diff --git a/mysql-test/r/lock_multi.result b/mysql-test/r/lock_multi.result index af49e1a27dc..079f92ca420 100644 --- a/mysql-test/r/lock_multi.result +++ b/mysql-test/r/lock_multi.result @@ -88,3 +88,14 @@ alter table t1 auto_increment=0; alter table t1 auto_increment=0; alter table t1 alter table t1 auto_increment=0; alter table t1 auto_increment=0; alter table t1 auto_increment=0; alter table t1 auto_increment=0; alter table t1 auto_increment=0; // unlock tables; drop table t1; +drop table if exists t1; +create table t1 (a int); +connection: locker +lock tables t1 read; +connection: writer +create table t2 like t1;; +connection: default +kill query +ERROR 70100: Query execution was interrupted +unlock tables; +drop table t1; diff --git a/mysql-test/t/lock_multi.test b/mysql-test/t/lock_multi.test index d670bb55a18..649c1a4efbd 100644 --- a/mysql-test/t/lock_multi.test +++ b/mysql-test/t/lock_multi.test @@ -249,4 +249,36 @@ reap; connection locker; drop table t1; +# +# Bug#31479 Bad lock interaction if CREATE TABLE LIKE is killed +# + +--disable_warnings +drop table if exists t1; +--enable_warnings +create table t1 (a int); +--echo connection: locker +connection locker; +lock tables t1 read; +--echo connection: writer +connection writer; +let $ID= `select connection_id()`; +--send create table t2 like t1; +--echo connection: default +connection default; +let $show_type= open tables where in_use=2 and name_locked=1; +let $show_pattern= '%t1%2%1'; +--source include/wait_show_pattern.inc +--echo kill query +disable_query_log; +eval kill query $ID; +enable_query_log; +connection writer; +--error ER_QUERY_INTERRUPTED +--reap +connection locker; +unlock tables; +connection default; +drop table t1; + # End of 5.0 tests diff --git a/sql/sql_table.cc b/sql/sql_table.cc index 0838b805b35..de7ccb7b86f 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -2761,7 +2761,7 @@ bool mysql_create_like_table(THD* thd, TABLE_LIST* table, TABLE_LIST *src_table, operations on the target table. */ if (lock_and_wait_for_table_name(thd, src_table)) - goto err; + DBUG_RETURN(res); pthread_mutex_lock(&LOCK_open);