From ff5696e7a6aeb3c4b396546b80073545a7256b1b Mon Sep 17 00:00:00 2001
From: Matthias Jentsch <matthias.jentsch@netways.de>
Date: Mon, 28 Sep 2015 15:00:03 +0200
Subject: [PATCH] Do not validate existence of customvar columns

Improve performance and solve issues with differences in customvar case sensitivitty among different versions.

refs #10172
---
 modules/monitoring/library/Monitoring/DataView/DataView.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/monitoring/library/Monitoring/DataView/DataView.php b/modules/monitoring/library/Monitoring/DataView/DataView.php
index 845aa4db4..97879d53d 100644
--- a/modules/monitoring/library/Monitoring/DataView/DataView.php
+++ b/modules/monitoring/library/Monitoring/DataView/DataView.php
@@ -185,7 +185,11 @@ abstract class DataView implements QueryInterface, SortRules, FilterColumns, Ite
      */
     public function isValidFilterTarget($column)
     {
-        return in_array($column, $this->getFilterColumns());
+        // Customvar
+        if ($column[0] === '_' && preg_match('/^_(?:host|service)_/', $column)) {
+            return true;
+        }
+        return in_array($column, $this->getColumns()) || in_array($column, $this->getStaticFilterColumns());
     }
 
     /**