      if (!(item= new Item_int(fields_info->field_name,
                               fields_info->value,
                               fields_info->field_length)))
      {
        DBUG_RETURN(0);
      }
      break;
    case MYSQL_TYPE_TIMESTAMP:
      if (!(item=new Item_datetime(fields_info->field_name)))
      {
        DBUG_RETURN(0);
      }
      break;
    default:
3317 3318
      /* this should be changed when Item_empty_string is fixed(in 4.1) */
      if (!(item= new Item_empty_string("", 0, cs)))
3319 3320 3321
      {
        DBUG_RETURN(0);
      }
3322
      item->max_length= fields_info->field_length * cs->mbmaxlen;
unknown's avatar
unknown committed
3323 3324
      item->set_name(fields_info->field_name,
                     strlen(fields_info->field_name), cs);
3325 3326 3327 3328 3329 3330 3331 3332 3333
      break;
    }
    field_list.push_back(item);
    item->maybe_null= fields_info->maybe_null;
    field_count++;
  }
  TMP_TABLE_PARAM *tmp_table_param =
    (TMP_TABLE_PARAM*) (thd->calloc(sizeof(TMP_TABLE_PARAM)));
  tmp_table_param->init();
unknown's avatar
unknown committed
3334
  tmp_table_param->table_charset= cs;
3335
  tmp_table_param->field_count= field_count;
3336
  tmp_table_param->schema_table= 1;
3337 3338 3339 3340
  SELECT_LEX *select_lex= thd->lex->current_select;
  if (!(table= create_tmp_table(thd, tmp_table_param,
                                field_list, (ORDER*) 0, 0, 0, 
                                (select_lex->options | thd->options |
3341 3342
                                 TMP_TABLE_ALL_COLUMNS) &
                                ~TMP_TABLE_FORCE_MYISAM,
unknown's avatar
unknown committed
3343
                                HA_POS_ERROR, table_list->alias)))
3344
    DBUG_RETURN(0);
3345
  table_list->schema_table_param= tmp_table_param;
3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367
  DBUG_RETURN(table);
}


/*
  For old SHOW compatibility. It is used when
  old SHOW doesn't have generated column names
  Make list of fields for SHOW

  SYNOPSIS
    make_old_format()
    thd			thread handler
    schema_table        pointer to 'schema_tables' element

  RETURN
   -1	errror
    0	success
*/

int make_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  ST_FIELD_INFO *field_info= schema_table->fields_info;
3368
  Name_resolution_context *context= &thd->lex->select_lex.context;
3369 3370 3371 3372
  for ( ; field_info->field_name; field_info++)
  {
    if (field_info->old_name)
    {
3373 3374
      Item_field *field= new Item_field(context,
                                        NullS, NullS, field_info->field_name);
3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393
      if (field)
      {
        field->set_name(field_info->old_name,
                        strlen(field_info->old_name),
                        system_charset_info);
        if (add_item_to_list(thd, field))
          return 1;
      }
    }
  }
  return 0;
}


int make_schemata_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  char tmp[128];
  LEX *lex= thd->lex;
  SELECT_LEX *sel= lex->current_select;
3394
  Name_resolution_context *context= &sel->context;
3395 3396 3397 3398 3399

  if (!sel->item_list.elements)
  {
    ST_FIELD_INFO *field_info= &schema_table->fields_info[1];
    String buffer(tmp,sizeof(tmp), system_charset_info);
3400 3401
    Item_field *field= new Item_field(context,
                                      NullS, NullS, field_info->field_name);
3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422
    if (!field || add_item_to_list(thd, field))
      return 1;
    buffer.length(0);
    buffer.append(field_info->old_name);
    if (lex->wild && lex->wild->ptr())
    {
      buffer.append(" (");
      buffer.append(lex->wild->ptr());
      buffer.append(")");
    }
    field->set_name(buffer.ptr(), buffer.length(), system_charset_info);
  }
  return 0;
}


int make_table_names_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  char tmp[128];
  String buffer(tmp,sizeof(tmp), thd->charset());
  LEX *lex= thd->lex;
3423
  Name_resolution_context *context= &lex->select_lex.context;
3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434

