diff options
Diffstat (limited to 'innobase/include/dict0crea.h')
| -rw-r--r-- | innobase/include/dict0crea.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/innobase/include/dict0crea.h b/innobase/include/dict0crea.h index ccdedff42c8..b2c3ad7ca96 100644 --- a/innobase/include/dict0crea.h +++ b/innobase/include/dict0crea.h @@ -81,12 +81,25 @@ dict_create_or_check_foreign_constraint_tables(void); /*================================================*/ /* out: DB_SUCCESS or error code */ /************************************************************************ -Adds foreign key definitions to data dictionary tables in the database. */ +Adds foreign key definitions to data dictionary tables in the database. We +look at table->foreign_list, and also generate names to constraints that were +not named by the user. A generated constraint has a name of the format +databasename/tablename_ibfk_<number>, where the numbers start from 1, and are +given locally for this table, that is, the number is not global, as in the +old format constraints < 4.0.18 it used to be. */ ulint dict_create_add_foreigns_to_dictionary( /*===================================*/ /* out: error code or DB_SUCCESS */ + ulint start_id,/* in: if we are actually doing ALTER TABLE + ADD CONSTRAINT, we want to generate constraint + numbers which are bigger than in the table so + far; we number the constraints from + start_id + 1 up; start_id should be set to 0 if + we are creating a new table, or if the table + so far has no constraints for which the name + was generated here */ dict_table_t* table, /* in: table */ trx_t* trx); /* in: transaction */ |