Merge "Use explicit inner join for networks in port query" into stable/yoga

Author: Zuul

neutron/db/db_base_plugin_v2.py

@@ -110,11 +110,18 @@ def _update_subnetpool_dict(orig_pool, new_pool):
     return updated
 
 
+def _port_query_hook(context, original_model, query):
+    # Apply the port query only in non-admin and non-advsvc context
+    if ndb_utils.model_query_scope_is_project(context, original_model):
+        query = query.join(models_v2.Network,
+                           models_v2.Network.id == models_v2.Port.network_id)
+    return query
+
+
 def _port_filter_hook(context, original_model, conditions):
     # Apply the port filter only in non-admin and non-advsvc context
     if ndb_utils.model_query_scope_is_project(context, original_model):
         conditions |= and_(
-            models_v2.Port.network_id == models_v2.Network.id,
             models_v2.Network.project_id == context.project_id)
     return conditions
 
@@ -150,7 +157,7 @@ def __new__(cls, *args, **kwargs):
         model_query.register_hook(
             models_v2.Port,
             "port",
-            query_hook=None,
+            query_hook=_port_query_hook,
             filter_hook=_port_filter_hook,
             result_filters=None)
         return super(NeutronDbPluginV2, cls).__new__(cls, *args, **kwargs)