ServicegroupQuery: Improve JOIN performance

refs #9009

modules/monitoring/library/Monitoring/Backend/Ido/Query/ServicegroupQuery.php

@@ -49,15 +49,8 @@ class ServicegroupQuery extends IdoQuery
             array()
         )->join(
             array('sgo' => $this->prefix . 'objects'),
-            'sg.servicegroup_object_id = sgo.object_id',
+            'sg.servicegroup_object_id = sgo.object_id AND sgo.is_active = 1 AND sgo.objecttype_id = 4',
             array()
-        )->where(
-            'sgo.is_active = ?',
-            1
-        )
-        ->where(
-            'sgo.objecttype_id = ?',
-            4
         );
         $this->joinedVirtualTables = array('servicegroups' => true);
     }
@@ -78,15 +71,8 @@ class ServicegroupQuery extends IdoQuery
             array()
         )->join(
             array('hgo' => $this->prefix . 'objects'),
-            'hgo.object_id = hg.hostgroup_object_id',
+            'hgo.object_id = hg.hostgroup_object_id AND hgo.is_active = 1 AND hgo.objecttype_id = 3',
             array()
-        )->where(
-            'hgo.is_active = ?',
-            1
-        )
-        ->where(
-            'hgo.objecttype_id = ?',
-            3
         );
     }