Changeset 555

Timestamp:

Jun 2, 2008, 1:49:32 AM (16 years ago)

Author:

ecprice

Message:

Perform eager caching of machine properties.

Location:

trunk/packages/sipb-xen-database

Files:

• debian/changelog (modified) (1 diff)
• sipb_xen_database/models.py (modified) (1 diff)

trunk/packages/sipb-xen-database/debian/changelog

@@ +1 @@
+sipb-xen-database (10.8) unstable; urgency=low
+
+  * Eager loading of relations for better performance.
+
+ -- Eric Price <ecprice@pseudomyrmex.mit.edu>  Mon, 02 Jun 2008 01:39:11 -0400
+
 sipb-xen-database (10.8) unstable; urgency=low
 

trunk/packages/sipb-xen-database/sipb_xen_database/models.py

@@ -101 +101 @@
 
 assign_mapper(ctx, Machine, machine_table,
-              properties={'nics': relation(NIC, backref="machine"),
-                          'disks': relation(Disk, backref="machine"),
-                          'type': relation(Type),
-                          'acl': relation(MachineAccess, backref="machine")});
+              properties={'nics': relation(NIC, backref="machine", lazy=False),
+                          'disks': relation(Disk, backref="machine", lazy=False),
+                          'type': relation(Type, lazy=False),
+                          'acl': relation(MachineAccess, backref="machine", lazy=False)});
 assign_mapper(ctx, MachineAccess, machine_access_table)
 assign_mapper(ctx, NIC, nic_table)