discourse/db/migrate/20141020153415_add_public_version_to_posts.rb

# frozen_string_literal: true

class AddPublicVersionToPosts < ActiveRecord::Migration[4.2]
  def up
    add_column :posts, :public_version, :integer, null: false, default: 1

    execute <<-SQL
      UPDATE posts
         SET public_version = 1 + (SELECT COUNT(*) FROM post_revisions pr WHERE post_id = posts.id AND pr.hidden = 'f')
       WHERE public_version <> 1 + (SELECT COUNT(*) FROM post_revisions pr WHERE post_id = posts.id AND pr.hidden = 'f')
    SQL
  end

  def down
    remove_column :posts, :public_version
  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 06:17:27 +08:00			`# 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 AddPublicVersionToPosts < ActiveRecord::Migration[4.2]`
LOTS of changes to properly handle post/topic revisions FIX: history revision can now properly be hidden FIX: PostRevision serializer is now entirely dynamic to properly handle hidden revisions FIX: default history modal to "side by side" view on mobile FIX: properly hiden which revision has been hidden UX: inline category/user/wiki/post_type changes with the revision details FEATURE: new '/posts/:post_id/revisions/latest' endpoint to retrieve latest revision UX: do not show the hide/show revision button on mobile (no room for them) UX: remove CSS transitions on the buttons in the history modal FIX: PostRevisor now handles all the changes that might create new revisions FIX: PostRevision.ensure_consistency! was wrong due to off by 1 mistake... refactored topic's callbacks for better readability extracted 'PostRevisionGuardian' 2014-10-28 05:06:43 +08:00			`def up`
			`add_column :posts, :public_version, :integer, null: false, default: 1`

			`execute <<-SQL`
			`UPDATE posts`
			`SET public_version = 1 + (SELECT COUNT(*) FROM post_revisions pr WHERE post_id = posts.id AND pr.hidden = 'f')`
			`WHERE public_version <> 1 + (SELECT COUNT(*) FROM post_revisions pr WHERE post_id = posts.id AND pr.hidden = 'f')`
			`SQL`
			`end`

			`def down`
			`remove_column :posts, :public_version`
			`end`
			`end`