      can_distinct_on_fields = False
  
      def __init__(self, connection):
          self.connection = connection
  
      @cached_property
      def supports_transactions(self):
          "Confirm support for transactions"
 
</s>
    # Can we roll back DDL in a transaction?
    can_rollback_ddl = False

      can_distinct_on_fields = False
  
    # Can we roll back DDL in a transaction?
    can_rollback_ddl = False

      def __init__(self, connection):
          self.connection = connection
  
      @cached_property
      def supports_transactions(self):
          "Confirm support for transactions"
keep add keep keep keep keep keep keep
 Very start of schema alteration port. Create/delete model and some tests.
django/db/backends/__init__.py