  ST_FIELD_INFO *field_info= &schema_table->fields_info[2];
  buffer.length(0);
  buffer.append(field_info->old_name);
  buffer.append(lex->select_lex.db);
  if (lex->wild && lex->wild->ptr())
  {
    buffer.append(" (");
    buffer.append(lex->wild->ptr());
    buffer.append(")");
  }
3435 3436
  Item_field *field= new Item_field(context,
                                    NullS, NullS, field_info->field_name);
3437 3438 3439 3440 3441 3442 3443
  if (add_item_to_list(thd, field))
    return 1;
  field->set_name(buffer.ptr(), buffer.length(), system_charset_info);
  if (thd->lex->verbose)
  {
    field->set_name(buffer.ptr(), buffer.length(), system_charset_info);
    field_info= &schema_table->fields_info[3];
3444
    field= new Item_field(context, NullS, NullS, field_info->field_name);
3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455
    if (add_item_to_list(thd, field))
      return 1;
    field->set_name(field_info->old_name, strlen(field_info->old_name),
                    system_charset_info);
  }
  return 0;
}


int make_columns_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
3456 3457 3458
  int fields_arr[]= {3, 14, 13, 6, 15, 5, 16, 17, 18, -1};
  int *field_num= fields_arr;
  ST_FIELD_INFO *field_info;
3459 3460
  Name_resolution_context *context= &thd->lex->select_lex.context;

3461
  for (; *field_num >= 0; field_num++)
3462
  {
3463 3464 3465 3466 3467
    field_info= &schema_table->fields_info[*field_num];
    if (!thd->lex->verbose && (*field_num == 13 ||
                               *field_num == 17 ||
                               *field_num == 18))
      continue;
3468 3469
    Item_field *field= new Item_field(context,
                                      NullS, NullS, field_info->field_name);
3470
    if (field)
3471
    {
3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482
      field->set_name(field_info->old_name,
                      strlen(field_info->old_name),
                      system_charset_info);
      if (add_item_to_list(thd, field))
        return 1;
    }
  }
  return 0;
}


3483 3484 3485 3486 3487
int make_character_sets_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  int fields_arr[]= {0, 2, 1, 3, -1};
  int *field_num= fields_arr;
  ST_FIELD_INFO *field_info;
3488 3489
  Name_resolution_context *context= &thd->lex->select_lex.context;

3490 3491 3492
  for (; *field_num >= 0; field_num++)
  {
    field_info= &schema_table->fields_info[*field_num];
3493 3494
    Item_field *field= new Item_field(context,
                                      NullS, NullS, field_info->field_name);
3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507
    if (field)
    {
      field->set_name(field_info->old_name,
                      strlen(field_info->old_name),
                      system_charset_info);
      if (add_item_to_list(thd, field))
        return 1;
    }
  }
  return 0;
}


3508 3509 3510 3511 3512
int make_proc_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  int fields_arr[]= {2, 3, 4, 19, 16, 15, 14, 18, -1};
  int *field_num= fields_arr;
  ST_FIELD_INFO *field_info;
3513 3514
  Name_resolution_context *context= &thd->lex->select_lex.context;

3515 3516 3517
  for (; *field_num >= 0; field_num++)
  {
    field_info= &schema_table->fields_info[*field_num];
3518 3519
    Item_field *field= new Item_field(context,
                                      NullS, NullS, field_info->field_name);
3520 3521 3522 3523 3524 3525 3526
    if (field)
    {
      field->set_name(field_info->old_name,
                      strlen(field_info->old_name),
                      system_charset_info);
      if (add_item_to_list(thd, field))
        return 1;
3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550
    }
  }
  return 0;
}


/*
  Create information_schema table

  SYNOPSIS
  mysql_schema_table()
    thd                thread handler
    lex                pointer to LEX
    table_list         pointer to table_list

