class AddPublicIndexToStatuses < ActiveRecord::Migration[5.2] disable_ddl_transaction! def up add_index :statuses, [:id, :account_id], name: :index_statuses_public_20200119, algorithm: :concurrently, order: { id: :desc }, where: 'deleted_at IS NULL AND visibility = 0 AND reblog_of_id IS NULL AND ((NOT reply) OR (in_reply_to_account_id = account_id))' end def down remove_index :statuses, name: :index_statuses_public_20200119 end end