/usr/lib/mysql-testsuite/r/flush.result is in mysql-testsuite-5.6 5.6.16-1~exp1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | drop table if exists t1,t2;
drop database if exists mysqltest;
create temporary table t1(n int not null primary key);
create table t2(n int);
insert into t2 values(3);
select * from t1;
n
3
flush tables with read lock;
drop table t2;
ERROR HY000: Can't execute the query because you have a conflicting read lock
drop table t2;
unlock tables;
create database mysqltest;
create table mysqltest.t1(n int);
insert into mysqltest.t1 values (23);
flush tables with read lock;
drop database mysqltest;
select * from mysqltest.t1;
n
23
unlock tables;
create table t1 (n int);
flush tables with read lock;
insert into t1 values (345);
select * from t1;
n
345
drop table t1;
create table t1 (c1 int);
lock table t1 write;
flush tables with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
lock table t1 read;
flush tables with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
unlock tables;
flush tables with read lock;
lock table t1 write;
ERROR HY000: Can't execute the query because you have a conflicting read lock
lock table t1 read;
lock table t1 write;
ERROR HY000: Can't execute the query because you have a conflicting read lock
unlock tables;
create table t2 (c1 int);
create table t3 (c1 int);
lock table t1 read, t2 read, t3 write;
flush tables with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
lock table t1 read, t2 read, t3 read;
flush tables with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
unlock tables;
drop table t1, t2, t3;
create table t1 (c1 int);
create table t2 (c1 int);
lock table t1 write;
flush tables with read lock;
insert into t2 values(1);
unlock tables;
drop table t1, t2;
drop table if exists t1, t2;
set session low_priority_updates=1;
create table t1 (a int);
create table t2 (b int);
lock tables t1 write;
flush tables with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
unlock tables;
lock tables t1 read, t2 write;
flush tables with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
unlock tables;
lock tables t1 read;
flush tables with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
unlock tables;
drop table t1, t2;
set session low_priority_updates=default;
select benchmark(200, (select sin(1))) > 1000;
End of 5.0 tests
set @old_general_log= @@general_log;
set @old_read_only= @@read_only;
set global general_log= on;
flush tables with read lock;
flush logs;
unlock tables;
set global read_only=1;
flush logs;
unlock tables;
flush tables with read lock;
flush logs;
unlock tables;
set global general_log= @old_general_log;
set global read_only= @old_read_only;
End of 5.1 tests
#
# Additional test for bug #51136 "Crash in pthread_rwlock_rdlock
# on TEMPORARY + HANDLER + LOCK + SP".
# Also see the main test for this bug in include/handler.inc.
#
drop tables if exists t1, t2;
create table t1 (i int);
create temporary table t2 (j int);
flush tables with read lock;
lock table t2 read;
# This commit should not release any MDL locks.
commit;
# The below statement crashed before the bug fix as it
# has attempted to release global shared metadata lock
# which was already released by commit.
unlock tables;
drop tables t1, t2;
#
# Tests for WL#5000 FLUSH TABLES|TABLE table_list WITH READ LOCK
#
# I. Check the incompatible changes in the grammar.
#
flush tables with read lock, hosts;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' hosts' at line 1
flush privileges, tables;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'tables' at line 1
flush privileges, tables with read lock;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'tables with read lock' at line 1
flush privileges, tables;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'tables' at line 1
flush tables with read lock, tables;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' tables' at line 1
show tables;
Tables_in_test
#
# II. Check the allowed syntax.
#
drop table if exists t1, t2, t3;
create table t1 (a int);
create table t2 (a int);
create table t3 (a int);
lock table t1 read, t2 read;
flush tables with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
unlock tables;
flush tables with read lock;
flush tables t1, t2 with read lock;
flush tables t1, t2 with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
flush tables with read lock;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
select * from t1;
a
select * from t2;
a
select * from t3;
ERROR HY000: Table 't3' was not locked with LOCK TABLES
insert into t1 (a) values (1);
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
insert into t2 (a) values (1);
ERROR HY000: Table 't2' was locked with a READ lock and can't be updated
insert into t3 (a) values (1);
ERROR HY000: Table 't3' was not locked with LOCK TABLES
lock table no_such_table read;
