diff options
Diffstat (limited to 'sql/sql_table.h')
| -rw-r--r-- | sql/sql_table.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sql/sql_table.h b/sql/sql_table.h index a15a9770b87..3bed73f67c3 100644 --- a/sql/sql_table.h +++ b/sql/sql_table.h @@ -156,6 +156,10 @@ bool mysql_create_table(THD *thd, TABLE_LIST *create_table, - ALTER TABLE, that creates a temporary table #sql-xxx, which will be later renamed to replace the original table. + - ALTER TABLE as above, but which only modifies the frm file, it only + creates an frm file for the #sql-xxx, the table in the engine is not + created. + These situations are distinguished by the following "create table mode" values, where a CREATE ... SELECT is denoted by any non-negative number (which should be the number of fields in the SELECT ... part), and other @@ -164,6 +168,7 @@ bool mysql_create_table(THD *thd, TABLE_LIST *create_table, #define C_CREATE_SELECT(X) ((X) > 0 ? (X) : 0) #define C_ORDINARY_CREATE 0 #define C_ALTER_TABLE -1 +#define C_ALTER_TABLE_FRM_ONLY -2 bool mysql_create_table_no_lock(THD *thd, const char *db, const char *table_name, |