Method enable_constraint_checking

django/db/backends/mysql/base.py:303–314

Re-enable foreign key checks after they have been disabled.

(self)

        return True

    def enable_constraint_checking(self):
        """
        Re-enable foreign key checks after they have been disabled.
        """
        # Override needs_rollback in case constraint_checks_disabled is
        # nested inside transaction.atomic.
        self.needs_rollback, needs_rollback = False, self.needs_rollback
        try:
            with self.cursor() as cursor:
                cursor.execute("SET foreign_key_checks=1")
        finally:
            self.needs_rollback = needs_rollback

    def check_constraints(self, table_names=None):
        """