diff options
Diffstat (limited to 'django/db/models/sql/query.py')
| -rw-r--r-- | django/db/models/sql/query.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py index 4ad1fb3f36..35f3c5e1ea 100644 --- a/django/db/models/sql/query.py +++ b/django/db/models/sql/query.py @@ -1229,6 +1229,16 @@ class Query(BaseExpression): """ if isinstance(filter_expr, dict): raise FieldError("Cannot parse keyword query as dict") + if hasattr(filter_expr, 'resolve_expression') and getattr(filter_expr, 'conditional', False): + if connections[DEFAULT_DB_ALIAS].ops.conditional_expression_supported_in_where_clause(filter_expr): + condition = filter_expr.resolve_expression(self) + else: + # Expression is not supported in the WHERE clause, add + # comparison with True. + condition = self.build_lookup(['exact'], filter_expr.resolve_expression(self), True) + clause = self.where_class() + clause.add(condition, AND) + return clause, [] arg, value = filter_expr if not arg: raise FieldError("Cannot parse keyword query %r" % arg) |
