获取最大的分数

application/wap/controller/Studyplan.php

@@ -127,7 +127,7 @@ class Studyplan extends AuthController{
                         ['ExaminationRecord er', 'er.test_id = r.relation_id and er.uid = ' . $this->uid, 'left'],
                     ];
                     $examlist = Relation::alias('r')->where('r.relationship_id', $v1['id'])->where('r.relationship', 2)
-                    ->field('r.relation_id as test_id, er.score')->join($join)->select();
+                    ->field('r.relation_id as test_id, MAX(er.score) as score')->join($join)->group('r.relation_id')->select();
                     if ($examlist) {
                         foreach ($examlist as $item) {
                             if ($item['score'] < 60) {