  RETURN
    0	success
    1   error
*/

int mysql_schema_table(THD *thd, LEX *lex, TABLE_LIST *table_list)
{
  TABLE *table;
  DBUG_ENTER("mysql_schema_table");
3551
  if (!(table= table_list->schema_table->create_table(thd, table_list)))
3552 3553 3554
  {
    DBUG_RETURN(1);
  }
3555
  table->s->tmp_table= TMP_TABLE;
3556
  table->grant.privilege= SELECT_ACL;
3557 3558 3559 3560 3561 3562 3563
  /*
    This test is necessary to make
    case insensitive file systems +
    upper case table names(information schema tables) +
    views
    working correctly
  */
3564 3565 3566 3567
  if (table_list->schema_table_name)
    table->alias_name_used= my_strcasecmp(table_alias_charset,
                                          table_list->schema_table_name,
                                          table_list->alias);
3568
  table_list->table_name= (char*) table->s->table_name;
3569
  table_list->table_name_length= strlen(table->s->table_name);
3570 3571 3572 3573
  table_list->table= table;
  table->next= thd->derived_tables;
  thd->derived_tables= table;
  table_list->select_lex->options |= OPTION_SCHEMA_TABLE;
3574
  lex->safe_to_cache_query= 0;
3575 3576 3577 3578 3579

  if (table_list->schema_table_reformed) // show command
  {
    SELECT_LEX *sel= lex->current_select;
    Item *item;
unknown's avatar
unknown committed
3580
    Field_translator *transl, *org_transl;
3581 3582 3583

    if (table_list->field_translation)
    {
3584
      Field_translator *end= table_list->field_translation_end;
3585 3586 3587
      for (transl= table_list->field_translation; transl < end; transl++)
      {
        if (!transl->item->fixed &&
3588
            transl->item->fix_fields(thd, &transl->item))
3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600
          DBUG_RETURN(1);
      }
      DBUG_RETURN(0);
    }
    List_iterator_fast<Item> it(sel->item_list);
    if (!(transl=
          (Field_translator*)(thd->current_arena->
                              alloc(sel->item_list.elements *
                                    sizeof(Field_translator)))))
    {
      DBUG_RETURN(1);
    }
unknown's avatar
unknown committed
3601
    for (org_transl= transl; (item= it++); transl++)
3602
    {
unknown's avatar
unknown committed
3603 3604 3605 3606
      transl->item= item;
      transl->name= item->name;
      if (!item->fixed && item->fix_fields(thd, &transl->item))
      {
3607
        DBUG_RETURN(1);
unknown's avatar
unknown committed
3608
      }
3609
    }
unknown's avatar
unknown committed
3610 3611
    table_list->field_translation= org_transl;
    table_list->field_translation_end= transl;
3612 3613
  }

3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637
  DBUG_RETURN(0);
}


/*
  Generate select from information_schema table

  SYNOPSIS
    make_schema_select()
    thd                  thread handler
    sel                  pointer to SELECT_LEX
    schema_table_idx     index of 'schema_tables' element

  RETURN
    0	success
    1   error
*/

int make_schema_select(THD *thd, SELECT_LEX *sel,
		       enum enum_schema_tables schema_table_idx)
{
  ST_SCHEMA_TABLE *schema_table= get_schema_table(schema_table_idx);
  LEX_STRING db, table;
  DBUG_ENTER("mysql_schema_select");
3638
  /*
3639 3640 3641 3642 3643 3644 3645
     We have to make non const db_name & table_name
     because of lower_case_table_names
  */
  make_lex_string(thd, &db, information_schema_name.str,
                  information_schema_name.length, 0);
  make_lex_string(thd, &table, schema_table->table_name,
                  strlen(schema_table->table_name), 0);
3646
  if (schema_table->old_format(thd, schema_table) ||   /* Handle old syntax */
3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657
      !sel->add_table_to_list(thd, new Table_ident(thd, db, table, 0),
                              0, 0, TL_READ, (List<String> *) 0,
                              (List<String> *) 0))
  {
    DBUG_RETURN(1);
  }
  DBUG_RETURN(0);
}


/*
3658
  Fill temporary schema tables before SELECT
3659 3660 3661 3662 3663 3664

