query_cache.test 40 KB
Newer Older
1 2
-- source include/have_query_cache.inc

3 4 5
#
# Tests with query cache
#
6
set GLOBAL query_cache_size=1355776;
7 8 9

# Reset query cache variables.

10 11
flush query cache; # This crashed in some versions
flush query cache; # This crashed in some versions
12 13
reset query cache;
flush status;
14
--disable_warnings
monty@mysql.com's avatar
monty@mysql.com committed
15
drop table if exists t1,t2,t3,t4,t11,t21,t1_1,t1_2,t9,t9_1,t9_2;
16
drop database if exists mysqltest;
17 18 19 20

# Fix possible left overs from other tests
drop table if exists ```a`;
drop view if exists v1;
21
--enable_warnings
22 23 24 25 26

#
# First simple test
#

27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
select * from t1;
select * from t1;
select sql_no_cache * from t1;
select length(now()) from t1;

# Only check the variables that are independent of the machine and startup
# options

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

drop table t1;

show status like "Qcache_queries_in_cache";
44 45 46 47 48 49 50 51

#
# MERGE TABLES with INSERT/UPDATE and DELETE
#
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
create table t2 (a int not null);
insert into t2 values (4),(5),(6);
52
create table t3 (a int not null) engine=MERGE UNION=(t1,t2) INSERT_METHOD=FIRST;
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
# insert
select * from t3;
select * from t3;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
insert into t2  values (7);
show status like "Qcache_queries_in_cache";
select * from t1;
select * from t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
insert into t3 values (8);
show status like "Qcache_queries_in_cache";
# update
select * from t3;
show status like "Qcache_queries_in_cache";
update t2 set a=9 where a=7;
show status like "Qcache_queries_in_cache";
select * from t1;
show status like "Qcache_queries_in_cache";
update t3 set a=10 where a=1;
show status like "Qcache_queries_in_cache";
#delete
select * from t3;
show status like "Qcache_queries_in_cache";
delete from t2 where a=9;
show status like "Qcache_queries_in_cache";
select * from t1;
show status like "Qcache_queries_in_cache";
delete from t3 where a=10;
show status like "Qcache_queries_in_cache";
drop table t1, t2, t3;
#
# SELECT SQL_CACHE ...
#
88
set query_cache_type=demand;
89 90 91 92
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
select * from t1;
show status like "Qcache_queries_in_cache";
93
select sql_cache * from t1 union select * from t1;
94
set query_cache_type=2;
95
select sql_cache * from t1 union select * from t1;
96 97

# all sql_cache statements, except for the first select, are ignored.
98
select * from t1 union select sql_cache * from t1;
99 100
select * from t1 where a IN (select sql_cache a from t1);
select * from t1 where a IN (select a from t1 union select sql_cache a from t1);
101 102
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
103
set query_cache_type=on;
104 105 106 107 108 109 110 111 112
#
# RESET QUERY CACHE
#
reset query cache;
show status like "Qcache_queries_in_cache";
#
# SELECT SQL_NO_CACHE
#
select sql_no_cache * from t1;
113 114 115 116 117 118 119 120 121
# sql_no_cache can occur in any nested select to turn on cacheing for the whole
# expression and it will always override a sql_cache statement.
select * from t1 union select sql_no_cache * from t1;
select * from t1 where a IN (select sql_no_cache a from t1);
select * from t1 where a IN (select a from t1 union select sql_no_cache a from t1);
select sql_cache sql_no_cache * from t1;
select sql_cache  * from t1 union select sql_no_cache * from t1;
select sql_cache * from t1 where a IN (select sql_no_cache a from t1);
select sql_cache * from t1 where a IN (select a from t1 union select sql_no_cache a from t1);
122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141
show status like "Qcache_queries_in_cache";
drop table t1;
#
# Check that queries that uses NOW(), LAST_INSERT_ID()... are not cached.
#
create table t1 (a text not null);
select CONNECTION_ID() from t1;
#GET_LOCK
#RELEASE_LOCK
#LOAD_FILE
select FOUND_ROWS();
select NOW() from t1;
select CURDATE() from t1;
select CURTIME() from t1;
select DATABASE() from t1;
select ENCRYPT("test") from t1;
select LAST_INSERT_ID() from t1;
select RAND() from t1;
select UNIX_TIMESTAMP() from t1;
select USER() from t1;
142
select CURRENT_USER() from t1;
143
select benchmark(1,1) from t1;
144
explain extended select benchmark(1,1) from t1;
145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170
show status like "Qcache_queries_in_cache";
#
# Tests when the cache is filled
#
create table t2 (a text not null);
insert into t1 values("1111111111111111111111111111111111111111111111111111");
insert into t2 select * from t1;
insert into t1 select * from t2; # 2
insert into t2 select * from t1; # 3
insert into t1 select * from t2; # 5
insert into t2 select * from t1; # 8
insert into t1 select * from t2; # 13
insert into t2 select * from t1; # 21
insert into t1 select * from t2; # 34
insert into t2 select * from t1; # 55
insert into t1 select * from t2; # 89
insert into t2 select * from t1; # 144
insert into t1 select * from t2; # 233
insert into t2 select * from t1; # 357
insert into t1 select * from t2; # 610
insert into t2 select * from t1; # 987
insert into t1 select * from t2; # 1597
insert into t2 select * from t1; # 2584
insert into t1 select * from t2; # 4181

show status like "Qcache_hits";
171
show status like "Qcache_lowmem_prunes";
172 173 174 175 176 177 178 179 180
disable_result_log;
select a as a1, a as a2 from t1;
select a as a2, a as a3 from t1;
select a as a3, a as a4 from t1;
# next query must be out of 1Mb cache
select a as a1, a as a2 from t1;
enable_result_log;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
181
show status like "Qcache_lowmem_prunes";
182
reset query cache;
183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204
#
# Query bigger then query_cache_limit
#
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
disable_result_log;
select * from t1;
enable_result_log;
show status like "Qcache_queries_in_cache";
drop table t1,t2;

