discourse/db/migrate/20120523184307_add_replies_...

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class AddRepliesToForumThreads < ActiveRecord::Migration[4.2]
2013-02-05 14:16:51 -05:00
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