  SYNOPSIS
    get_schema_tables_result()
    join  join which use schema tables

  RETURN
unknown's avatar
unknown committed
3665 3666
    FALSE success
    TRUE  error
3667 3668
*/

unknown's avatar
unknown committed
3669
bool get_schema_tables_result(JOIN *join)
3670 3671 3672
{
  JOIN_TAB *tmp_join_tab= join->join_tab+join->tables;
  THD *thd= join->thd;
unknown's avatar
unknown committed
3673 3674
  LEX *lex= thd->lex;
  bool result= 0;
3675 3676 3677
  DBUG_ENTER("get_schema_tables_result");

  thd->no_warnings_for_error= 1;
3678 3679 3680 3681
  for (JOIN_TAB *tab= join->join_tab; tab < tmp_join_tab; tab++)
  {  
    if (!tab->table || !tab->table->pos_in_table_list)
      break;
unknown's avatar
unknown committed
3682

unknown's avatar
unknown committed
3683
    TABLE_LIST *table_list= tab->table->pos_in_table_list;
unknown's avatar
unknown committed
3684
    if (table_list->schema_table && thd->fill_derived_tables())
3685
    {
unknown's avatar
unknown committed
3686 3687 3688 3689 3690 3691 3692 3693 3694 3695
      if (&lex->unit != lex->current_select->master_unit()) // is subselect
      {
        table_list->table->file->extra(HA_EXTRA_RESET_STATE);
        table_list->table->file->delete_all_rows();
        free_io_cache(table_list->table);
        filesort_free_buffers(table_list->table);
      }
      else
        table_list->table->file->records= 0;

3696 3697
      if (table_list->schema_table->fill_table(thd, table_list,
                                               tab->select_cond))
unknown's avatar
unknown committed
3698
        result= 1;
3699 3700
    }
  }
3701
  thd->no_warnings_for_error= 0;
unknown's avatar
unknown committed
3702
  DBUG_RETURN(result);
3703 3704 3705 3706 3707
}


ST_FIELD_INFO schema_fields_info[]=
{
unknown's avatar
unknown committed
3708 3709
  {"CATALOG_NAME", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"SCHEMA_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Database"},
3710
  {"DEFAULT_CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 0, 0},
3711
  {"DEFAULT_COLLATION_NAME", 64, MYSQL_TYPE_STRING, 0, 0, 0},
3712
  {"SQL_PATH", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
unknown's avatar
unknown committed
3713
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3714 3715 3716 3717 3718
};


ST_FIELD_INFO tables_fields_info[]=
{
unknown's avatar
unknown committed
3719 3720 3721 3722 3723 3724 3725
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA",NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Name"},
  {"TABLE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"ENGINE", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, "Engine"},
  {"VERSION", 21 , MYSQL_TYPE_LONG, 0, 1, "Version"},
  {"ROW_FORMAT", 10, MYSQL_TYPE_STRING, 0, 1, "Row_format"},
3726
  {"TABLE_ROWS", 21 , MYSQL_TYPE_LONG, 0, 1, "Rows"},
unknown's avatar
unknown committed
3727 3728 3729 3730 3731 3732 3733 3734 3735
  {"AVG_ROW_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, "Avg_row_length"},
  {"DATA_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, "Data_length"},
  {"MAX_DATA_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, "Max_data_length"},
  {"INDEX_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, "Index_length"},
  {"DATA_FREE", 21 , MYSQL_TYPE_LONG, 0, 1, "Data_free"},
  {"AUTO_INCREMENT", 21 , MYSQL_TYPE_LONG, 0, 1, "Auto_increment"},
  {"CREATE_TIME", 0, MYSQL_TYPE_TIMESTAMP, 0, 1, "Create_time"},
  {"UPDATE_TIME", 0, MYSQL_TYPE_TIMESTAMP, 0, 1, "Update_time"},
  {"CHECK_TIME", 0, MYSQL_TYPE_TIMESTAMP, 0, 1, "Check_time"},
3736
  {"TABLE_COLLATION", 64, MYSQL_TYPE_STRING, 0, 1, "Collation"},
unknown's avatar
unknown committed
3737 3738
  {"CHECKSUM", 21 , MYSQL_TYPE_LONG, 0, 1, "Checksum"},
  {"CREATE_OPTIONS", 255, MYSQL_TYPE_STRING, 0, 1, "Create_options"},
3739
  {"TABLE_COMMENT", 80, MYSQL_TYPE_STRING, 0, 0, "Comment"},
unknown's avatar
unknown committed
3740
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3741 3742 3743 3744 3745
};


