From 7cbcb91fd7b89a2c3496d482d97187a3dad78fb2 Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@netways.de>
Date: Mon, 15 Jun 2015 16:53:22 +0200
Subject: [PATCH] DataView\Eventhistory: Allow to filter for custom variables

refs #9009
---
 .../library/Monitoring/DataView/Eventhistory.php     | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/modules/monitoring/library/Monitoring/DataView/Eventhistory.php b/modules/monitoring/library/Monitoring/DataView/Eventhistory.php
index b826b535c..223e1d7d1 100644
--- a/modules/monitoring/library/Monitoring/DataView/Eventhistory.php
+++ b/modules/monitoring/library/Monitoring/DataView/Eventhistory.php
@@ -5,6 +5,18 @@ namespace Icinga\Module\Monitoring\DataView;
 
 class EventHistory extends DataView
 {
+    /**
+     * {@inheritdoc}
+     */
+    public function isValidFilterTarget($column)
+    {
+        if ($column[0] === '_' && preg_match('/^_(?:host|service)_/', $column)) {
+            return true;
+        }
+
+        return parent::isValidFilterTarget($column);
+    }
+
     /**
      * Retrieve columns provided by this view
      *