fix CASCADE DELETE with Postgres

uralbash · May 20, 2014 · 4654acb · 4654acb
1 parent 380a43f
commit 4654acb
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sqlalchemy_mptt/mixins.py b/sqlalchemy_mptt/mixins.py
@@ -39,7 +39,8 @@ def tree_id(cls):
     @declared_attr
     def parent_id(cls):
         return Column("parent_id", Integer,
-                      ForeignKey('%s.id' % cls.__tablename__))
+                      ForeignKey('%s.id' % cls.__tablename__,
+                                 ondelete='CASCADE'))
 
     @declared_attr
     def parent(cls):