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-rw-r--r--django/db/models/sql/query.py9
1 files changed, 8 insertions, 1 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 017edea873..4cd22c7b8a 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -13,7 +13,7 @@ from string import ascii_uppercase
from django.core.exceptions import (
EmptyResultSet, FieldDoesNotExist, FieldError,
)
-from django.db import DEFAULT_DB_ALIAS, connections
+from django.db import DEFAULT_DB_ALIAS, NotSupportedError, connections
from django.db.models.aggregates import Count
from django.db.models.constants import LOOKUP_SEP
from django.db.models.expressions import Col, Ref
@@ -1125,6 +1125,13 @@ class Query:
if not arg:
raise FieldError("Cannot parse keyword query %r" % arg)
lookups, parts, reffed_expression = self.solve_lookup_type(arg)
+
+ if not getattr(reffed_expression, 'filterable', True):
+ raise NotSupportedError(
+ reffed_expression.__class__.__name__ + ' is disallowed in '
+ 'the filter clause.'
+ )
+
if not allow_joins and len(parts) > 1:
raise FieldError("Joined field references are not permitted in this query")