diff options
Diffstat (limited to 'lib/sqlalchemy/sql/selectable.py')
| -rw-r--r-- | lib/sqlalchemy/sql/selectable.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/selectable.py b/lib/sqlalchemy/sql/selectable.py index f7dbd8231..1840d646d 100644 --- a/lib/sqlalchemy/sql/selectable.py +++ b/lib/sqlalchemy/sql/selectable.py @@ -2275,7 +2275,7 @@ class CompoundSelect(GenerativeSelect): d = dict( (c.key, c) for c in self.c ) - return d, d + return d, d, d @classmethod def _create_union(cls, *selects, **kwargs): @@ -2948,10 +2948,11 @@ class Select(HasPrefixes, HasSuffixes, GenerativeSelect): only_froms = dict( (c.key, c) for c in _select_iterables(self.froms) if c._allow_label_resolve) + only_cols = with_cols.copy() for key, value in only_froms.items(): with_cols.setdefault(key, value) - return with_cols, only_froms + return with_cols, only_froms, only_cols def is_derived_from(self, fromclause): if self in fromclause._cloned_set: |