修改用户表测试属性

db/migrate/20190906062930_modify_is_test_for_user.rb

@@ -0,0 +1,5 @@
+class ModifyIsTestForUser < ActiveRecord::Migration[5.2]
+  def change
+    change_column :users, :is_test, :integer, :limit => 1
+  end
+end