From 66ee5fb3251099dfcb590b6c73db5bd5ac655bbf Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Tue, 24 Jan 2017 10:58:53 +0100
Subject: [PATCH] IcingaZoneTable: use subquery count()

fixes #742
---
 application/tables/IcingaZoneTable.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/application/tables/IcingaZoneTable.php b/application/tables/IcingaZoneTable.php
index c9f1dd7d..0a44b122 100644
--- a/application/tables/IcingaZoneTable.php
+++ b/application/tables/IcingaZoneTable.php
@@ -40,6 +40,20 @@ class IcingaZoneTable extends IcingaObjectTable
         );
     }
 
+    public function count()
+    {
+        $db = $this->db();
+        $sub = clone($this->getBaseQuery());
+        $sub->columns($this->getColumns());
+        $this->applyFiltersToQuery($sub);
+        $query = $db->select()->from(
+            array('sub' => $sub),
+            'COUNT(*)'
+        );
+
+        return $db->fetchOne($query);
+    }
+
     public function getBaseQuery()
     {
         return $this->db()->select()->from(