fix for literal default values DateTimeField Default Now throws error #2

Author: daimor

django_iris/features.py

@@ -1,6 +1,8 @@
 from django.db.backends.base.features import BaseDatabaseFeatures
 class DatabaseFeatures(BaseDatabaseFeatures):
     empty_fetchmany_value = []
+
+    requires_literal_defaults = True
 
     supports_transactions = False
     uses_savepoints = False

django_iris/schema.py

@@ -19,7 +19,7 @@ def quote_value(self, value):
         return value
 
     def prepare_default(self, value):
-        raise NotImplementedError()
+        return self.quote_value(value)
 
     def table_sql(self, model):
         if '.' in model._meta.db_table: