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Diffstat (limited to 'django/contrib/contenttypes/generic.py')
| -rw-r--r-- | django/contrib/contenttypes/generic.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/django/contrib/contenttypes/generic.py b/django/contrib/contenttypes/generic.py index a92f0f0dc8..7d130bec24 100644 --- a/django/contrib/contenttypes/generic.py +++ b/django/contrib/contenttypes/generic.py @@ -12,7 +12,7 @@ from django.db import models, router, transaction, DEFAULT_DB_ALIAS from django.db.models import signals from django.db.models.fields.related import ForeignObject, ForeignObjectRel from django.db.models.related import PathInfo -from django.db.models.sql.where import Constraint +from django.db.models.sql.datastructures import Col from django.forms import ModelForm, ALL_FIELDS from django.forms.models import (BaseModelFormSet, modelformset_factory, modelform_defines_fields) @@ -236,7 +236,8 @@ class GenericRelation(ForeignObject): field = self.rel.to._meta.get_field_by_name(self.content_type_field_name)[0] contenttype_pk = self.get_content_type().pk cond = where_class() - cond.add((Constraint(remote_alias, field.column, field), 'exact', contenttype_pk), 'AND') + lookup = field.get_lookup('exact')(Col(remote_alias, field, field), contenttype_pk) + cond.add(lookup, 'AND') return cond def bulk_related_objects(self, objs, using=DEFAULT_DB_ALIAS): |