Updated openstack/openstack
Project: openstack/ceilometer  3fcfed67da2aabaf8c8defdb52bf108601aa1afb

Fix columns migrating for PostgreSQL

Columns generated in event table and t_datetime in
trait table shouldn't be type of double precision.

Change-Id: Ib9c5c8de034b5d1ccaa070b6de7c0d682160200c
Closes-Bug: #1337851