Fixed issue: Sorting problem in MSSQL when browsing free text responses

LimeSurvey · Nov 30, 2012 · 1ffa7c4 · 1ffa7c4
1 parent 7db126f
commit 1ffa7c4
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/application/controllers/admin/statistics.php b/application/controllers/admin/statistics.php
@@ -509,8 +509,20 @@ function listcolumn($surveyid, $column, $sortby="", $sortmethod="", $sorttype=""
             }
         }
 
-        if($sorttype=='N') {$sortby = "($sortby * 1)";} //Converts text sorting into numerical sorting
-        if($sortby != "") $search['order']=$sortby.' '.$sortmethod;
+        if ($sortby!='') 
+        {
+            if ($sDBDriverName=='sqlsrv' || $sDBDriverName=='mssql')
+            {
+                $sortby="CAST(".Yii::app()->db->quoteColumnName($sortby)." as varchar)";
+            }
+            else
+            {            
+                $sortby=Yii::app()->db->quoteColumnName($sortby);    
+            }
+
+            if($sorttype=='N') {$sortby = "($sortby * 1)";} //Converts text sorting into numerical sorting
+            $search['order']=$sortby.' '.$sortmethod;
+        }
         $results=Survey_dynamic::model($surveyid)->findAll($search);
         $output=array();
         foreach($results as $row) {