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Code Activity

MDEV-5619: CREATE OR REPLACE does not release MDL_EXCLUSIVE upon failure

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mysql-test/r/create_or_replace.result:
  Added test of releasing of metadata locks
mysql-test/t/create_or_replace.test:
  Added test of releasing of metadata locks
sql/handler.h:
  Added marker if table was deleted as part of CREATE OR REPLACE
sql/sql_base.cc:
  Added Locked_tables_list::unlock_locked_table()
sql/sql_class.h:
  New prototypes
sql/sql_insert.cc:
  Unlock metadata locks for deleted table in case of error. Also do unlock tables if this was the only locked table.
sql/sql_table.cc:
  Unlock metadata locks for deleted table in case of error. Also do unlock tables if this was the only locked table.
This commit is contained in:
Michael Widenius
2014-03-12 11:26:40 +02:00
parent 49ca12a107
commit f320b12ca5
7 changed files with 157 additions and 3 deletions
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sql/handler.h
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@ -1621,6 +1621,7 @@ struct HA_CREATE_INFO
TABLE *table;
TABLE_LIST *pos_in_locked_tables;
MDL_ticket *mdl_ticket;
bool table_was_deleted;
bool tmp_table() { return options & HA_LEX_CREATE_TMP_TABLE; }
};