diff options
Diffstat (limited to 'mysql-test/suite/handler/handler.inc')
| -rw-r--r-- | mysql-test/suite/handler/handler.inc | 56 |
1 files changed, 40 insertions, 16 deletions
diff --git a/mysql-test/suite/handler/handler.inc b/mysql-test/suite/handler/handler.inc index c71dc53e5ac..c8ab0210361 100644 --- a/mysql-test/suite/handler/handler.inc +++ b/mysql-test/suite/handler/handler.inc @@ -796,7 +796,9 @@ let $wait_condition=select count(*)=1 from information_schema.processlist --source include/wait_condition.inc --echo # --> connection default connection default; -handler t1 read a prev; +--echo # Attempt to upgrade metadata locks to SR from S will lead to +--echo # deadlock which will result in table being automatically closed. +--error ER_NO_SUCH_TABLE handler t1 read a prev; handler t1 close; --echo # --> connection con1 @@ -835,15 +837,23 @@ select * from t1; --echo # thus we can reopen it in the handler handler t1 open; --echo # We can commit the transaction, it doesn't close the handler ---echo # and doesn't let DROP to proceed. +--echo # and doesn't let DROP to proceed immediately. commit; -handler t1 read a prev; -handler t1 read a prev; +connection con2; +--echo # Waiting for 'drop table t1' to get blocked... +let $wait_condition=select count(*)=1 from information_schema.processlist + where state='Waiting for table metadata lock' and + info='drop table t1'; +--source include/wait_condition.inc +--echo # --> connection default +connection default; +--echo # OTOH the first attempt to read from HANDLER will lead to metadata +--echo # locks deadlock and thus to HANDLER being automatically closed. +--error ER_NO_SUCH_TABLE handler t1 read a prev; handler t1 close; --echo # --> connection con1 connection con1; ---echo # Now drop can proceed --echo # Reaping 'drop table t1'... --reap --echo # --> connection default @@ -984,12 +994,19 @@ connection con2; --reap --echo # Demonstrate that ROLLBACK TO SAVEPOINT didn't release the handler --echo # lock. +--echo # --> connection con3 +connection con3; +--echo # Check if 'drop table t1' still blocked... +let $wait_condition=select count(*)=1 from information_schema.processlist + where state='Waiting for table metadata lock' and + info='drop table t1'; +--source include/wait_condition.inc --echo # --> connection default connection default; +--echo # Demonstrate that the drop will go through as soon as we close +--echo # or will try to access HANDLER +--error ER_NO_SUCH_TABLE handler t1 read a next; -handler t1 read a next; ---echo # Demonstrate that the drop will go through as soon as we close the ---echo # HANDLER handler t1 close; --echo # connection con1 connection con1; @@ -1053,12 +1070,19 @@ connection con2; --reap --echo # Demonstrate that ROLLBACK TO SAVEPOINT didn't release the handler --echo # lock. +--echo # --> connection con3 +connection con3; +--echo # Check if 'drop table t1' is still blocked... +let $wait_condition=select count(*)=1 from information_schema.processlist + where state='Waiting for table metadata lock' and + info='drop table t1'; +--source include/wait_condition.inc --echo # --> connection default connection default; +--echo # Demonstrate that the drop will go through as soon as we access or +--echo # close the HANDLER +--error ER_NO_SUCH_TABLE handler t1 read a next; -handler t1 read a next; ---echo # Demonstrate that the drop will go through as soon as we close the ---echo # HANDLER handler t1 close; --echo # connection con1 connection con1; @@ -1100,13 +1124,13 @@ let $wait_condition=select count(*)=1 from information_schema.processlist where state='Waiting for table metadata lock' and info='drop table t3'; --source include/wait_condition.inc ---echo # Demonstrate that ROLLBACK TO SAVEPOINT didn't release the handler ---echo # lock. +--echo # The fact that DROP TABLE is blocked means that ROLLBACK TO SAVEPOINT +--echo # didn't release the handler lock. --echo # --> connection default connection default; +--echo # Drop will go through as soon as we access or close the HANDLER +--error ER_NO_SUCH_TABLE handler t3 read a next; ---echo # Demonstrate that the drop will go through as soon as we close the ---echo # HANDLER handler t3 close; --echo # connection con1 connection con1; @@ -1214,7 +1238,7 @@ connection con1; --echo # Waiting for 'handler t1 read a next' to get blocked... let $wait_condition= select count(*) = 1 from information_schema.processlist - where state = "Waiting for table level lock" and + where state = "Waiting for table metadata lock" and info = "handler t1 read a next"; --source include/wait_condition.inc |