ST_FIELD_INFO columns_fields_info[]=
{
unknown's avatar
unknown committed
3746 3747 3748 3749 3750
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"COLUMN_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Field"},
  {"ORDINAL_POSITION", 21 , MYSQL_TYPE_LONG, 0, 0, 0},
3751 3752
  {"COLUMN_DEFAULT", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, "Default"},
  {"IS_NULLABLE", 3, MYSQL_TYPE_STRING, 0, 0, "Null"},
3753
  {"DATA_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
3754 3755
  {"CHARACTER_MAXIMUM_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, 0},
  {"CHARACTER_OCTET_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, 0},
3756 3757
  {"NUMERIC_PRECISION", 21 , MYSQL_TYPE_LONG, 0, 1, 0},
  {"NUMERIC_SCALE", 21 , MYSQL_TYPE_LONG, 0, 1, 0},
3758 3759
  {"CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 1, 0},
  {"COLLATION_NAME", 64, MYSQL_TYPE_STRING, 0, 1, "Collation"},
unknown's avatar
unknown committed
3760
  {"COLUMN_TYPE", 65535, MYSQL_TYPE_STRING, 0, 0, "Type"},
3761
  {"COLUMN_KEY", 3, MYSQL_TYPE_STRING, 0, 0, "Key"},
unknown's avatar
unknown committed
3762 3763
  {"EXTRA", 20, MYSQL_TYPE_STRING, 0, 0, "Extra"},
  {"PRIVILEGES", 80, MYSQL_TYPE_STRING, 0, 0, "Privileges"},
3764
  {"COLUMN_COMMENT", 255, MYSQL_TYPE_STRING, 0, 0, "Comment"},
unknown's avatar
unknown committed
3765
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3766 3767 3768 3769 3770
};


ST_FIELD_INFO charsets_fields_info[]=
{
3771 3772
  {"CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 0, "Charset"},
  {"DEFAULT_COLLATE_NAME", 64, MYSQL_TYPE_STRING, 0, 0, "Default collation"},
3773
  {"DESCRIPTION", 60, MYSQL_TYPE_STRING, 0, 0, "Description"},
3774
  {"MAXLEN", 3 ,MYSQL_TYPE_LONG, 0, 0, "Maxlen"},
unknown's avatar
unknown committed
3775
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3776 3777 3778 3779 3780
};


ST_FIELD_INFO collation_fields_info[]=
{
3781 3782
  {"COLLATION_NAME", 64, MYSQL_TYPE_STRING, 0, 0, "Collation"},
  {"CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 0, "Charset"},
3783
  {"ID", 11, MYSQL_TYPE_LONG, 0, 0, "Id"},
3784 3785
  {"IS_DEFAULT", 3, MYSQL_TYPE_STRING, 0, 0, "Default"},
  {"IS_COMPILED", 3, MYSQL_TYPE_STRING, 0, 0, "Compiled"},
3786
  {"SORTLEN", 3 ,MYSQL_TYPE_LONG, 0, 0, "Sortlen"},
unknown's avatar
unknown committed
3787
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3788 3789 3790 3791 3792
};


ST_FIELD_INFO coll_charset_app_fields_info[]=
{
3793 3794
  {"COLLATION_NAME", 64, MYSQL_TYPE_STRING, 0, 0, 0},
  {"CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 0, 0},
unknown's avatar
unknown committed
3795
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3796 3797 3798 3799 3800
};


