From 290df45c79bce27c4985f1b6d9d44ae59778ad4e Mon Sep 17 00:00:00 2001 From: huang Date: Fri, 25 Aug 2017 20:10:11 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E8=BF=81=E7=A7=BB500?= =?UTF-8?q?=E9=97=AE=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- db/migrate/20170825113413_modify_support_shixuns_for_major.rb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/db/migrate/20170825113413_modify_support_shixuns_for_major.rb b/db/migrate/20170825113413_modify_support_shixuns_for_major.rb index 25028fa07..f29f16808 100644 --- a/db/migrate/20170825113413_modify_support_shixuns_for_major.rb +++ b/db/migrate/20170825113413_modify_support_shixuns_for_major.rb @@ -2,7 +2,7 @@ class ModifySupportShixunsForMajor < ActiveRecord::Migration def up sql = "SELECT distinct(major_id) FROM `major_courses`" MajorCourse.find_by_sql(sql).each do |mc| - Major.where(:id => mc).update_column(:support_shixuns, 1) + Major.where(:id => mc.try(:major_id)).first.update_column(:support_shixuns, 1) end end