diff options
Diffstat (limited to 'lib/sqlalchemy/sql/elements.py')
| -rw-r--r-- | lib/sqlalchemy/sql/elements.py | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py index 74e8dceff..b64427d51 100644 --- a/lib/sqlalchemy/sql/elements.py +++ b/lib/sqlalchemy/sql/elements.py @@ -235,7 +235,7 @@ class ClauseElement( self._propagate_attrs = util.immutabledict(values) return self - def _clone(self): + def _clone(self, **kw): """Create a shallow copy of this ClauseElement. This method may be used by a generative API. Its also used as @@ -360,7 +360,9 @@ class ClauseElement( if unique: bind._convert_to_unique() - return cloned_traverse(self, {}, {"bindparam": visit_bindparam}) + return cloned_traverse( + self, {"maintain_key": True}, {"bindparam": visit_bindparam} + ) def compare(self, other, **kw): r"""Compare this :class:`_expression.ClauseElement` to @@ -1432,8 +1434,8 @@ class BindParameter(roles.InElementRole, ColumnElement): c.type = type_ return c - def _clone(self, maintain_key=False): - c = ClauseElement._clone(self) + def _clone(self, maintain_key=False, **kw): + c = ClauseElement._clone(self, **kw) if not maintain_key and self.unique: c.key = _anonymous_label.safe_construct( id(c), c._orig_key or "param" |