ST_FIELD_INFO proc_fields_info[]=
{
unknown's avatar
unknown committed
3801 3802 3803 3804 3805
  {"SPECIFIC_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"ROUTINE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"ROUTINE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Db"},
  {"ROUTINE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Name"},
  {"ROUTINE_TYPE", 9, MYSQL_TYPE_STRING, 0, 0, "Type"},
3806 3807
  {"DTD_IDENTIFIER", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"ROUTINE_BODY", 8, MYSQL_TYPE_STRING, 0, 0, 0},
unknown's avatar
unknown committed
3808
  {"ROUTINE_DEFINITION", 65535, MYSQL_TYPE_STRING, 0, 0, 0},
3809 3810
  {"EXTERNAL_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"EXTERNAL_LANGUAGE", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
3811
  {"PARAMETER_STYLE", 8, MYSQL_TYPE_STRING, 0, 0, 0},
unknown's avatar
unknown committed
3812 3813 3814 3815
  {"IS_DETERMINISTIC", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {"SQL_DATA_ACCESS", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"SQL_PATH", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"SECURITY_TYPE", 7, MYSQL_TYPE_STRING, 0, 0, "Security_type"},
3816 3817
  {"CREATED", 0, MYSQL_TYPE_TIMESTAMP, 0, 0, "Created"},
  {"LAST_ALTERED", 0, MYSQL_TYPE_TIMESTAMP, 0, 0, "Modified"},
unknown's avatar
unknown committed
3818
  {"SQL_MODE", 65535, MYSQL_TYPE_STRING, 0, 0, 0},
unknown's avatar
unknown committed
3819
  {"ROUTINE_COMMENT", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Comment"},
3820
  {"DEFINER", 77, MYSQL_TYPE_STRING, 0, 0, "Definer"},
unknown's avatar
unknown committed
3821
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3822 3823 3824 3825 3826
};


ST_FIELD_INFO stat_fields_info[]=
{
unknown's avatar
unknown committed
3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Table"},
  {"NON_UNIQUE", 1, MYSQL_TYPE_LONG, 0, 0, "Non_unique"},
  {"INDEX_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"INDEX_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Key_name"},
  {"SEQ_IN_INDEX", 2, MYSQL_TYPE_LONG, 0, 0, "Seq_in_index"},
  {"COLUMN_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Column_name"},
  {"COLLATION", 1, MYSQL_TYPE_STRING, 0, 1, "Collation"},
  {"CARDINALITY", 21, MYSQL_TYPE_LONG, 0, 1, "Cardinality"},
  {"SUB_PART", 3, MYSQL_TYPE_LONG, 0, 1, "Sub_part"},
  {"PACKED", 10, MYSQL_TYPE_STRING, 0, 1, "Packed"},
  {"NULLABLE", 3, MYSQL_TYPE_STRING, 0, 0, "Null"},
  {"INDEX_TYPE", 16, MYSQL_TYPE_STRING, 0, 0, "Index_type"},
  {"COMMENT", 16, MYSQL_TYPE_STRING, 0, 1, "Comment"},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3843 3844 3845 3846 3847
};


ST_FIELD_INFO view_fields_info[]=
{
unknown's avatar
unknown committed
3848 3849 3850 3851
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"VIEW_DEFINITION", 65535, MYSQL_TYPE_STRING, 0, 0, 0},
3852
  {"CHECK_OPTION", 8, MYSQL_TYPE_STRING, 0, 0, 0},
unknown's avatar
unknown committed
3853 3854
  {"IS_UPDATABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3855 3856 3857 3858 3859
};


ST_FIELD_INFO user_privileges_fields_info[]=
{
unknown's avatar
unknown committed
3860 3861 3862 3863 3864
  {"GRANTEE", 81, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"PRIVILEGE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"IS_GRANTABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3865 3866 3867 3868 3869
};


ST_FIELD_INFO schema_privileges_fields_info[]=
{
unknown's avatar
unknown committed
3870 3871 3872 3873 3874 3875
  {"GRANTEE", 81, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"PRIVILEGE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"IS_GRANTABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3876 3877 3878 3879 3880
};


