From 879b2331e11ff90030c514aa5eb1459004ff14c3 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Mon, 4 Mar 2013 11:50:06 +0100
Subject: Generate simpler query for MSSQL when offset in limit clause is not
 set

---
 program/lib/Roundcube/rcube_db_mssql.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/program/lib/Roundcube/rcube_db_mssql.php b/program/lib/Roundcube/rcube_db_mssql.php
index 84fe22bbc..a1ce80a87 100644
--- a/program/lib/Roundcube/rcube_db_mssql.php
+++ b/program/lib/Roundcube/rcube_db_mssql.php
@@ -110,6 +110,10 @@ class rcube_db_mssql extends rcube_db
 
         $query = preg_replace('/^SELECT\s/i', 'SELECT TOP ' . ($limit + $offset) . ' ', $query);
 
+        if (!$offset) {
+            return $query;
+        }
+
         $query = 'SELECT * FROM (SELECT TOP ' . $limit . ' * FROM (' . $query . ') AS inner_tbl';
         if ($orderby !== false) {
             $query .= ' ORDER BY ' . $order . ' ';
-- 
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