diff options
Diffstat (limited to 'lib/sqlalchemy/sql/naming.py')
| -rw-r--r-- | lib/sqlalchemy/sql/naming.py | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/naming.py b/lib/sqlalchemy/sql/naming.py index bbb843121..3ba7f5105 100644 --- a/lib/sqlalchemy/sql/naming.py +++ b/lib/sqlalchemy/sql/naming.py @@ -10,7 +10,7 @@ """ from .schema import Constraint, ForeignKeyConstraint, PrimaryKeyConstraint, \ - UniqueConstraint, CheckConstraint, Index, Table + UniqueConstraint, CheckConstraint, Index, Table, Column from .. import event, events from .. import exc from .elements import _truncated_label @@ -107,7 +107,14 @@ def _get_convention(dict_, key): @event.listens_for(Constraint, "after_parent_attach") @event.listens_for(Index, "after_parent_attach") def _constraint_name(const, table): - if isinstance(table, Table): + if isinstance(table, Column): + # for column-attached constraint, set another event + # to link the column attached to the table as this constraint + # associated with the table. + event.listen(table, "after_parent_attach", + lambda col, table: _constraint_name(const, table) + ) + elif isinstance(table, Table): metadata = table.metadata convention = _get_convention(metadata.naming_convention, type(const)) if convention is not None: |