diff options
Diffstat (limited to 'sql/sql_base.h')
| -rw-r--r-- | sql/sql_base.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sql/sql_base.h b/sql/sql_base.h index a21850355b4..b1a730ad277 100644 --- a/sql/sql_base.h +++ b/sql/sql_base.h @@ -122,6 +122,11 @@ TABLE *open_ltable(THD *thd, TABLE_LIST *table_list, thr_lock_type update, (LONG_TIMEOUT = 1 year) rather than the user-supplied timeout value. */ #define MYSQL_LOCK_IGNORE_TIMEOUT 0x0800 +/** + When acquiring "strong" (SNW, SNRW, X) metadata locks on tables to + be open do not acquire global and schema-scope IX locks. +*/ +#define MYSQL_OPEN_SKIP_SCOPED_MDL_LOCK 0x1000 /** Please refer to the internals manual. */ #define MYSQL_OPEN_REOPEN (MYSQL_OPEN_IGNORE_FLUSH |\ |