File 0006-fix-list_availability_zones-for-postgresq.... of Package openstack-neutron

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File 0006-fix-list_availability_zones-for-postgresq.patch of Package openstack-neutron

From 5b9fe3494a80b3185b5d35dccbc71132211dd989 Mon Sep 17 00:00:00 2001
From: Ann Kamyshnikova <akamyshnikova@mirantis.com>
Date: Tue, 4 Oct 2016 11:20:27 +0300
Subject: Fix _list_availability_zones for PostgreSQL

For PostgreSQL  _list_availability_zones crashes if you're using
GROUP BY without object id. Use with_entities to use group_by
correctly.

Closes-bug: #1616793

Change-Id: Ibc09666bc5863a1980acd0a34d6545841a93a481
---
 neutron/db/agents_db.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/neutron/db/agents_db.py b/neutron/db/agents_db.py
index 4b97f53..f02b85d 100644
--- a/neutron/db/agents_db.py
+++ b/neutron/db/agents_db.py
@@ -128,9 +128,9 @@ class AgentAvailabilityZoneMixin(az_ext.AvailabilityZonePluginBase):
     def _list_availability_zones(self, context, filters=None):
         result = {}
         query = self._get_collection_query(context, Agent, filters=filters)
-        for agent in query.group_by(Agent.admin_state_up,
-                                    Agent.availability_zone,
-                                    Agent.agent_type):
+        columns = (Agent.admin_state_up, Agent.availability_zone,
+                   Agent.agent_type)
+        for agent in query.with_entities(*columns).group_by(*columns):
             if not agent.availability_zone:
                 continue
             if agent.agent_type == constants.AGENT_TYPE_DHCP:

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File 0006-fix-list_availability_zones-for-postgresq.patch of Package openstack-neutron

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