小程序实训首页排序问题

db/migrate/20200114110655_modify_wechat_support_for_shixuns.rb

@@ -0,0 +1,8 @@
+class ModifyWechatSupportForShixuns < ActiveRecord::Migration[5.2]
+  def change
+    name = ["Python基础", "C语言基础", "C++基础", "Java"]
+    shixuns = Shixun.includes(:tag_repertoires)
+                  .where(tag_repertoires: {name: name}, shixuns: {status: 2, hide_code: false})
+    shixuns.update_all(is_wechat_support: true)
+  end
+end