Fixing problems on Millionaire with quiz

CHANGES.md

@@ -5,6 +5,7 @@ Changes in version 3.36.31.1 (2015123101)
 - Prevent Style Override of Crossword
 - Add missing language string game:addinstance
 - More RTL fixes
+- Fixing problems on Millionaire with quiz
 
 Changes in version 3.36.29.1 (2015122901)
 ------------------------------------------------------------------

millionaire/play.php

@@ -412,7 +412,7 @@ function game_millionaire_selectquestion( &$aanswer, $game, $attempt, &$milliona
 function game_millionaire_select_serial_question( $game, $table, $select, $idfields = "id", $level, $order) {
     global $DB, $USER;
 
-    $sql  = "SELECT $idfields,$id_fields FROM ".$table." WHERE $select ";
+    $sql  = "SELECT $idfields,$idfields FROM ".$table." WHERE $select ";
     if ($order != '') {
         $sql .= " ORDER BY $order";
     }

showanswers.php

@@ -198,11 +198,17 @@ function game_showanswers_question( $game, $context) {
 function game_showanswers_quiz( $game, $context) {
     global $CFG;
 
-    $select = "quiz='$game->quizid' ".
+    if (game_get_moodle_version() < '02.07') {
-        ' AND qqi.question=q.id'.
+        $select = "quiz='$game->quizid' ".
-        ' AND q.hidden=0'.
+            ' AND qqi.question=q.id'.
-        game_showanswers_appendselect( $game);
+            ' AND q.hidden=0'.
-    $table = '{question} q,{quiz_question_instances} qqi';
+            game_showanswers_appendselect( $game);
+        $table = '{question} q,{quiz_question_instances} qqi';
+    } else {
+        $select = "qs.quizid='$game->quizid' ".
+            " AND qs.questionid=q.id";
+        $table = "{question} q,{quiz_slots} qs";
+    }
 
     game_showanswers_question_select( $game, $table, $select, 'q.*', 'category,questiontext', false, $game->course, $context);
 }