From 70b28f07bb60e3e87f3907f1e742e302cdb7e316 Mon Sep 17 00:00:00 2001
From: huang <huang.jingquan@163.com>
Date: Sun, 27 Aug 2017 10:34:59 +0800
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---
 db/migrate/20170827023117_managements_zhuanye.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 db/migrate/20170827023117_managements_zhuanye.rb

diff --git a/db/migrate/20170827023117_managements_zhuanye.rb b/db/migrate/20170827023117_managements_zhuanye.rb
new file mode 100644
index 000000000..38c270f63
--- /dev/null
+++ b/db/migrate/20170827023117_managements_zhuanye.rb
@@ -0,0 +1,12 @@
+class ManagementsZhuanye < ActiveRecord::Migration
+  def up
+    sql = "SELECT distinct(major_id) FROM `major_courses`"
+    MajorCourse.where("0=0").update_all(:support_shixuns, 0)
+    MajorCourse.find_by_sql(sql).each do |mc|
+      Major.where(:id => mc.try(:major_id)).first.update_column(:support_shixuns, 1)
+    end
+  end
+
+  def down
+  end
+end