MDL-14201 "Summary graph" - small improvement to robustness for sql.

Merged from 1.9 branch.

diff --git a/mod/quiz/report/reportlib.php b/mod/quiz/report/reportlib.php
index 2324ea444b270423b5d4a3c01144ac3c03e7c19a..f6dd86993275be7092ddf17e49f1a32e05e2f00e 100644 (file)
--- a/mod/quiz/report/reportlib.php
+++ b/mod/quiz/report/reportlib.php
@@ -115,7 +115,7 @@ function quiz_report_grade_bands($bands, $quizid, $useridlist){
     FROM
         mdl_quiz_grades qg, 
         mdl_quiz q
-    WHERE qg.quiz = q.id AND quiz = $quizid AND qg.userid IN ($useridlist)
+    WHERE qg.quiz = q.id AND qg.quiz = $quizid AND qg.userid IN ($useridlist)
     GROUP BY band
     ORDER BY band";
     $data = get_records_sql_menu($sql);