From: toyomoyo <toyomoyo>
Date: Wed, 18 Jul 2007 06:21:55 +0000 (+0000)
Subject: negative grades might be used so use null check instead. might break other db so... 
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=1ad2f4125330ed3fe1da11617fe3152dec64e89a;p=moodle.git

negative grades might be used so use null check instead. might break other db so might need a sql_null() function or something similar
---

diff --git a/grade/report/grader/lib.php b/grade/report/grader/lib.php
index 4ece4997c7..41f836d751 100644
--- a/grade/report/grader/lib.php
+++ b/grade/report/grader/lib.php
@@ -771,7 +771,7 @@ class grade_report_grader extends grade_report {
                      $this->groupwheresql
                 AND ra.roleid in ($this->gradebookroles)
                 AND ra.contextid ".get_related_contexts_string($this->context)."
-                AND g.finalgrade >= 0
+                AND NOT g.finalgradeIS NULL
                 GROUP BY g.itemid";
 
             $groupsum = array();
@@ -858,7 +858,7 @@ class grade_report_grader extends grade_report {
                 WHERE gi.courseid = $this->courseid
                 AND ra.roleid in ($this->gradebookroles)
                 AND ra.contextid ".get_related_contexts_string($this->context)."
-                AND g.finalgrade >= 0
+                AND NOT g.finalgrade IS NULL
                 GROUP BY g.itemid";
 
             $classsum = array();