diff options
Diffstat (limited to 'lib/sqlalchemy/sql/elements.py')
| -rw-r--r-- | lib/sqlalchemy/sql/elements.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py index fdb3fc8bb..346a84ddf 100644 --- a/lib/sqlalchemy/sql/elements.py +++ b/lib/sqlalchemy/sql/elements.py @@ -357,7 +357,8 @@ class ClauseElement( # process leaves around a lot of remnants of the previous clause # typically in the form of column expressions still attached to the # old table. - c._is_clone_of = self + cc = self._is_clone_of + c._is_clone_of = cc if cc is not None else self return c |