discourse/db/migrate/20120703210004_add_bookmark...

20 lines
1.1 KiB
Ruby

class AddBookmarkCountToPosts < ActiveRecord::Migration[4.2]
def change
add_column :posts, :bookmark_count, :integer, default: 0, null: false
add_column :forum_threads, :bookmark_count, :integer, default: 0, null: false
add_column :forum_threads, :star_count, :integer, default: 0, null: false
execute "UPDATE posts SET bookmark_count = (SELECT COUNT(*)
FROM bookmarks
WHERE post_number = posts.post_number AND forum_thread_id = posts.forum_thread_id)"
execute "UPDATE forum_threads SET bookmark_count = (SELECT COUNT(*)
FROM bookmarks
WHERE forum_thread_id = forum_threads.id)"
execute "UPDATE forum_threads SET star_count = (SELECT COUNT(*)
FROM forum_thread_users
WHERE forum_thread_id = forum_threads.id AND starred = true)"
end
end