diff options
Diffstat (limited to 'mysql-test/t/lock_multi.test')
| -rw-r--r-- | mysql-test/t/lock_multi.test | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/mysql-test/t/lock_multi.test b/mysql-test/t/lock_multi.test index 905d0699e6a..627c33b3d82 100644 --- a/mysql-test/t/lock_multi.test +++ b/mysql-test/t/lock_multi.test @@ -142,6 +142,7 @@ disconnect con2; --error ER_DB_DROP_EXISTS DROP DATABASE mysqltest_1; +# # Bug#16986 - Deadlock condition with MyISAM tables # connection locker; @@ -170,6 +171,55 @@ connection locker; use test; # connection default; +# +# Test if CREATE TABLE with LOCK TABLE deadlocks. +# +connection writer; +CREATE TABLE t1 (c1 int); +LOCK TABLE t1 WRITE; +# +# This waits until t1 is unlocked. +connection locker; +send FLUSH TABLES WITH READ LOCK; +--sleep 1 +# +# This must not block. +connection writer; +CREATE TABLE t2 (c1 int); +UNLOCK TABLES; +# +# This awakes now. +connection locker; +reap; +UNLOCK TABLES; +# +connection default; +DROP TABLE t1, t2; +# +# Test if CREATE TABLE SELECT with LOCK TABLE deadlocks. +# +connection writer; +CREATE TABLE t1 (c1 int); +LOCK TABLE t1 WRITE; +# +# This waits until t1 is unlocked. +connection locker; +send FLUSH TABLES WITH READ LOCK; +--sleep 1 +# +# This must not block. +connection writer; +--error 1100 +CREATE TABLE t2 AS SELECT * FROM t1; +UNLOCK TABLES; +# +# This awakes now. +connection locker; +reap; +UNLOCK TABLES; +# +connection default; +DROP TABLE t1; # # Bug #17264: MySQL Server freeze |