diff options
Diffstat (limited to 'lib/sqlalchemy/sql/schema.py')
| -rw-r--r-- | lib/sqlalchemy/sql/schema.py | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py index 9b5005b5d..dd8238450 100644 --- a/lib/sqlalchemy/sql/schema.py +++ b/lib/sqlalchemy/sql/schema.py @@ -1586,9 +1586,13 @@ class Column(DialectKWArgs, SchemaItem, ColumnClause): # check if this Column is proxying another column if "_proxies" in kwargs: self._proxies = kwargs.pop("_proxies") - # otherwise, add DDL-related events - elif isinstance(self.type, SchemaEventTarget): - self.type._set_parent_with_dispatch(self) + else: + # otherwise, add DDL-related events + if isinstance(self.type, SchemaEventTarget): + self.type._set_parent_with_dispatch(self) + for impl in self.type._variant_mapping.values(): + if isinstance(impl, SchemaEventTarget): + impl._set_parent_with_dispatch(self) if self.default is not None: if isinstance(self.default, (ColumnDefault, Sequence)): |