#
# noncachable ODBC work around (and prepare cache for drop database)
#
205
create database mysqltest;
206 207 208
create table mysqltest.t1 (i int not null auto_increment, a int, primary key (i));
insert into mysqltest.t1 (a) values (1);
select * from mysqltest.t1 where i is null;
209 210 211 212

#
# drop db
#
213 214 215
create table t1(a int);
select * from t1;
show status like "Qcache_queries_in_cache";
216
select * from mysqltest.t1;
217
show status like "Qcache_queries_in_cache";
218
drop database mysqltest;
219
show status like "Qcache_queries_in_cache";
220
drop table t1;
221

222
#
223
# Charset conversion (cp1251_koi8 always present)
224
#
225 226 227
create table t1 (a char(1) not null collate koi8r_general_ci);
insert into t1 values(_koi8r"");
set CHARACTER SET koi8r;
228 229 230 231 232
select * from t1;
set CHARACTER SET cp1251_koi8;
select * from t1;
set CHARACTER SET DEFAULT;
show status like "Qcache_queries_in_cache";
233
show status like "Qcache_hits";
234
drop table t1;
monty@hundin.mysql.fi's avatar
monty@hundin.mysql.fi committed
235 236 237 238 239

# The following tests can't be done as the values differen on 32 and 64 bit
#  machines :(
#show variables like "query_cache_size";
#show status like "Qcache_free_memory";
240

241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261
#
# same tables in different db
#
create database if not exists mysqltest;
create table mysqltest.t1 (i int not null);
create table t1 (i int not null);
insert into mysqltest.t1 (i) values (1);
insert into t1 (i) values (2);

select * from t1;
use mysqltest;
select * from t1;
select * from t1;
use test;
select * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";

drop database mysqltest;
drop table t1;

262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289
#
# FOUND_ROWS()
#

create table t1 (i int not null);
insert into t1 (i) values (1),(2),(3),(4);

select SQL_CALC_FOUND_ROWS * from t1 limit 2;
select FOUND_ROWS();
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";

select * from t1 where i=1;
select FOUND_ROWS();
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";

select SQL_CALC_FOUND_ROWS * from t1 limit 2;
select FOUND_ROWS();
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";

select * from t1 where i=1;
select FOUND_ROWS();
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
drop table t1;

290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307
#
# Test insert delayed
#

flush query cache;
reset query cache;

create table t1 (a int not null);
insert into t1 values (1),(2),(3);
select * from t1;
select * from t1;
show status like "Qcache_queries_in_cache";
insert delayed into t1 values (4);
--sleep 5	# Wait for insert delayed to be executed.
select a from t1;
show status like "Qcache_queries_in_cache";
drop table t1;
show status like "Qcache_queries_in_cache";
308

309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
#
# Test of min result data unit size changing
#
show global variables like "query_cache_min_res_unit";
set GLOBAL query_cache_min_res_unit=1001;
show global variables like "query_cache_min_res_unit";
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
create table t2 (a int not null);
insert into t2 values (1),(2),(3);
select * from t1;
select * from t1;
select * from t2;
select * from t2;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
drop table t1;
select a from t2;
select a from t2;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
drop table t2;
set GLOBAL query_cache_min_res_unit=default;
show global variables like "query_cache_min_res_unit";

334 335 336 337 338 339 340 341 342
#
# Case sensitive test
#
create table t1 (a int not null);
insert into t1 values (1);
select "aaa" from t1;
select "AAA" from t1;
drop table t1;

343 344 345
#
# Test of query cache resizing
#
346
create table t1 (a int);
347 348
set GLOBAL query_cache_size=1000;
show global variables like "query_cache_size";
349 350 351 352 353 354 355 356 357 358 359 360 361 362
select * from t1;
set GLOBAL query_cache_size=1024;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=10240;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=20480;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=40960;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=51200;
363
show global variables like "query_cache_size";
364 365 366 367 368 369 370 371 372 373 374
select * from t1;
set GLOBAL query_cache_size=61440;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=81920;
show global variables like "query_cache_size";
select * from t1;
set GLOBAL query_cache_size=102400;
show global variables like "query_cache_size";
select * from t1;
drop table t1;
375 376 377 378 379 380 381 382 383 384 385 386 387 388

#
# Temporary tables
#
set GLOBAL query_cache_size=1048576;
create table t1 (i int not null);
create table t2 (i int not null);
select * from t1;
show status like "Qcache_queries_in_cache";
create temporary table t3 (i int not null);
select * from t2;
show status like "Qcache_queries_in_cache";
select * from t3;
show status like "Qcache_queries_in_cache";
389
update t1 set i=(select distinct 1 from (select * from t2) a);
390
drop table t1, t2, t3;
391 392 393 394 395 396 397 398 399 400 401 402 403 404

