From bff20ee0721d29f75a673e73d79a3718b28a301d Mon Sep 17 00:00:00 2001 From: huang Date: Fri, 18 Mar 2016 14:16:23 +0800 Subject: [PATCH] =?UTF-8?q?=E8=8B=B1=E9=9B=84=E6=A6=9C=E6=95=B0=E6=8D=AE?= =?UTF-8?q?=E6=98=BE=E7=A4=BA=E9=97=AE=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- app/helpers/courses_helper.rb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/app/helpers/courses_helper.rb b/app/helpers/courses_helper.rb index d98de27f6..37c7deb4c 100644 --- a/app/helpers/courses_helper.rb +++ b/app/helpers/courses_helper.rb @@ -865,7 +865,7 @@ module CoursesHelper # 学生按作业总分排序，取前8个 def hero_homework_score(course, score_sort_by) sql_select = "SELECT members.*,( - SELECT SUM(IF(student_works.final_score is null,null,student_works.final_score - student_works.absence_penalty - student_works.late_penalty)) + SELECT SUM(IF(student_works.final_score is null,null,IF(student_works.final_score = 0, 0, student_works.final_score - student_works.absence_penalty - student_works.late_penalty))) FROM student_works,homework_commons WHERE student_works.homework_common_id = homework_commons.id AND homework_commons.course_id = #{course.id}