ERROR 42S02: Table 'test.no_such_table' doesn't exist
#
# We implicitly left the locked tables
# mode but still have the read lock.
#
insert into t2 (a) values (1);
ERROR HY000: Can't execute the query because you have a conflicting read lock
unlock tables;
insert into t1 (a) values (1);
insert into t2 (a) values (1);
flush table t1, t2 with read lock;
select * from t1;
a
1
select * from t2;
a
1
select * from t3;
ERROR HY000: Table 't3' was not locked with LOCK TABLES
insert into t1 (a) values (2);
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
insert into t2 (a) values (2);
ERROR HY000: Table 't2' was locked with a READ lock and can't be updated
insert into t3 (a) values (2);
ERROR HY000: Table 't3' was not locked with LOCK TABLES
lock table no_such_table read;
ERROR 42S02: Table 'test.no_such_table' doesn't exist
insert into t3 (a) values (2);
#
# III. Concurrent tests.
#
# --> connection default
#
# Check that flush tables <list> with read lock
# does not affect non-locked tables.
#
flush tables t1 with read lock;
# --> connection con1;
select * from t1;
a
1
select * from t2;
a
1
insert into t2 (a) values (3);
# --> connection default;
unlock tables;
#
# Check that "FLUSH TABLES <list> WITH READ LOCK" is
# compatible with active "FLUSH TABLES WITH READ LOCK".
# Vice versa it is not true, since tables read-locked by
# "FLUSH TABLES <list> WITH READ LOCK" can't be flushed.
flush tables with read lock;
# --> connection con1;
flush table t1 with read lock;
select * from t1;
a
1
unlock tables;
# --> connection default;
unlock tables;
#
# Check that FLUSH TABLES t1 WITH READ LOCK
# does not conflict with an existing FLUSH TABLES t2
# WITH READ LOCK.
#
flush table t1 with read lock;
# --> connection con1
flush table t2 with read lock;
unlock tables;
# --> connection default
unlock tables;
#
# Check that FLUSH TABLES t1 WITH READ LOCK
# does not conflict with SET GLOBAL read_only=1.
#
set global read_only=1;
# connection con1
flush table t1 with read lock;
unlock tables;
# connection default
set global read_only=0;
#
# Check that it's possible to read-lock
# tables locked with FLUSH TABLE <list> WITH READ LOCK.
#
flush tables t1, t2 with read lock;
# connection con1
lock table t1 read, t2 read;
unlock tables;
# connection default
unlock tables;
# --> connection con1
drop table t1, t2, t3;
#
# Bug#51710 FLUSH TABLES <view> WITH READ LOCK kills the server
#
drop view if exists v1, v2, v3;
drop table if exists t1, v1;
create table t1 (a int);
create view v1 as select 1;
create view v2 as select * from t1;
create view v3 as select * from v2;
flush table v1, v2, v3 with read lock;
ERROR HY000: 'test.v1' is not BASE TABLE
flush table v1 with read lock;
ERROR HY000: 'test.v1' is not BASE TABLE
flush table v2 with read lock;
ERROR HY000: 'test.v2' is not BASE TABLE
flush table v3 with read lock;
ERROR HY000: 'test.v3' is not BASE TABLE
create temporary table v1 (a int);
flush table v1 with read lock;
ERROR HY000: 'test.v1' is not BASE TABLE
drop view v1;
create table v1 (a int);
flush table v1 with read lock;
drop temporary table v1;
unlock tables;
drop view v2, v3;
drop table t1, v1;
#
# FLUSH TABLES <list> WITH READ LOCK and HANDLER
#
drop table if exists t1;
create table t1 (a int, key a (a));
insert into t1 (a) values (1), (2), (3);
handler t1 open;
handler t1 read a next;
a
1
handler t1 read a next;
a
2
flush tables t1 with read lock;
handler t1 read a next;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
unlock tables;
#
# Sic: lost handler position.
#
handler t1 read a next;
a
1
handler t1 close;
drop table t1;
#
# Bug#52117 Pending FLUSH TALBES <list> aborts
# transactions unnecessarily.
#
drop table if exists t1;
# --> conection default
create table t1 (a int);
begin;
select * from t1;
