fix bug

apps/exams/Lib/Model/ExamsPaperModel.class.php

@@ -42,7 +42,9 @@ class ExamsPaperModel extends Model
         }
 
         if ((int)$isApi === 2) {
-            $map['_string'] .= ' AND EXISTS ( SELECT exams_paper_id from el_exams_paper_options WHERE el_exams_paper_options.exams_paper_id =  el_exams_paper.exams_paper_id)';
+//            $map['_string'] .= ' AND ';
+            var_dump($map);
+            die;
         }
 
         $order         = isset($this->order_field[$order]) ? $this->order_field[$order] : $order;