diff options
Diffstat (limited to 'django/db/backends/__init__.py')
| -rw-r--r-- | django/db/backends/__init__.py | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/django/db/backends/__init__.py b/django/db/backends/__init__.py index 0b9e75cbbc..1b8e6ae447 100644 --- a/django/db/backends/__init__.py +++ b/django/db/backends/__init__.py @@ -390,9 +390,10 @@ class BaseDatabaseWrapper(object): def disable_constraint_checking(self): """ Backends can implement as needed to temporarily disable foreign key - constraint checking. + constraint checking. Should return True if the constraints were + disabled and will need to be reenabled. """ - pass + return False def enable_constraint_checking(self): """ @@ -784,12 +785,12 @@ class BaseDatabaseOperations(object): """ return cursor.fetchone()[0] - def field_cast_sql(self, db_type): + def field_cast_sql(self, db_type, internal_type): """ - Given a column type (e.g. 'BLOB', 'VARCHAR'), returns the SQL necessary - to cast it before using it in a WHERE statement. Note that the - resulting string should contain a '%s' placeholder for the column being - searched against. + Given a column type (e.g. 'BLOB', 'VARCHAR'), and an internal type + (e.g. 'GenericIPAddressField'), returns the SQL necessary to cast it + before using it in a WHERE statement. Note that the resulting string + should contain a '%s' placeholder for the column being searched against. """ return '%s' |