discourse/db/migrate/20120703210004_add_bookmark_count_to_posts.rb
Sam Saffron 30990006a9 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
2019-05-13 09:31:32 +08:00

22 lines
1.1 KiB
Ruby

# frozen_string_literal: true
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