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Cleanup invalid likes without target

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Benjamin Neff 2017-09-14 22:32:46 +02:00
parent 028199a6f3
commit 00296ffda5
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1 changed files with 13 additions and 0 deletions
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db/migrate/20170914202650_cleanup_invalid_likes.rb Normal file
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# frozen_string_literal: true
class CleanupInvalidLikes < ActiveRecord::Migration[5.1]
class Like < ApplicationRecord
end
def up
Like.where(target_type: "Post").joins("LEFT OUTER JOIN posts ON posts.id = likes.target_id")
.where("posts.id IS NULL").delete_all
Like.where(target_type: "Comment").joins("LEFT OUTER JOIN comments ON comments.id = likes.target_id")
.where("comments.id IS NULL").delete_all
end
end