#
# system databse test
#
use mysql;
disable_result_log;
select * from db;
enable_result_log;
show status like "Qcache_queries_in_cache";
use test;
disable_result_log;
select * from mysql.db;
enable_result_log;
show status like "Qcache_queries_in_cache";
405 406 407 408 409 410 411 412 413 414 415 416 417

#
# simple rename test
#
create table t1(id int auto_increment primary key);
insert into t1 values (NULL), (NULL), (NULL);
select * from t1 where id=2;
alter table t1 rename to t2;
-- error 1146
select * from t1 where id=2;
drop table t2;
-- error 1146
select * from t1 where id=2;
418 419 420 421 422 423 424

#
# Load data invalidation test
#
create table t1 (word char(20) not null);
select * from t1;
show status like "Qcache_queries_in_cache";
425 426
--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
eval load data infile '$MYSQLTEST_VARDIR/std_data_ln/words.dat' into table t1;
427
show status like "Qcache_queries_in_cache";
428
select count(*) from t1;
429 430 431 432 433 434 435 436
drop table t1;

#
# INTO OUTFILE/DUMPFILE test
#
create table t1 (a int);
insert into t1 values (1),(2),(3);
show status like "Qcache_queries_in_cache";
437 438 439
select * from t1 into outfile "query_cache.out.file";
--error 1086
select * from t1 into outfile "query_cache.out.file";
440 441
select * from t1 limit 1 into dumpfile "query_cache.dump.file";
show status like "Qcache_queries_in_cache";
monty@mashka.mysql.fi's avatar
monty@mashka.mysql.fi committed
442
drop table t1;
443 444 445 446 447 448 449 450 451 452 453 454 455

#
# test of SQL_SELECT_LIMIT
#
create table t1 (a int);
insert into t1 values (1),(2);
show status like "Qcache_queries_in_cache";
select * from t1;
SET OPTION SQL_SELECT_LIMIT=1;
select * from t1;
show status like "Qcache_queries_in_cache";
SET OPTION SQL_SELECT_LIMIT=DEFAULT;
drop table t1;
456

457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503
#
# query cache crash on using same table twice in one query test
#
flush query cache;
reset query cache;
flush status;
set GLOBAL query_cache_size=1048576;

create table t1 (a int not null);
insert into t1 values (1),(2),(3);
create table t2 (a text not null);
create table t3 (a text not null);
insert into t3 values("1111111111111111111111111111111111111111111111111111");
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
drop table t2;
create table t2 (a int not null);
insert into t2 values (1),(2),(3);
create table t4 (a int not null);
insert into t4 values (1),(2),(3);

disable_result_log;
select * from t4;
select * from t2;
select * from t1 as tt, t1 as ttt  where tt.a=1 and ttt.a=2;
select * from t2;
select * from t4;
select * from t1 as tt, t1 as ttt  where tt.a=1 and ttt.a=2;
select * from t2;
select * from t4;
select * from t1 as tt, t1 as ttt  where tt.a=1 and ttt.a=2;

delete from t2 where a=1;
flush query cache;
select * from t3;
enable_result_log;
delete from t4 where a=1;
flush query cache;
drop table t1,t2,t3,t4;
monty@narttu.mysql.fi's avatar
monty@narttu.mysql.fi committed
504

505 506 507 508 509 510 511 512 513 514 515 516 517 518 519
#
# WRITE LOCK & QC
#
set query_cache_wlock_invalidate=1;
create table t1 (a int not null);
create table t2 (a int not null);
select * from t1;
select * from t2;
show status like "Qcache_queries_in_cache";
lock table t1 write, t2 read;
show status like "Qcache_queries_in_cache";
unlock table;
drop table t1,t2;
set query_cache_wlock_invalidate=default;

520 521 522 523 524 525 526 527 528 529 530
#
# hiding real table stored in query cache by temporary table
#
CREATE TABLE t1 (id INT PRIMARY KEY);
insert into t1 values (1),(2),(3);
select * from t1;
create temporary table t1 (a int not null auto_increment
primary key);
select * from t1;
drop table t1;
drop table t1;
monty@mysql.com's avatar
monty@mysql.com committed
531

532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573
#
# Test character set related variables:
#   character_set_result
#   character_set_client
#   charactet_set_connection/collation_connection
# If at least one of the above variables has changed,
# the cached query can't be reused. In the below test
# absolutely the same query is used several times,
# SELECT should fetch different results for every instance. 
# No hits should be produced.
# New cache entry should appear for every SELECT.
#
SET NAMES koi8r;
CREATE TABLE t1 (a char(1) character set koi8r);
INSERT INTO t1 VALUES (_koi8r''),(_koi8r'');
#
# Run select
#
SELECT a,'',''='' FROM t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# Change collation_connection and run the same query again
#
set collation_connection=koi8r_bin;
SELECT a,'',''='' FROM t1; 
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# Now change character_set_client and run the same query again
#
set character_set_client=cp1251;
SELECT a,'',''='' FROM t1; 
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# And finally change character_set_results and run the same query again
#
set character_set_results=cp1251;
SELECT a,'',''='' FROM t1; 
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
574
SET NAMES default;
pem@mysql.com's avatar
pem@mysql.com committed
575

576
DROP TABLE t1;
577 578 579

#
# DROP current database test
580
#
581 582 583 584 585 586 587 588
CREATE TABLE t1 (a int(1));
CREATE DATABASE mysqltest;
USE mysqltest;
DROP DATABASE mysqltest;
SELECT * FROM test.t1;
USE test;
DROP TABLE t1;

