discourse/db/migrate/20140707071913_add_self_edi...

13 lines
348 B
Ruby

class AddSelfEditsToPosts < ActiveRecord::Migration[4.2]
def up
add_column :posts, :self_edits, :integer, null: false, default: 0
execute "
UPDATE posts p SET self_edits = (SELECT COUNT(*) FROM post_revisions pr WHERE pr.post_id = p.id AND pr.user_id=p.user_id)
"
end
def down
remove_column :posts, :self_edits
end
end