discourse/db/migrate/20120704201743_add_view_count_to_posts.rb

class AddViewCountToPosts < ActiveRecord::Migration
  def change
    add_column :posts, :views, :integer, default: 0, null: false

    execute "UPDATE posts SET views =
              (SELECT COUNT(*) FROM post_timings WHERE forum_thread_id = posts.forum_thread_id AND post_number = posts.post_number)"
  end
end
Initial release of Discourse 2013-02-06 03:16:51 +08:00			`class AddViewCountToPosts < ActiveRecord::Migration`
			`def change`
			`add_column :posts, :views, :integer, default: 0, null: false`

remove trailing whitespaces :heart: 2013-02-26 00:42:20 +08:00			`execute "UPDATE posts SET views =`
Initial release of Discourse 2013-02-06 03:16:51 +08:00			`(SELECT COUNT(*) FROM post_timings WHERE forum_thread_id = posts.forum_thread_id AND post_number = posts.post_number)"`
			`end`
			`end`