ST_FIELD_INFO table_privileges_fields_info[]=
{
unknown's avatar
unknown committed
3881 3882 3883 3884 3885 3886 3887
  {"GRANTEE", 81, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"PRIVILEGE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"IS_GRANTABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3888 3889 3890 3891 3892
};


ST_FIELD_INFO column_privileges_fields_info[]=
{
unknown's avatar
unknown committed
3893 3894 3895 3896 3897 3898 3899 3900
  {"GRANTEE", 81, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"COLUMN_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"PRIVILEGE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"IS_GRANTABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3901 3902 3903 3904 3905
};


ST_FIELD_INFO table_constraints_fields_info[]=
{
unknown's avatar
unknown committed
3906 3907 3908 3909 3910 3911 3912
  {"CONSTRAINT_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"CONSTRAINT_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"CONSTRAINT_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"CONSTRAINT_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3913 3914 3915 3916 3917
};


ST_FIELD_INFO key_column_usage_fields_info[]=
{
unknown's avatar
unknown committed
3918 3919 3920
  {"CONSTRAINT_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"CONSTRAINT_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"CONSTRAINT_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
3921
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
unknown's avatar
unknown committed
3922 3923 3924 3925
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"COLUMN_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"ORDINAL_POSITION", 10 ,MYSQL_TYPE_LONG, 0, 0, 0},
3926
  {"POSITION_IN_UNIQUE_CONSTRAINT", 10 ,MYSQL_TYPE_LONG, 0, 1, 0},
3927 3928 3929
  {"REFERENCED_TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"REFERENCED_TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"REFERENCED_COLUMN_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
unknown's avatar
unknown committed
3930
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3931 3932 3933 3934 3935
};


ST_FIELD_INFO table_names_fields_info[]=
{
unknown's avatar
unknown committed
3936 3937 3938 3939 3940
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA",NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Tables_in_"},
  {"TABLE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Table_type"},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3941 3942 3943
};


3944 3945 3946 3947 3948 3949 3950 3951 3952 3953
ST_FIELD_INFO open_tables_fields_info[]=
{
  {"Database", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Database"},
  {"Table",NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Table"},
  {"In_use", 1, MYSQL_TYPE_LONG, 0, 0, "In_use"},
  {"Name_locked", 4, MYSQL_TYPE_LONG, 0, 0, "Name_locked"},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
};


3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972
ST_FIELD_INFO triggers_fields_info[]=
{
  {"TRIGGER_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TRIGGER_SCHEMA",NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TRIGGER_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Trigger"},
  {"EVENT_MANIPULATION", 6, MYSQL_TYPE_STRING, 0, 0, "Event"},
  {"EVENT_OBJECT_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"EVENT_OBJECT_SCHEMA",NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"EVENT_OBJECT_TABLE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Table"},
  {"ACTION_ORDER", 4, MYSQL_TYPE_LONG, 0, 0, 0},
  {"ACTION_CONDITION", 65535, MYSQL_TYPE_STRING, 0, 1, 0},
  {"ACTION_STATEMENT", 65535, MYSQL_TYPE_STRING, 0, 0, "Statement"},
  {"ACTION_ORIENTATION", 9, MYSQL_TYPE_STRING, 0, 0, 0},
  {"ACTION_TIMING", 6, MYSQL_TYPE_STRING, 0, 0, "Timing"},
  {"ACTION_REFERENCE_OLD_TABLE", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"ACTION_REFERENCE_NEW_TABLE", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"ACTION_REFERENCE_OLD_ROW", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {"ACTION_REFERENCE_NEW_ROW", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {"CREATED", 0, MYSQL_TYPE_TIMESTAMP, 0, 1, "Created"},
3973
  {"SQL_MODE", 65535, MYSQL_TYPE_STRING, 0, 0, "sql_mode"},
3974 3975 3976 3977
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
};


3978 3979 3980 3981 3982 3983 3984 3985
ST_FIELD_INFO variables_fields_info[]=
{
  {"Variable_name", 80, MYSQL_TYPE_STRING, 0, 0, "Variable_name"},
  {"Value", 255, MYSQL_TYPE_STRING, 0, 0, "Value"},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
};


