discourse/db/migrate/20120523184307_add_replies_to_forum_threads.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

10 lines
368 B
Ruby

# frozen_string_literal: true
class AddRepliesToForumThreads < ActiveRecord::Migration[4.2]
def change
add_column :forum_threads, :reply_count, :integer, default: 0, null: false
execute "UPDATE forum_threads SET reply_count = (SELECT COUNT(*) FROM posts WHERE posts.reply_to_post_number IS NOT NULL AND posts.forum_thread_id = forum_threads.id)"
end
end