connect (con1,localhost,root,,); connect (con2,localhost,root,,); connection con1; --disable_warnings drop table if exists t1,t2; drop database if exists mysqltest; --enable_warnings create temporary table t1(n int not null primary key); create table t2(n int); insert into t2 values(3); let $1=100; disable_query_log; while ($1) { connection con1; send replace into t1 select n from t2; connection con2; send flush tables; connection con1; reap; connection con2; reap; dec $1; } enable_query_log; connection con1; select * from t1; connection con2; flush tables with read lock; --error 1223 drop table t2; connection con1; send drop table t2; connection con2; unlock tables; connection con1; reap; #test if drop database will wait until we release the global read lock connection con1; create database mysqltest; create table mysqltest.t1(n int); insert into mysqltest.t1 values (23); flush tables with read lock; connection con2; send drop database mysqltest; connection con1; select * from mysqltest.t1; unlock tables; connection con2; reap; # test if dirty close releases global read lock connection con1; create table t1 (n int); flush tables with read lock; dirty_close con1; connection con2; insert into t1 values (345); select * from t1; drop table t1; # # Bug#9459 - deadlock with flush with lock, and lock table write # create table t1 (c1 int); lock table t1 write; # Cannot get the global read lock with write locked tables. --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables with read lock; lock table t1 read; # Cannot get the global read lock with read locked tables. --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables with read lock; unlock tables; flush tables with read lock; --error 1223 lock table t1 write; lock table t1 read; --error 1223 lock table t1 write; # Release all table locks and the global read lock. unlock tables; create table t2 (c1 int); create table t3 (c1 int); lock table t1 read, t2 read, t3 write; # Cannot get the global read lock with write locked tables. --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables with read lock; lock table t1 read, t2 read, t3 read; # Cannot get the global read lock with read locked tables. --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables with read lock; unlock tables; drop table t1, t2, t3; # End of 4.1 tests # # Test of deadlock problem when doing FLUSH TABLE with read lock # (Bug was in NTPL threads in Linux when using different mutex while # waiting for a condtion variable) create table t1 (c1 int); create table t2 (c1 int); connect (con1,localhost,root,,); connect (con3,localhost,root,,); connection con1; lock table t1 write; connection con2; send flush tables with read lock; --sleep 1 connection con3; send insert into t2 values(1); --sleep 1 connection con1; unlock tables; disconnect con1; connection con2; reap; disconnect con2; connection con3; # It hangs here (insert into t2 does not end). reap; disconnect con3; connection default; drop table t1, t2; # # Bug#32528 Global read lock with a low priority write lock causes a server crash # --disable_warnings drop table if exists t1, t2; --enable_warnings set session low_priority_updates=1; create table t1 (a int); create table t2 (b int); lock tables t1 write; --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables with read lock; unlock tables; lock tables t1 read, t2 write; --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables with read lock; unlock tables; lock tables t1 read; --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables with read lock; unlock tables; drop table t1, t2; set session low_priority_updates=default; # # Bug #33334 mysqltest_embedded crashes when disconnecting before reap # connect (con1,localhost,root,,); send select benchmark(200, (select sin(1))) > 1000; disconnect con1; --source include/wait_until_disconnected.inc connection default; --echo End of 5.0 tests # # Bug #26380: LOCK TABLES + FLUSH LOGS causes deadlock # 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; --echo End of 5.1 tests --echo # --echo # Additional test for bug #51136 "Crash in pthread_rwlock_rdlock --echo # on TEMPORARY + HANDLER + LOCK + SP". --echo # Also see the main test for this bug in include/handler.inc. --echo # --disable_warnings drop tables if exists t1, t2; --enable_warnings create table t1 (i int); create temporary table t2 (j int); flush tables with read lock; lock table t2 read; --echo # This commit should not release any MDL locks. commit; --echo # The below statement crashed before the bug fix as it --echo # has attempted to release global shared metadata lock --echo # which was already released by commit. unlock tables; drop tables t1, t2; --echo # --echo # Tests for WL#5000 FLUSH TABLES|TABLE table_list WITH READ LOCK --echo # --echo # I. Check the incompatible changes in the grammar. --echo # --error ER_PARSE_ERROR flush tables with read lock, hosts; --error ER_PARSE_ERROR flush privileges, tables; --error ER_PARSE_ERROR flush privileges, tables with read lock; --error ER_PARSE_ERROR flush privileges, tables; --error ER_PARSE_ERROR flush tables with read lock, tables; show tables; --echo # --echo # II. Check the allowed syntax. --echo # --disable_warnings drop table if exists t1, t2, t3; --enable_warnings create table t1 (a int); create table t2 (a int); create table t3 (a int); lock table t1 read, t2 read; --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables with read lock; unlock tables; flush tables with read lock; flush tables t1, t2 with read lock; --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables t1, t2 with read lock; --error ER_LOCK_OR_ACTIVE_TRANSACTION flush tables with read lock; select * from t1; select * from t2; --error ER_TABLE_NOT_LOCKED select * from t3; --error ER_TABLE_NOT_LOCKED_FOR_WRITE insert into t1 (a) values (1); --error ER_TABLE_NOT_LOCKED_FOR_WRITE insert into t2 (a) values (1); --error ER_TABLE_NOT_LOCKED insert into t3 (a) values (1); --error ER_NO_SUCH_TABLE lock table no_such_table read; --echo # --echo # We implicitly left the locked tables --echo # mode but still have the read lock. --echo # --error ER_CANT_UPDATE_WITH_READLOCK insert into t2 (a) values (1); unlock tables; insert into t1 (a) values (1); insert into t2 (a) values (1); flush table t1, t2 with read lock; select * from t1; select * from t2; --error ER_TABLE_NOT_LOCKED select * from t3; --error ER_TABLE_NOT_LOCKED_FOR_WRITE insert into t1 (a) values (2); --error ER_TABLE_NOT_LOCKED_FOR_WRITE insert into t2 (a) values (2); --error ER_TABLE_NOT_LOCKED insert into t3 (a) values (2); --error ER_NO_SUCH_TABLE lock table no_such_table read; insert into t3 (a) values (2); --echo # --echo # III. Concurrent tests. --echo # connect (con1,localhost,root,,); --echo # --> connection default --echo # --echo # Check that flush tables with read lock --echo # does not affect non-locked tables. connection default; --echo # flush tables t1 with read lock; --echo # --> connection con1; connection con1; select * from t1; select * from t2; insert into t2 (a) values (3); --echo # --> connection default; connection default; unlock tables; --echo # --> connection con1 connection con1; disconnect con1; --source include/wait_until_disconnected.inc connection default; drop table t1, t2, t3; --echo # --echo # Bug#51710 FLUSH TABLES WITH READ LOCK kills the server --echo # --disable_warnings drop view if exists v1, v2, v3; drop table if exists t1, v1; --enable_warnings 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; --error ER_WRONG_OBJECT flush table v1, v2, v3 with read lock; --error ER_WRONG_OBJECT flush table v1 with read lock; --error ER_WRONG_OBJECT flush table v2 with read lock; --error ER_WRONG_OBJECT flush table v3 with read lock; create temporary table v1 (a int); --error ER_WRONG_OBJECT flush table v1 with read lock; 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;