a
# --> connection con1
#
# Issue a LOCK TABLE t1 READ. We could use HANDLER t1 OPEN
# or a long-running select -- anything that
# prevents FLUSH TABLE t1 from immediate completion would do.
#
lock table t1 read;
# --> connection con2
#
# FLUSH TABLE expels the table definition from the cache.
# Sending 'flush table t1'...
flush table t1;
# --> connection default
# Let flush table sync in.
select * from t1;
# --> connection con1
select * from t1;
a
unlock tables;
# --> connection con2
# Reaping 'flush table t1'...
# --> connection default
# Reaping 'select * from t1'...
a
commit;
#
# Repeat the same test but with FLUSH TABLES
#
begin;
select * from t1;
a
# --> connection con1
#
# Issue a LOCK TABLE t1 READ.
#
lock table t1 read;
# --> connection con2
#
# FLUSH TABLES expels the table definition from the cache.
# Sending 'flush tables'...
flush tables;
# --> connection default
# Let flush table sync in.
select * from t1;
# --> connection con1
select * from t1;
a
unlock tables;
# --> connection con2
# Reaping 'flush tables'...
# --> connection default
# Reaping 'select * from t1'...
a
commit;
# Cleanup
# --> connection con1
# --> connection con2
# --> connection default
drop table t1;
#
# Test for bug #55273 "FLUSH TABLE tm WITH READ LOCK for Merge table
# causes assert failure".
#
drop table if exists t1, t2, tm;
create table t1 (i int);
create table t2 (i int);
create table tm (i int) engine=merge union=(t1, t2);
insert into t1 values (1), (2);
insert into t2 values (3), (4);
# The below statement should succeed and lock merge
# table for read. Only merge table gets flushed and
# not underlying tables.
flush tables tm with read lock;
select * from tm;
i
1
2
3
4
# Check that underlying tables are locked.
select * from t1;
i
1
2
select * from t2;
i
3
4
unlock tables;
# This statement should succeed as well and flush
# all tables in the list.
flush tables tm, t1, t2 with read lock;
select * from tm;
i
1
2
3
4
# Naturally, underlying tables should be locked in this case too.
select * from t1;
i
1
2
select * from t2;
i
3
4
unlock tables;
drop tables tm, t1, t2;
#
# Test for bug #57006 "Deadlock between HANDLER and
# FLUSH TABLES WITH READ LOCK".
#
drop table if exists t1, t2;
create table t1 (i int);
create table t2 (i int);
handler t1 open;
# Switching to connection 'con1'.
# Sending:
flush tables with read lock;
# Switching to connection 'con2'.
# Wait until FTWRL starts waiting for 't1' to be closed.
# Switching to connection 'default'.
# The below statement should not cause deadlock.
# Sending:
insert into t2 values (1);
# Switching to connection 'con2'.
# Wait until INSERT starts to wait for FTWRL to go away.
# Switching to connection 'con1'.
# FTWRL should be able to continue now.
# Reap FTWRL.
unlock tables;
# Switching to connection 'default'.
# Reap INSERT.
handler t1 close;
# Cleanup.
drop tables t1, t2;
#
# Bug#57649 FLUSH TABLES under FLUSH TABLES <list> WITH READ LOCK leads
# to assert failure.
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a INT);
FLUSH TABLES t1 WITH READ LOCK;
FLUSH TABLES;
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW SET @a= 1;
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
ALTER TABLE t1 COMMENT 'test';
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
UNLOCK TABLES;
DROP TABLE t1;
#
# Test for bug #12641342 - "61401: UPDATE PERFORMANCE DEGRADES
# GRADUALLY IF A TRIGGER EXISTS".
#
# One of side-effects of this bug was that a transaction which
# involved DML statements requiring prelocking blocked concurrent
# FLUSH TABLES WITH READ LOCK for the whole its duration, while
# correct behavior in this case is to block FTWRL only for duration
# of individual DML statements.
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (id INT PRIMARY KEY, value INT);
INSERT INTO t1 VALUES (1, 1);
CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW SET @var = "a";
BEGIN;
UPDATE t1 SET value= value + 1 WHERE id = 1;
# Switching to connection 'con1'.
# The below FLUSH TABLES WITH READ LOCK should succeed and
# should not be blocked by the transaction in default connection.
FLUSH TABLES WITH READ LOCK;
UNLOCK TABLES;
# Switching to connection 'default'.
COMMIT;
DROP TABLE t1;
|