589 590 591 592 593 594
#
# charset with NULL
#
set character_set_results=null;
select @@character_set_results;
set character_set_results=default;
595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628
#
# query cache and environment variables
#
# max_sort_length
set GLOBAL query_cache_size=1355776;
create table t1 (id int auto_increment primary key, c char(25));
insert into t1 set c = repeat('x',24);
insert into t1 set c = concat(repeat('x',24),'x');
insert into t1 set c = concat(repeat('x',24),'w');
insert into t1 set c = concat(repeat('x',24),'y');
set max_sort_length=200;   
select c from t1 order by c, id;
reset query cache;
set max_sort_length=20;
select c from t1 order by c, id;
set max_sort_length=200;   
select c from t1 order by c, id;
set max_sort_length=default;
# sql_mode
select '1' || '3' from t1;
set SQL_MODE=oracle;
select '1' || '3' from t1;
set SQL_MODE=default;
drop table t1;
# group_concat_max_len
create table t1 (a varchar(20), b int);
insert into t1 values ('12345678901234567890', 1);
set group_concat_max_len=10;
select group_concat(a) FROM t1 group by b;
set group_concat_max_len=1024;
select group_concat(a) FROM t1 group by b;
set group_concat_max_len=default;
drop table t1;

629 630 631 632 633 634 635 636 637 638 639
# comments before command
#
create table t1 (a int);
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
/**/ select * from t1;
/**/ select * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
pem@mysql.com's avatar
pem@mysql.com committed
640

641 642 643 644
#
# Keep things tidy
#
DROP TABLE t1;
monty@narttu.mysql.fi's avatar
monty@narttu.mysql.fi committed
645
SET GLOBAL query_cache_size=0;
646 647 648 649 650 651 652 653 654 655 656

#
# Information schema & query cache test
#
SET SESSION query_cache_type = 2;
create table t1(a int);
select table_name from information_schema.tables
where table_schema="test";
drop table t1;
select table_name from information_schema.tables
where table_schema="test";
657
# Bug #8480: REPAIR TABLE needs to flush the table from the query cache
658
SET SESSION query_cache_type = 1;
659 660 661 662 663 664 665 666 667 668 669
set global query_cache_size=1024*1024;
flush query cache;
create table t1 ( a int );
insert into t1 values (1);
select a from t1;
select a from t1;
show status like 'qcache_queries_in_cache';
repair table t1;
show status like 'qcache_queries_in_cache';
drop table t1;

670
#
671 672
# Bug #9549: Make sure cached queries that span more than one cache block
# are handled properly in the embedded server.
673
#
674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714
# We just want a small query cache, so we can fragment it easily
set GLOBAL query_cache_size=64*1024;
# This actually gives us a usable cache size of about 48K

# Each table is about 14K
create table t1 (a text);
insert into t1 values (repeat('abcdefghijklmnopqrstuvwxyz', 550));
create table t2 (a text);
insert into t2 values (repeat('ijklmnopqrstuvwxyzabcdefgh', 550));

# Load a query from each table into the query cache
--disable_result_log
select a from t1; # Q1
select a from t2; # Q2
--enable_result_log
show status like 'Qcache_%_blocks';

# Now the cache looks like (14K for Q1)(14K for Q2)(20K free)

# Flush Q1 from the cache by adding an out-of-order chunk to t1
insert into t1 select reverse(a) from t1;
show status like 'Qcache_%_blocks';

# Now the cache looks like (14K free)(14K for Q2)(20K free)

# Load our new data into the query cache
--disable_result_log
select a from t1;  # Q3
--enable_result_log
show status like 'Qcache_%_blocks';

# Now the cache should be like (14K for Q3)(14K for Q2)(14K for Q3)(6K free)

# Note that Q3 is split across two chunks!

# Load Q3 from the cache, and actually pay attention to the results
select a from t1;

flush query cache;

drop table t1, t2;
715
set GLOBAL query_cache_size=1355776;
716

717

718 719 720 721 722 723 724 725 726 727 728
#
# Query with warning prohibited to query cache (BUG#9414)
#
flush status;
CREATE TABLE t1 (
  `date` datetime NOT NULL default '0000-00-00 00:00:00',
  KEY `date` (`date`)
) ENGINE=MyISAM;

INSERT INTO t1 VALUES ('20050326');
INSERT INTO t1 VALUES ('20050325');
729 730 731
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 invalid';
SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 invalid';
732 733 734 735 736
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
drop table t1;

737 738 739
#
# queries with subquery in the FROM clause (BUG#11522)
#
bell@sanja.is.com.ua's avatar
merge  
bell@sanja.is.com.ua committed
740 741 742 743
create table t1 (a int);
insert into t1 values (1);
reset query cache;
flush status;
744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761
select * from (select * from t1) a;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
select * from (select * from t1) a;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
insert into t1 values (2);
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
select * from (select * from t1) a;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
drop table t1;

762
#
763 764 765 766 767 768 769 770 771 772 773 774 775
# BUG#14652: Queries with leading '(' characters.
#
create table t1 (a int);
flush status;
(select a from t1) union (select a from t1);
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
(select a from t1) union (select a from t1);
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
drop table t1;
776 777 778 779 780
# SP cursors and selects with query cache (BUG#9715)
#
create table t1 (a int);
insert into t1 values (1),(2);

