diff options
Diffstat (limited to 'mysql-test/main/mdl_sync.test')
| -rw-r--r-- | mysql-test/main/mdl_sync.test | 95 |
1 files changed, 84 insertions, 11 deletions
diff --git a/mysql-test/main/mdl_sync.test b/mysql-test/main/mdl_sync.test index fbecd6bf547..2a1e488ab44 100644 --- a/mysql-test/main/mdl_sync.test +++ b/mysql-test/main/mdl_sync.test @@ -2,6 +2,7 @@ # We need the Debug Sync Facility. # --source include/have_debug_sync.inc +--source include/have_metadata_lock_info.inc # We need InnoDB tables for some of the tests. --source include/have_innodb.inc @@ -2690,17 +2691,20 @@ connection con1; --echo # Wait till FLUSH TABLES <list> WITH READ LOCK stops. set debug_sync='now WAIT_FOR parked'; +# Simple flush tables should not block +flush tables; + --echo # Start a statement which will flush all tables and thus --echo # invalidate table t1 open by FLUSH TABLES <list> WITH READ LOCK. --echo # Sending: -send flush tables; +send flush tables t1; connection default; --echo # Wait till the above FLUSH TABLES blocks. let $wait_condition= select count(*) = 1 from information_schema.processlist - where state = "Waiting for table flush" and - info = "flush tables"; + where state = "Waiting for table metadata lock" and + info = "flush tables t1"; --source include/wait_condition.inc --echo # Resume FLUSH TABLES <list> WITH READ LOCK, so it tries to open t2 @@ -3245,6 +3249,7 @@ connection con2; SET DEBUG_SYNC= 'now WAIT_FOR table_opened'; --echo # Check that FLUSH must wait to get the GRL --echo # and let DROP PROCEDURE continue +SELECT LOCK_MODE, LOCK_TYPE, TABLE_SCHEMA, TABLE_NAME FROM information_schema.metadata_lock_info; SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL grlwait'; --send FLUSH TABLES WITH READ LOCK @@ -3261,12 +3266,63 @@ connection con2; --echo # Reaping FTWRL. --reap UNLOCK TABLES; +connection default; +SET DEBUG_SYNC= 'RESET'; + +--echo # +--echo # UPDATE should wait for FTWRL with non transactional table second +--echo # + +create table t1 (a int) engine=myisam; +create table t2 (a int) engine=innodb; +insert into t1 values (1); +insert into t2 values (1); + +SET DEBUG_SYNC= 'after_open_table_mdl_shared SIGNAL table_opened WAIT_FOR grlwait execute 2'; +--send update t1,t2 set t1.a=2,t2.a=3 + +connection con2; +SET DEBUG_SYNC= 'now WAIT_FOR table_opened'; +SET DEBUG_SYNC= 'now SIGNAL grlwait'; +SET DEBUG_SYNC= 'now WAIT_FOR table_opened'; +SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL grlwait'; +FLUSH TABLES WITH READ LOCK; + +connection default; +--echo # Reaping UPDATE +--reap + +connection con2; +UNLOCK TABLES; connection default; SET DEBUG_SYNC= 'RESET'; -disconnect con2; +# This will cause a wait as we first get lock for innodb table t2 but FTWRL +# will cause lock for t1 to wait + +SET DEBUG_SYNC= 'after_open_table_mdl_shared SIGNAL table_opened WAIT_FOR grlwait execute 2'; +--send update t2,t1 set t1.a=2,t2.a=3 + +connection con2; +SET DEBUG_SYNC= 'now WAIT_FOR table_opened'; +SET DEBUG_SYNC= 'now SIGNAL grlwait'; +SET DEBUG_SYNC= 'now WAIT_FOR table_opened'; +SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL grlwait'; +FLUSH TABLES WITH READ LOCK; +let $wait_condition= SELECT COUNT(*)=1 FROM information_schema.metadata_lock_info; +--source include/wait_condition.inc +SELECT LOCK_MODE, LOCK_TYPE, TABLE_SCHEMA, TABLE_NAME FROM information_schema.metadata_lock_info; + +unlock tables; + +connection default; +--echo # Reaping UPDATE +--reap +SET DEBUG_SYNC= 'RESET'; +drop table t1,t2; +disconnect con2; --echo # --echo # Bug#50786 Assertion `thd->mdl_context.trans_sentinel() == __null' @@ -3275,9 +3331,6 @@ disconnect con2; --echo # Supress warnings written to the log file call mtr.add_suppression("Wait on a lock was aborted due to a pending exclusive lock"); ---disable_warnings -DROP TABLE IF EXISTS t1, t2; ---enable_warnings connect (con1,localhost,root); connect (con2,localhost,root); @@ -3966,7 +4019,7 @@ connection con2; connection default; let $wait_condition=SELECT COUNT(*)=1 FROM information_schema.processlist - WHERE state='Waiting for global read lock' + WHERE state='Waiting for backup lock' AND info='CREATE TABLE db1.t2(a INT)'; --source include/wait_condition.inc UNLOCK TABLES; @@ -3984,7 +4037,7 @@ connection con2; connection default; let $wait_condition=SELECT COUNT(*)=1 FROM information_schema.processlist - WHERE state='Waiting for global read lock' + WHERE state='Waiting for backup lock' AND info='ALTER DATABASE db1 DEFAULT CHARACTER SET utf8'; --source include/wait_condition.inc UNLOCK TABLES; @@ -4079,9 +4132,10 @@ disconnect con3; --echo # MDEV-12620 - set lock_wait_timeout = 1;flush tables with read lock; --echo # lock not released after timeout --echo # + CREATE TABLE t1(a INT) ENGINE=InnoDB; SET debug_sync='open_tables_after_open_and_process_table SIGNAL ready WAIT_FOR go'; -send SELECT * FROM t1; +send INSERT INTO t1 values (1); connect (con1,localhost,root,,); SET debug_sync='now WAIT_FOR ready'; @@ -4093,12 +4147,31 @@ SET debug_sync='now SIGNAL go'; connection default; reap; + +--echo # After MDEV-5536, SELECT will not block FLUSH TABLES + +SET debug_sync='RESET'; +SET debug_sync='open_tables_after_open_and_process_table SIGNAL ready WAIT_FOR go'; +send SELECT * FROM t1; + +connection con1; +SET debug_sync='now WAIT_FOR ready'; +# lock_wait_timeout should be 0 in 10.3, so that we don't have to wait at all +SET lock_wait_timeout=1; +FLUSH TABLES WITH READ LOCK; +SET debug_sync='now SIGNAL go'; + +connection default; +reap; +connection con1; +unlock tables; +connection default; + SET debug_sync='RESET'; DROP TABLE t1; disconnect con1; - # Check that all connections opened by test cases in this file are really # gone so execution of other tests won't be affected by their presence. --source include/wait_until_count_sessions.inc |