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MDEV-5955 Server crashes in handler::ha_external_lock or assertion `m_lock_type == 2' fails in handler::ha_close on disconnect with a locked temporary table

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first unlock locked tables, then close and remove temporary
This commit is contained in:
Sergei Golubchik
2014-03-26 19:56:23 +01:00
parent ded448d1d0
commit 44002a34e6
3 changed files with 13 additions and 2 deletions
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2
mysql-test/r/locked_temporary-5955.result Normal file
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@ -0,0 +1,2 @@
CREATE TEMPORARY TABLE tmp (i INT) ENGINE=InnoDB;
LOCK TABLES tmp AS p WRITE;

10
mysql-test/t/locked_temporary-5955.test Normal file
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@ -0,0 +1,10 @@
#
# MDEV-5955 Server crashes in handler::ha_external_lock or assertion `m_lock_type == 2' fails in handler::ha_close on disconnect with a locked temporary table
#
--source include/have_innodb.inc
--connect (con1,localhost,root,,)
CREATE TEMPORARY TABLE tmp (i INT) ENGINE=InnoDB;
LOCK TABLES tmp AS p WRITE;
--disconnect con1

3
sql/sql_class.cc
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@ -1391,6 +1391,7 @@ void THD::cleanup(void)
#endif
mysql_ha_cleanup(this);
locked_tables_list.unlock_locked_tables(this);
close_temporary_tables(this);
@ -1398,8 +1399,6 @@ void THD::cleanup(void)
trans_rollback(this);
xid_cache_delete(&transaction.xid_state);
locked_tables_list.unlock_locked_tables(this);
DBUG_ASSERT(open_tables == NULL);
/*
If the thread was in the middle of an ongoing transaction (rolled