diff options
Diffstat (limited to 'django/db/models/expressions.py')
| -rw-r--r-- | django/db/models/expressions.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/django/db/models/expressions.py b/django/db/models/expressions.py index 93e72cfb18..f03a2736b3 100644 --- a/django/db/models/expressions.py +++ b/django/db/models/expressions.py @@ -748,7 +748,8 @@ class When(Expression): def resolve_expression(self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False): c = self.copy() c.is_summary = summarize - c.condition = c.condition.resolve_expression(query, allow_joins, reuse, summarize, False) + if hasattr(c.condition, 'resolve_expression'): + c.condition = c.condition.resolve_expression(query, allow_joins, reuse, summarize, False) c.result = c.result.resolve_expression(query, allow_joins, reuse, summarize, for_save) return c |