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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2012-04-24 11:58:14 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2012-04-24 11:58:14 -0400 |
| commit | 2086728eb5c9d25d7e604fc0fc468d5ce5464122 (patch) | |
| tree | 9cf49bbbb90684e7311c103dd71bd552a798adfe /lib/sqlalchemy | |
| parent | f5c98d5470ba2d7ed42ed6c1298d760eb5765710 (diff) | |
| download | sqlalchemy-2086728eb5c9d25d7e604fc0fc468d5ce5464122.tar.gz | |
- [bug] The warning emitted when using
delete-orphan cascade with one-to-many
or many-to-many without single-parent=True
is now an error. The ORM
would fail to function subsequent to this
warning in any case. [ticket:2405]
Diffstat (limited to 'lib/sqlalchemy')
| -rw-r--r-- | lib/sqlalchemy/orm/properties.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/properties.py b/lib/sqlalchemy/orm/properties.py index fd64e7b81..79676642c 100644 --- a/lib/sqlalchemy/orm/properties.py +++ b/lib/sqlalchemy/orm/properties.py @@ -1064,7 +1064,8 @@ class RelationshipProperty(StrategizedProperty): if self.cascade.delete_orphan and not self.single_parent \ and (self.direction is MANYTOMANY or self.direction is MANYTOONE): - util.warn('On %s, delete-orphan cascade is not supported ' + raise sa_exc.ArgumentError( + 'On %s, delete-orphan cascade is not supported ' 'on a many-to-many or many-to-one relationship ' 'when single_parent is not set. Set ' 'single_parent=True on the relationship().' |