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db/migrate/20200117095750_modify_1_wechat_support_for_shixuns.rb

@@ -0,0 +1,13 @@
+class Modify1WechatSupportForShixuns < ActiveRecord::Migration[5.2]
+  def change
+      shixuns = Shixun.joins(:challenges).where(is_wechat_support: true)
+                    .select("shixuns.*, challenges.path path")
+      shixuns.each do |shixun|
+        if shixun.path.split("；").count > 1
+          shixun.update_attribute(:is_wechat_support, false)
+        end
+      end
+      Shixun.joins(:challenges).where(challenges: {st: 1}).update_all(is_wechat_support: false)
+
+  end
+end