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-rw-r--r--sql/mdl.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/sql/mdl.cc b/sql/mdl.cc
index 9eeb82eeffd..f2b205a86f2 100644
--- a/sql/mdl.cc
+++ b/sql/mdl.cc
@@ -2842,6 +2842,9 @@ void MDL_context::rollback_to_savepoint(const MDL_savepoint &mdl_savepoint)
void MDL_context::release_transactional_locks()
{
DBUG_ENTER("MDL_context::release_transactional_locks");
+ /* Fail if there are active transactions */
+ DBUG_ASSERT(!(current_thd->server_status &
+ (SERVER_STATUS_IN_TRANS | SERVER_STATUS_IN_TRANS_READONLY)));
release_locks_stored_before(MDL_STATEMENT, NULL);
release_locks_stored_before(MDL_TRANSACTION, NULL);
DBUG_VOID_RETURN;