Refs #26552 -- Made reloading the database for tests check only loaded tables constraints.

felixxm · web-flow · commit eeab63e57e79 · 2020-04-17T08:14:27.000+02:00
diff --git a/django/db/backends/base/creation.py b/django/db/backends/base/creation.py
@@ -127,16 +127,18 @@ def deserialize_db_from_string(self, data):
         the serialize_db_to_string() method.
         """
         data = StringIO(data)
+        table_names = set()
         # Load data in a transaction to handle forward references and cycles.
         with atomic(using=self.connection.alias):
             # Disable constraint checks, because some databases (MySQL) doesn't
             # support deferred checks.
             with self.connection.constraint_checks_disabled():
                 for obj in serializers.deserialize('json', data, using=self.connection.alias):
                     obj.save()
+                    table_names.add(obj.object.__class__._meta.db_table)
             # Manually check for any invalid keys that might have been added,
             # because constraint checks were disabled.
-            self.connection.check_constraints()
+            self.connection.check_constraints(table_names=table_names)
 
     def _get_database_display_str(self, verbosity, database_name):
         """
