commit 8635182314b39dd42be7f462e350fd6fe76721e5
Author: Bernhard M. Wiedemann <bernhard+gitcommit lsmod.de>
Date:   Thu Mar 29 15:28:15 2012 +0200

    fixed postgresql flavor-create
    
    fixes LP:968190
    nova flavor-create failed on postgresql DB
    because sqlalchemy tried to write an integer into a varchar field
    
    Signed-Off-By: Bernhard M. Wiedemann <bwiedemann suse.com>

diff --git a/nova/compute/instance_types.py b/nova/compute/instance_types.py
index fa001f2..6be0873 100644
--- a/nova/compute/instance_types.py
+++ b/nova/compute/instance_types.py
@@ -66,7 +66,7 @@ def create(name, memory, vcpus, root_gb, ephemeral_gb, flavorid, swap=None,
             raise exception.InvalidInput(reason=msg)
 
     kwargs['name'] = name
-    kwargs['flavorid'] = flavorid
+    kwargs['flavorid'] = str(flavorid)
 
     try:
         return db.instance_type_create(context.get_admin_context(), kwargs)