From 6c0bb47639d84467553c4dad3e83de7bd16cf16a Mon Sep 17 00:00:00 2001
From: jingquan huang <huang.jingquan@163.com>
Date: Fri, 19 Jul 2019 23:01:20 +0800
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---
 db/migrate/20190309085449_migrate_course_members.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/db/migrate/20190309085449_migrate_course_members.rb b/db/migrate/20190309085449_migrate_course_members.rb
index 1d28eb5d1..aeb633310 100644
--- a/db/migrate/20190309085449_migrate_course_members.rb
+++ b/db/migrate/20190309085449_migrate_course_members.rb
@@ -1,6 +1,6 @@
 class MigrateCourseMembers < ActiveRecord::Migration[5.2]
   def change
-    add_column :course_groups, :position, :integer, default: 0
+    # add_column :course_groups, :position, :integer, default: 0
 
     Course.find_each do |course|
       position = 1