781 782 783
--disable_warnings
drop procedure if exists p1;
--enable_warnings
784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803
delimiter //;
CREATE PROCEDURE `p1`()
begin
Declare c1 cursor for select a from t1;
open c1;
select * from t1;
end//
call p1()//
drop procedure p1;

create function f1() returns int
begin
Declare var1 int;
select max(a) from t1 into var1;
return var1;
end//
create procedure `p1`()
begin
 select a, f1() from t1;
end//
804
SET GLOBAL log_bin_trust_function_creators = 1;
805
call p1()//
806
SET GLOBAL log_bin_trust_function_creators = 0;
807
drop procedure p1//
808
drop function f1//
809 810 811 812

drop table t1//
delimiter ;//

813 814
#
# query in QC from normal execution and SP (BUG#6897)
815
# improved to also test BUG#3583 and BUG#12990
816 817 818 819 820 821 822 823 824
#
flush query cache;
reset query cache;
flush status;
delimiter //;
create table t1 (s1 int)//
create procedure f1 () begin
select sql_cache * from t1;
select sql_cache * from t1;
825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840
select sql_cache * from t1;
end;//
create procedure f2 () begin
select sql_cache * from t1 where s1=1;
select sql_cache * from t1;
end;//
create procedure f3 () begin
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
end;//
create procedure f4 () begin
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
select sql_cache * from t1 where s1=1;
841 842 843 844 845 846 847 848 849 850 851
end;//
delimiter ;//
call f1();
call f1();
call f1();
select sql_cache * from t1;
insert into t1 values (1);
select sql_cache * from t1;
call f1();
call f1();
select sql_cache * from t1;
852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873
flush query cache;
reset query cache;
flush status;
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
call f1();
call f2();
call f3();
call f4();
call f4();
call f3();
call f2();
select sql_cache * from t1 where s1=1;
insert into t1 values (2);
call f1();
select sql_cache * from t1 where s1=1;
select sql_cache * from t1;
call f1();
call f3();
call f3();
call f1();

874
drop procedure f1;
875 876 877
drop procedure f2;
drop procedure f3;
drop procedure f4;
878
drop table t1;
879
set GLOBAL query_cache_size=0;
880

881
--echo End of 4.1 tests
882 883 884 885 886 887 888 889 890 891 892 893 894

#
# Bug #10303: problem with last_query_cost
#

SET GLOBAL query_cache_size=102400;
create table t1(a int);
insert into t1 values(0), (1), (4), (5);
select * from t1 where a > 3;
select * from t1 where a > 3;
show status like 'last_query_cost';
drop table t1;
SET GLOBAL query_cache_size=0;
895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922

#
# Bug #20045: Server crash on INSERT ... SELECT ... FROM non-mergeable view
#
set global query_cache_size=1024*1024;
flush status;
create table t1 (a int);
insert into t1 (a) values (1), (2), (3);
select * from t1;
show status like 'Qcache_hits';
select * from t1;
show status like 'Qcache_hits';
create table t2 like t1;
select * from t1;
show status like 'Qcache_hits';
insert into t2 select * from t1;
select * from t1;
show status like 'Qcache_hits';
drop table t1, t2;

create table t1(c1 int);
create table t2(c1 int);
create table t3(c1 int);
create view v1 as select t3.c1 as c1 from t3,t2 where t3.c1 = t2.c1;
start transaction;
insert into t1(c1) select c1 from v1;
drop table t1, t2, t3;
drop view v1;
923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942


#
# If running with --ps-protocol:
# see if a query from the text protocol is served with results cached
# from a query which used the binary (which would be wrong, results
# are in different formats); if that happens, the results will
# be incorrect and the test will fail.
#

create table t1(c1 int);
insert into t1 values(1),(10),(100);
select * from t1;
-- disable_ps_protocol
select * from t1;
select * from t1;
-- enable_ps_protocol
select * from t1;
drop table t1;

943
set global query_cache_size=0;
944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000

#
# Query cache and changes to system variables
#

create table t1 (a int);
insert into t1 values (1),(2),(3);
set GLOBAL query_cache_type=1;
set GLOBAL query_cache_limit=10000;
set GLOBAL query_cache_min_res_unit=0;
set GLOBAL query_cache_size= 100000;

# default_week_format
reset query cache;
set LOCAL default_week_format = 0;
select week('2007-01-04');
select week('2007-01-04') from t1;
select extract(WEEK FROM '2007-01-04') from t1;

set LOCAL default_week_format = 2;
select week('2007-01-04');
select week('2007-01-04') from t1;
select extract(WEEK FROM '2007-01-04') from t1;

# div_precision_increment
reset query cache;
set LOCAL div_precision_increment=2;
select 1/7;
select 1/7 from t1;

set LOCAL div_precision_increment=4;
select 1/7;
select 1/7 from t1;

drop table t1;

CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b));
INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
                       ('Full-text indexes', 'are called collections'),
                          ('Only MyISAM tables','support collections'),
             ('Function MATCH ... AGAINST()','is used to do a search'),
        ('Full-text search in MySQL', 'implements vector space model');


set GLOBAL ft_boolean_syntax='+ -><()~*:""&|';

select *, MATCH(a,b) AGAINST("+called +collections" IN BOOLEAN MODE) as x from t1;

