From baaff3f98860d6b772920fcb73803a71cbc07f66 Mon Sep 17 00:00:00 2001 From: cxt Date: Fri, 13 May 2016 20:12:56 +0800 Subject: [PATCH] =?UTF-8?q?=E6=95=B0=E6=8D=AE=E8=BF=81=E7=A7=BB?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- db/migrate/20160513120002_delete_empty_apply_homework.rb | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/db/migrate/20160513120002_delete_empty_apply_homework.rb b/db/migrate/20160513120002_delete_empty_apply_homework.rb index b270582b1..f265521b9 100644 --- a/db/migrate/20160513120002_delete_empty_apply_homework.rb +++ b/db/migrate/20160513120002_delete_empty_apply_homework.rb @@ -4,8 +4,8 @@ class DeleteEmptyApplyHomework < ActiveRecord::Migration transaction do for i in 1 ... count do i ApplyHomework.page(i).per(30).each do |ah| - homework = HomeworkCommon.find ah.homework_common_id - if homework.nil? + homework = HomeworkCommon.where("id = ?",ah.homework_common_id) + if homework.empty? ah.destroy end end