Index: trunk/packages/invirt-database/python/database/models.py
===================================================================
--- trunk/packages/invirt-database/python/database/models.py	(revision 2143)
+++ trunk/packages/invirt-database/python/database/models.py	(revision 2150)
@@ -89,10 +89,10 @@
 owners_table = Table('owners', meta,
        Column('owner_id', String, primary_key=True, nullable=False),
-       Column('ram_quota_total', Integer, nullable=True),
-       Column('ram_quota_single', Integer, nullable=True),
-       Column('disk_quota_total', Integer, nullable=True),
-       Column('disk_quota_single', Integer, nullable=True),
-       Column('vms_quota_total', Integer, nullable=True),
-       Column('vms_quota_active', Integer, nullable=True))
+       Column('ram_quota_total', Integer, nullable=True, default=None),
+       Column('ram_quota_single', Integer, nullable=True, default=None),
+       Column('disk_quota_total', Integer, nullable=True, default=None),
+       Column('disk_quota_single', Integer, nullable=True, default=None),
+       Column('vms_quota_total', Integer, nullable=True, default=None),
+       Column('vms_quota_active', Integer, nullable=True, default=None))
 
 machine_access_table = Table('machine_access', meta,