diff options
Diffstat (limited to 'sql/sql_handler.cc')
| -rw-r--r-- | sql/sql_handler.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sql/sql_handler.cc b/sql/sql_handler.cc index 9f365d0cf2f..4a69b46ddb7 100644 --- a/sql/sql_handler.cc +++ b/sql/sql_handler.cc @@ -837,3 +837,27 @@ void mysql_ha_cleanup(THD *thd) DBUG_VOID_RETURN; } + +/** + Move tickets for metadata locks corresponding to open HANDLERs + after transaction sentinel in order to protect them from being + released at the end of transaction. + + @param thd Thread identifier. +*/ + +void mysql_ha_move_tickets_after_trans_sentinel(THD *thd) +{ + TABLE_LIST *hash_tables; + DBUG_ENTER("mysql_ha_move_tickets_after_trans_sentinel"); + + for (uint i= 0; i < thd->handler_tables_hash.records; i++) + { + hash_tables= (TABLE_LIST*) my_hash_element(&thd->handler_tables_hash, i); + if (hash_tables->table && hash_tables->table->mdl_ticket) + thd->mdl_context. + move_ticket_after_trans_sentinel(hash_tables->table->mdl_ticket); + } + DBUG_VOID_RETURN; +} + |