DowntimeQuery: Add query column `instance_name'

refs #9943

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

@@ -30,7 +30,8 @@ class DowntimeQuery extends IdoQuery
             'downtime_scheduled_end'    => 'd.downtime_scheduled_end',
             'downtime_scheduled_start'  => 'd.downtime_scheduled_start',
             'downtime_start'            => 'd.downtime_start',
-            'object_type'               => 'd.object_type'
+            'object_type'               => 'd.object_type',
+            'instance_name'             => 'd.instance_name'
         ),
         'hosts' => array(
             'host_display_name'         => 'd.host_display_name',

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

@@ -17,6 +17,9 @@ class HostdowntimeQuery extends IdoQuery
      * {@inheritdoc}
      */
     protected $columnMap = array(
+        'instances' => array(
+            'instance_name' => 'i.instance_name'
+        ),
         'downtimes' => array(
             'downtime_author'           => 'sd.author_name COLLATE latin1_general_ci',
             'downtime_author_name'      => 'sd.author_name',
@@ -157,6 +160,18 @@ class HostdowntimeQuery extends IdoQuery
         );
     }
 
+    /**
+     * Join instances
+     */
+    protected function joinInstances()
+    {
+        $this->select->join(
+            array('i' => $this->prefix . 'instances'),
+            'i.instance_id = sd.instance_id',
+            array()
+        );
+    }
+
     /**
      * {@inheritdoc}
      */

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

@@ -17,6 +17,9 @@ class ServicedowntimeQuery extends IdoQuery
      * {@inheritdoc}
      */
     protected $columnMap = array(
+        'instances' => array(
+            'instance_name' => 'i.instance_name'
+        ),
         'downtimes' => array(
             'downtime_author'           => 'sd.author_name COLLATE latin1_general_ci',
             'downtime_author_name'      => 'sd.author_name',
@@ -171,6 +174,18 @@ class ServicedowntimeQuery extends IdoQuery
         );
     }
 
+    /**
+     * Join instances
+     */
+    protected function joinInstances()
+    {
+        $this->select->join(
+            array('i' => $this->prefix . 'instances'),
+            'i.instance_id = sd.instance_id',
+            array()
+        );
+    }
+
     /**
      * {@inheritdoc}
      */

modules/monitoring/library/Monitoring/DataView/Downtime.php

@@ -14,6 +14,7 @@ class Downtime extends DataView
     public function getColumns()
     {
         return array(
+            'instance_name',
             'downtime_author_name',
             'downtime_comment',
             'downtime_duration',