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| author | Tomáš Ehrlich <tomas.ehrlich@gmail.com> | 2018-03-01 08:55:05 +0100 |
|---|---|---|
| committer | Tim Graham <timograham@gmail.com> | 2018-03-01 10:24:14 -0500 |
| commit | fa352626c2a80bcdcd0fc6492b5fd5130490f05e (patch) | |
| tree | 52004cfda1e319a800b4550cc3296ad683b0bec4 /django | |
| parent | ba4a9862407c8e8574c60b9f911f6b09aff1fa12 (diff) | |
Fixed #29172 -- Fixed crash with Window expression in a subquery.
Diffstat (limited to 'django')
| -rw-r--r-- | django/db/models/expressions.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/django/db/models/expressions.py b/django/db/models/expressions.py index 307ee97db5..4ce869d80a 100644 --- a/django/db/models/expressions.py +++ b/django/db/models/expressions.py @@ -315,8 +315,10 @@ class BaseExpression: def relabeled_clone(self, change_map): clone = self.copy() - clone.set_source_expressions( - [e.relabeled_clone(change_map) for e in self.get_source_expressions()]) + clone.set_source_expressions([ + e.relabeled_clone(change_map) if e is not None else None + for e in self.get_source_expressions() + ]) return clone def copy(self): |