diff options
Diffstat (limited to 'lib/sqlalchemy/sql/selectable.py')
| -rw-r--r-- | lib/sqlalchemy/sql/selectable.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/selectable.py b/lib/sqlalchemy/sql/selectable.py index 6520f08fc..b5a7489bf 100644 --- a/lib/sqlalchemy/sql/selectable.py +++ b/lib/sqlalchemy/sql/selectable.py @@ -2680,7 +2680,8 @@ class Select(HasPrefixes, HasSuffixes, GenerativeSelect): only_froms = dict( (c.key, c) for c in _select_iterables(self.froms) if c._allow_label_resolve) - with_cols.update(only_froms) + for key, value in only_froms.items(): + with_cols.setdefault(key, value) return with_cols, only_froms |