Adds delete-orphan to database deletion.

Change-Id: I3570c812c042365e68eef3b5463899afa85eb9fd
Fixes: bug #1096549
This commit is contained in:
Senhua Huang 2013-03-14 19:05:38 -07:00
parent e560098bc8
commit 377f78fa55
1 changed files with 2 additions and 2 deletions

View File

@ -145,10 +145,10 @@ class Subnet(model_base.BASEV2, HasId, HasTenant):
enable_dhcp = sa.Column(sa.Boolean())
dns_nameservers = orm.relationship(DNSNameServer,
backref='subnet',
cascade='delete')
cascade='all, delete, delete-orphan')
routes = orm.relationship(SubnetRoute,
backref='subnet',
cascade='delete')
cascade='all, delete, delete-orphan')
shared = sa.Column(sa.Boolean)