discourse/db/migrate/20170330041605_add_index_to_topic_status_updates.rb
Guo Xiang Tan 34b7bee568 FEATURE: Allow admin to auto reopen at topic.
* This commit also introduces a `TopicStatusUpdate`
  model to support other forms of deferred topic
  status update in the future.
2017-03-31 11:14:18 +08:00

14 lines
326 B
Ruby

class AddIndexToTopicStatusUpdates < ActiveRecord::Migration
def up
execute <<~SQL
CREATE UNIQUE INDEX idx_topic_id_status_type_deleted_at
ON topic_status_updates(topic_id, status_type)
WHERE deleted_at IS NULL
SQL
end
def down
execute "DROP INDEX idx_topic_id_status_type_deleted_at"
end
end