3986 3987 3988 3989 3990 3991 3992
/*
  Description of ST_FIELD_INFO in table.h
*/

ST_SCHEMA_TABLE schema_tables[]=
{
  {"CHARACTER_SETS", charsets_fields_info, create_schema_table, 
3993
   fill_schema_charsets, make_character_sets_old_format, 0, -1, -1, 0},
3994
  {"COLLATIONS", collation_fields_info, create_schema_table, 
3995
   fill_schema_collation, make_old_format, 0, -1, -1, 0},
3996
  {"COLLATION_CHARACTER_SET_APPLICABILITY", coll_charset_app_fields_info,
3997
   create_schema_table, fill_schema_coll_charset_app, 0, 0, -1, -1, 0},
3998 3999
  {"COLUMNS", columns_fields_info, create_schema_table, 
   get_all_tables, make_columns_old_format, get_schema_column_record, 1, 2, 0},
4000
  {"COLUMN_PRIVILEGES", column_privileges_fields_info, create_schema_table,
4001
    fill_schema_column_privileges, 0, 0, -1, -1, 0},
4002
  {"KEY_COLUMN_USAGE", key_column_usage_fields_info, create_schema_table,
4003
    get_all_tables, 0, get_schema_key_column_usage_record, 4, 5, 0},
4004 4005
  {"OPEN_TABLES", open_tables_fields_info, create_schema_table,
   fill_open_tables, make_old_format, 0, -1, -1, 1},
4006 4007 4008 4009 4010 4011 4012 4013
  {"ROUTINES", proc_fields_info, create_schema_table, 
    fill_schema_proc, make_proc_old_format, 0, -1, -1, 0},
  {"SCHEMATA", schema_fields_info, create_schema_table,
   fill_schema_shemata, make_schemata_old_format, 0, 1, -1, 0},
  {"SCHEMA_PRIVILEGES", schema_privileges_fields_info, create_schema_table,
    fill_schema_schema_privileges, 0, 0, -1, -1, 0},
  {"STATISTICS", stat_fields_info, create_schema_table, 
    get_all_tables, make_old_format, get_schema_stat_record, 1, 2, 0},
4014 4015
  {"STATUS", variables_fields_info, create_schema_table, fill_status, 
   make_old_format, 0, -1, -1, 1},
4016 4017 4018 4019 4020 4021 4022 4023
  {"TABLES", tables_fields_info, create_schema_table, 
   get_all_tables, make_old_format, get_schema_tables_record, 1, 2, 0},
  {"TABLE_CONSTRAINTS", table_constraints_fields_info, create_schema_table,
    get_all_tables, 0, get_schema_constraints_record, 3, 4, 0},
  {"TABLE_NAMES", table_names_fields_info, create_schema_table,
   get_all_tables, make_table_names_old_format, 0, 1, 2, 1},
  {"TABLE_PRIVILEGES", table_privileges_fields_info, create_schema_table,
    fill_schema_table_privileges, 0, 0, -1, -1, 0},
4024
  {"TRIGGERS", triggers_fields_info, create_schema_table,
4025
   get_all_tables, make_old_format, get_schema_triggers_record, 5, 6, 0},
4026 4027
  {"VARIABLES", variables_fields_info, create_schema_table, fill_variables,
   make_old_format, 0, -1, -1, 1},
4028 4029 4030 4031
  {"VIEWS", view_fields_info, create_schema_table, 
    get_all_tables, 0, get_schema_views_record, 1, 2, 0},
  {"USER_PRIVILEGES", user_privileges_fields_info, create_schema_table, 
    fill_schema_user_privileges, 0, 0, -1, -1, 0},
4032
  {0, 0, 0, 0, 0, 0, 0, 0, 0}
4033 4034 4035
};


4036
#ifdef HAVE_EXPLICIT_TEMPLATE_INSTANTIATION
unknown's avatar
unknown committed
4037
template class List_iterator_fast<char>;
unknown's avatar
unknown committed
4038 4039
template class List<char>;
#endif