diff options
Diffstat (limited to 'innobase/include/row0mysql.h')
| -rw-r--r-- | innobase/include/row0mysql.h | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/innobase/include/row0mysql.h b/innobase/include/row0mysql.h index 8152c534f48..c72c905edf5 100644 --- a/innobase/include/row0mysql.h +++ b/innobase/include/row0mysql.h @@ -230,18 +230,35 @@ row_update_cascade_for_mysql( or set null operation */ dict_table_t* table); /* in: table where we do the operation */ /************************************************************************* -Locks the data dictionary exclusively for performing a table create -operation. */ +Locks the data dictionary exclusively for performing a table create or other +data dictionary modification operation. */ void -row_mysql_lock_data_dictionary(void); -/*================================*/ +row_mysql_lock_data_dictionary( +/*===========================*/ + trx_t* trx); /* in: transaction */ /************************************************************************* -Unlocks the data dictionary exclusively lock. */ +Unlocks the data dictionary exclusive lock. */ void -row_mysql_unlock_data_dictionary(void); -/*==================================*/ +row_mysql_unlock_data_dictionary( +/*=============================*/ + trx_t* trx); /* in: transaction */ +/************************************************************************* +Locks the data dictionary in shared mode from modifications, for performing +foreign key check, rollback, or other operation invisible to MySQL. */ + +void +row_mysql_freeze_data_dictionary( +/*=============================*/ + trx_t* trx); /* in: transaction */ +/************************************************************************* +Unlocks the data dictionary shared lock. */ + +void +row_mysql_unfreeze_data_dictionary( +/*===============================*/ + trx_t* trx); /* in: transaction */ /************************************************************************* Does a table creation operation for MySQL. If the name of the created table ends to characters INNODB_MONITOR, then this also starts @@ -310,11 +327,9 @@ output by the master thread. */ int row_drop_table_for_mysql( /*=====================*/ - /* out: error code or DB_SUCCESS */ - char* name, /* in: table name */ - trx_t* trx, /* in: transaction handle */ - ibool has_dict_mutex);/* in: TRUE if the caller already owns the - dictionary system mutex */ + /* out: error code or DB_SUCCESS */ + char* name, /* in: table name */ + trx_t* trx); /* in: transaction handle */ /************************************************************************* Drops a database for MySQL. */ |