Fixed issue #7796: Statistics crash on numerical answers

LimeSurvey · May 10, 2013 · 12f90d2 · 12f90d2
1 parent ae29d9f
commit 12f90d2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/application/helpers/admin/statistics_helper.php b/application/helpers/admin/statistics_helper.php
@@ -1047,7 +1047,7 @@ protected function buildOutputList($rt, $language, $surveyid, $outputType, $sql,
                 elseif (incompleteAnsFilterState() == "complete") {$query .= " AND submitdate is not null";}
 
                 //$sql was set somewhere before
-                if ($sql != "NULL") {$query .= " AND $sql";}
+                if (!empty($sql)) {$query .= " AND $sql";}
 
                 //execute query
                 $result=Yii::app()->db->createCommand($query)->queryAll();
@@ -3528,7 +3528,7 @@ protected function getQuartile($quartile, $fieldname, $surveyid, $sql, $excludez
             }
 
             //if $sql values have been passed to the statistics script from another script, incorporate them
-            if ($sql != "NULL") {$query .= " AND $sql";}
+            if (!empty($sql)) {$query .= " AND $sql";}
         }
 
         if ($surveyid !== $sid) {