# swap +/-
set GLOBAL ft_boolean_syntax='- +><()~*:""&|';

select *, MATCH(a,b) AGAINST("+called +collections" IN BOOLEAN MODE) as x from t1;

# If in the future we need to cache queries with functions
# be sure not to cause dead lock if the query cache is flushed
# while inserting a query in the query cache.
delimiter |;
1001
create function change_global() returns integer deterministic
1002 1003 1004 1005 1006 1007 1008 1009
begin
  set global ft_boolean_syntax='+ -><()~*:""&|';
  return 1;
end|
delimiter ;|
select *, change_global() from t1;
drop function change_global;

1010 1011
drop table t1;

1012 1013 1014 1015 1016
set GLOBAL query_cache_type=default;
set GLOBAL query_cache_limit=default;
set GLOBAL query_cache_min_res_unit=default;
set GLOBAL query_cache_size= default;

1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038

#
# Bug #28897  	UUID() returns non-unique values when query cache is enabled
#

set GLOBAL query_cache_size=1000000;

create table t1 (a char);
insert into t1 values ('c');

let $q1= `select UUID(), a from t1`;
let $q2= `select UUID(), a from t1`; 

# disabling the logging of the query because the UUIDs are different each run.
--disable_query_log
eval select a  from t1 where "$q1" = "$q2";
--enable_query_log

drop table t1;

set GLOBAL query_cache_size= default;

1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059
#
# Bug #29053 SQL_CACHE in UNION causes non-deterministic functions to be cached
#

set GLOBAL query_cache_size=1000000;

create table t1 (a char);
insert into t1 values ('c');

let $q1= `select RAND() from t1 union select sql_cache 1 from t1;`;
let $q2= `select RAND() from t1 union select sql_cache 1 from t1;`; 

# disabling the logging of the query because the times are different each run.
--disable_query_log
eval select a  from t1 where "$q1" = "$q2";
--enable_query_log

drop table t1;

set GLOBAL query_cache_size= default;

