diff options
| -rw-r--r-- | rest_framework/serializers.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py index 3189619e..ce0d14d6 100644 --- a/rest_framework/serializers.py +++ b/rest_framework/serializers.py @@ -721,6 +721,7 @@ class ModelSerializer(Serializer): # arguments to deal with `unique_for` dates that are required to # be in the input data in order to validate it. hidden_fields = {} + unique_constraint_names = set() for model_field_name, field_name in model_field_mapping.items(): try: @@ -729,12 +730,13 @@ class ModelSerializer(Serializer): continue # Include each of the `unique_for_*` field names. - unique_constraint_names = set([ + unique_constraint_names |= set([ model_field.unique_for_date, model_field.unique_for_month, model_field.unique_for_year ]) - unique_constraint_names -= set([None]) + + unique_constraint_names -= set([None]) # Include each of the `unique_together` field names, # so long as all the field names are included on the serializer. |