discourse/db/migrate/20160719002225_add_deleted_post_index_to_posts.rb

# frozen_string_literal: true

class AddDeletedPostIndexToPosts < ActiveRecord::Migration[4.2]
  def change
    add_index :posts,
              %i[topic_id post_number],
              where: "deleted_at IS NOT NULL",
              name: "idx_posts_deleted_posts"
  end
end
DEV: enable frozen string literal on all files This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging 2019-05-03 08:17:27 +10:00			`# frozen_string_literal: true`

Fix all the errors to get our tests green on Rails 5.1. 2017-08-31 12:06:56 +08:00			`class AddDeletedPostIndexToPosts < ActiveRecord::Migration[4.2]`
PERF: index for deleted posts in a topic to speed up has_deleted detection 2016-07-19 10:29:07 +10:00			`def change`
			`add_index :posts,`
			`%i[topic_id post_number],`
			`where: "deleted_at IS NOT NULL",`
			`name: "idx_posts_deleted_posts"`
			`end`
			`end`