1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183
#
# Bug#29856: Insufficient buffer space led to a server crash.
#
SET GLOBAL query_cache_size=64*1024*1024;
CREATE TABLE t1 (id INT);
DELIMITER |;
CREATE PROCEDURE proc29856(IN theUPC TEXT)
BEGIN
  SET @stmtStr := '';
  SELECT CONCAT("SELECT id FROM t1 WHERE id IN (",theUPC,")") INTO @stmtStr;
  PREPARE stmt FROM @stmtStr;
  EXECUTE stmt;
END |
DELIMITER ;|
CALL proc29856('1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,
25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,
51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,
77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,
102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,
121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,
140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,
159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,
178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,
197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,
216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,
235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,
254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,
273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,
292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,
311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,
330,331,332,333,334,335,336,337,338,339,340,341,342,343,344,345,346,347,348,
349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,
368,369,370,371,372,373,374,375,376,377,378,379,380,381,382,383,384,385,386,
387,388,389,390,391,392,393,394,395,396,397,398,399,400,401,402,403,404,405,
406,407,408,409,410,411,412,413,414,415,416,417,418,419,420,421,422,423,424,
425,426,427,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442,443,
444,445,446,447,448,449,450,451,452,453,454,455,456,457,458,459,460,461,462,
463,464,465,466,467,468,469,470,471,472,473,474,475,476,477,478,479,480,481,
482,483,484,485,486,487,488,489,490,491,492,493,494,495,496,497,498,499,500,
501,502,503,504,505,506,507,508,509,510,511,512,513,514,515,516,517,518,519,
520,521,522,523,524,525,526,527,528,529,530,531,532,533,534,535,536,537,538,
539,540,541,542,543,544,545,546,547,548,549,550,551,552,553,554,555,556,557,
558,559,560,561,562,563,564,565,566,567,568,569,570,571,572,573,574,575,576,
577,578,579,580,581,582,583,584,585,586,587,588,589,590,591,592,593,594,595,
596,597,598,599,600,601,602,603,604,605,606,607,608,609,610,611,612,613,614,
615,616,617,618,619,620,621,622,623,624,625,626,627,628,629,630,631,632,633,
634,635,636,637,638,639,640,641,642,643,644,645,646,647,648,649,650,651,652,
653,654,655,656,657,658,659,660,661,662,663,664,665,666,667,668,669,670,671,
672,673,674,675,676,677,678,679,680,681,682,683,684,685,686,687,688,689,690,
691,692,693,694,695,696,697,698,699,700,701,702,703,704,705,706,707,708,709,
710,711,712,713,714,715,716,717,718,719,720,721,722,723,724,725,726,727,728,
729,730,731,732,733,734,735,736,737,738,739,740,741,742,743,744,745,746,747,
748,749,750,751,752,753,754,755,756,757,758,759,760,761,762,763,764,765,766,
767,768,769,770,771,772,773,774,775,776,777,778,779,780,781,782,783,784,785,
786,787,788,789,790,791,792,793,794,795,796,797,798,799,800,801,802,803,804,
805,806,807,808,809,810,811,812,813,814,815,816,817,818,819,820,821,822,823,
824,825,826,827,828,829,830,831,832,833,834,835,836,837,838,839,840,841,842,
843,844,845,846,847,848,849,850,851,852,853,854,855,856,857,858,859,860,861,
862,863,864,865,866,867,868,869,870,871,872,873,874,875,876,877,878,879,880,
881,882,883,884,885,886,887,888,889,890,891,892,893,894,895,896,897,898,899,
900,901,902,903,904,905,906,907,908,909,910,911,912,913,914,915,916,917,918,
919,920,921,922,923,924,925,926,927,928,929,930,931,932,933,934,935,936,937,
938,939,940,941,942,943,944,945,946,947,948,949,950,951,952,953,954,955,956,
957,958,959,960,961,962,963,964,965,966,967,968,969,970,971,972,973,974,975,
976,977,978,979,980,981,982,983,984,985,986,987,988,989,990,991,992,993,994,
995,996,997,998,999,1000,1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,
1011,1012,1013,1014,1015,1016,1017,1018,1019,1020,1021,1022,1023,1024,1025,
1026,1027,1028,1029,1030,1031,1032,1033,1034,1035,1036,1037,1038,1039,1040,
1041,1042,1043,1044,1045,1046,1047,1048,1049,1050,1051,1052,1053,1054,1055,
1056,1057,1058,1059,1060,1061,1062,1063,1064,1065,1066,1067,1068,1069,1070,
1071,1072,1073,1074,1075,1076,1077,1078,1079,1080,1081,1082,1083,1084,1085,
1086,1087,1088,1089,1090,1091,1092,1093,1094,1095,1096,1097,1098,1099,1100,
1101,1102,1103,1104,1105,1106,1107,1108,1109,1110,1111,1112,1113,1114,1115,
1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126,1127,1128,1129,1130,
1131,1132,1133,1134,1135,1136,1137,1138,1139,1140,1141,1142,1143,1144,1145,
1146,1147,1148,1149,1150,1151,1152,1153,1154,1155,1156,1157,1158,1159,1160,
1161,1162,1163,1164,1165,1166,1167,1168,1169,1170,1171,1172,1173,1174,1175,
1176,1177,1178,1179,1180,1181,1182,1183,1184,1185,1186,1187,1188,1189,1190,
1191,1192,1193,1194,1195,1196,1197,1198,1199,1200,1201,1202,1203,1204,1205,
1206,1207,1208,1209,1210,1211,1212,1213,1214,1215,1216,1217,1218,1219,1220,
1221,1222,1223,1224,1225,1226,1227,1228,1229,1230,1231,1232,1233,1234,1235,
1236,1237,1238,1239,1240,1241,1242,1243,1244,1245,1246,1247,1248,1249,1250,
1251,1252,1253,1254,1255,1256,1257,1258,1259,1260,1261,1262,1263,1264,1265,
1266,1267,1268,1269,1270,1271,1272,1273,1274,1275,1276,1277,1278,1279,1280,
1281,1282,1283,1284,1285,1286,1287,1288,1289,1290,1291,1292,1293,1294,1295,
1296,1297,1298,1299,1300,1301,1302,1303,1304,1305,1306,1307,1308,1309,1310,
1311,1312,1313,1314,1315,1316,1317,1318,1319,1320,1321,1322,1323,1324,1325,
1326,1327,1328,1329,1330,1331,1332,1333,1334,1335,1336,1337,1338,1339,1340,
1341,1342,1343,1344,1345,1346,1347,1348,1349,1350,1351,1352,1353,1354,1355,
1356,1357,1358,1359,1360,1361,1362,1363,1364,1365,1366,1367,1368,1369,1370,
1371,1372,1373,1374,1375,1376,1377,1378,1379,1380,1381,1382,1383,1384,1385,
1386,1387,1388,1389,1390,1391,1392,1393,1394,1395,1396,1397,1398,1399,1400,
1401,1402,1403,1404,1405,1406,1407,1408,1409,1410,1411,1412,1413,1414,1415,
1416,1417,1418,1419,1420,1421,1422,1423,1424,1425,1426,1427,1428,1429,1430,
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,
1506,1507,1508,1509,1510,1511,1512,1513,1514,1515,1516,1517,1518,1519,1520,
1521,1522,1523,1524,1525,1526,1527,1528,1529,1530,1531,1532,1533,1534,1535,
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,
1581,1582,1583,1584,1585,1586,1587,1588,1589,1590,1591,1592,1593,1594,1595,
1596,1597,1598,1599,1600,1601,1602,1603,1604,1605,1606,1607,1608,1609,1610,
1611,1612,1613,1614,1615,1616,1617,1618,1619,1620,1621,1622,1623,1624,1625,
1626,1627,1628,1629,1630,1631,1632,1633,1634,1635,1636,1637,1638,1639,1640,
1641,1642,1643,1644,1645,1646,1647,1648,1649,1650,1651,1652,1653,1654,1655,
1656,1657,1658,1659,1660,1661,1662,1663,1664,1665,1666,1667,1668,1669,1670,
1671,1672,1673,1674,1675,1676,1677,1678,1679,1680,1681,1682,1683,1684,1685,
1686,1687,1688,1689,1690,1691,1692,1693,1694,1695,1696,1697,1698,1699,1700,
1701,1702,1703,1704,1705,1706,1707,1708,1709,1710,1711,1712,1713,1714,1715,
1716,1717,1718,1719,1720,1721,1722,1723,1724,1725,1726,1727,1728,1729,1730,
1731,1732,1733,1734,1735,1736,1737,1738,1739,1740,1741,1742,1743,1744,1745,
1746,1747,1748,1749,1750,1751,1752,1753,1754,1755,1756,1757,1758,1759,1760,
1761,1762,1763,1764,1765,1766,1767,1768,1769,1770,1771,1772,1773,1774,1775,
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');
DROP PROCEDURE proc29856;
DROP TABLE t1;
SET GLOBAL query_cache_size= default;

