Exercise: Don't limit query to get wrong answered questions - refs BT#19993

main/inc/lib/exercise.lib.php

@@ -6408,11 +6408,10 @@ EOT;
         return $total;
     }
 
-    public static function getWrongQuestionResults($courseId, $exerciseId, $sessionId = 0, $groups = [], $users = [], $limit = 10)
+    public static function getWrongQuestionResults($courseId, $exerciseId, $sessionId = 0, $groups = [], $users = [])
     {
         $courseId = (int) $courseId;
         $exerciseId = (int) $exerciseId;
-        $limit = (int) $limit;
 
         $questionTable = Database::get_course_table(TABLE_QUIZ_QUESTION);
         $attemptTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
@@ -6459,7 +6458,6 @@ EOT;
                     $userCondition
                 GROUP BY q.iid
                 ORDER BY count DESC
-                LIMIT $limit
         ";
 
         $result = Database::query($sql);

main/mySpace/question_stats_global_detail.php

@@ -98,7 +98,7 @@ function getCourseSessionRow($courseId, Exercise $exercise, $sessionId, $title)
         $sessionId
     );
 
-    //$questions = ExerciseLib::getWrongQuestionResults($courseId, $exerciseId, $sessionId, 10);
+    //$questions = ExerciseLib::getWrongQuestionResults($courseId, $exerciseId, $sessionId);
     return [
         'title' => $title,
         'correct_count' => $correctCount,