1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251
#
# Bug #28249 Query Cache returns wrong result with concurrent insert / certain lock
#
--echo Bug#28249 Query Cache returns wrong result with concurrent insert/ certain lock
connect (user1,localhost,root,,test,,);
connect (user2,localhost,root,,test,,);
connect (user3,localhost,root,,test,,);

connection user1;

set GLOBAL query_cache_type=1;
set GLOBAL query_cache_limit=10000;
set GLOBAL query_cache_min_res_unit=0;
set GLOBAL query_cache_size= 100000;

flush tables;
--disable_warnings
drop table if exists t1, t2;
--enable_warnings
create table t1 (a int);
create table t2 (a int);
insert into t1 values (1),(2),(3);
connection user2;
--echo Locking table T2 with a write lock.
lock table t2 write;

connection user1;
--echo Select blocked by write lock.
--send select *, (select count(*) from t2) from t1;
--echo Sleeing is ok, because selecting should be done very fast.
sleep 5;

connection user3;
--echo Inserting into table T1.
insert into t1 values (4);

connection user2;
--echo Unlocking the tables.
unlock tables;

connection user1;
--echo Collecting result from previously blocked select.
# 
# Since the lock ordering rule in thr_multi_lock depends on
# pointer values, from execution to execution we might have
# different lock order, and therefore, sometimes lock t1 and block
# on t2, and sometimes block on t2 right away. In the second case,
# the following insert succeeds, and only then this select can
# proceed, and we actually test nothing, as the very first select
# returns 4 rows right away.
# It's fine to have a test case that covers the problematic area
# at least once in a while.
# We, however, need to disable the result log here to make the
# test repeatable.
--disable_result_log
--reap
--enable_result_log
--echo Next select should contain 4 rows, as the insert is long finished.
select *, (select count(*) from t2) from t1;
reset query cache;
select *, (select count(*) from t2) from t1;

drop table t1,t2;

connection default;
disconnect user1;
disconnect user2;
disconnect user3;
1252

1253 1254
#
# Bug #28211 RENAME DATABASE and query cache don't play nicely together
1255
#
1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294
# TODO: enable these tests when RENAME DATABASE is implemented.
# --disable_warnings
# drop database if exists db1;
# drop database if exists db2;
# --enable_warnings
# set GLOBAL query_cache_size=15*1024*1024;
# create database db1;
# use db1;
# create table t1(c1 int)engine=myisam;
# insert into t1(c1) values (1);
# select * from db1.t1 f;
# show status like 'Qcache_queries_in_cache';
# rename schema db1 to db2;
# show status like 'Qcache_queries_in_cache';
# drop database db2;
# set global query_cache_size=default;
# 
# --disable_warnings
# drop database if exists db1;
# drop database if exists db3;
# --enable_warnings
# set GLOBAL query_cache_size=15*1024*1024;
# create database db1;
# create database db3;
# use db1;
# create table t1(c1 int) engine=myisam;
# use db3;
# create table t1(c1 int) engine=myisam;
# use db1;
# insert into t1(c1) values (1);
# use mysql;
# select * from db1.t1;
# select c1+1 from db1.t1;
# select * from db3.t1;
# show status like 'Qcache_queries_in_cache';
# rename schema db1 to db2;
# show status like 'Qcache_queries_in_cache';
# drop database db2;
# drop database db3;
1295 1296 1297 1298 1299 1300

set GLOBAL query_cache_type=default;
set GLOBAL query_cache_limit=default;
set GLOBAL query_cache_min_res_unit=default;
set GLOBAL query_cache_size=default;

1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318
#
# Bug#33756 - query cache with concurrent_insert=0 appears broken
#
FLUSH STATUS;
SET GLOBAL query_cache_size=10*1024*1024;
SET @save_concurrent_insert= @@concurrent_insert;
SET GLOBAL concurrent_insert= 0;
CREATE TABLE t1 (c1 INT NOT NULL) ENGINE=MyISAM;
INSERT INTO t1 (c1) VALUES (1), (2);
#
SHOW GLOBAL VARIABLES LIKE 'concurrent_insert';
SHOW STATUS LIKE 'Qcache_hits';
SELECT * FROM t1;
SELECT * FROM t1;
SHOW STATUS LIKE 'Qcache_hits';
DROP TABLE t1;
SET GLOBAL concurrent_insert= @save_concurrent_insert;
SET GLOBAL query_cache_size= default;
1319

1320 1321
--echo End of 5.0 tests

1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333
#
# Bug #31157: Crash when select+order by the avg of some field within the
# group by
#

CREATE TABLE t1 (a ENUM('rainbow'));
INSERT INTO t1 VALUES (),(),(),(),();
SELECT 1 FROM t1 GROUP BY (SELECT 1 FROM t1 ORDER BY AVG(LAST_INSERT_ID()));
DROP TABLE t1;
CREATE TABLE t1 (a LONGBLOB);
INSERT INTO t1 SET a = 'aaaa';
INSERT INTO t1 SET a = 'aaaa';
1334
SELECT 1 FROM t1 GROUP BY
1335 1336 1337
  (SELECT LAST_INSERT_ID() FROM t1 ORDER BY MIN(a) ASC LIMIT 1);
DROP TABLE t1;

1338
--echo End of 5.1 tests
1339