class AddIndexOnMediaAttachmentsAccountIdStatusId < ActiveRecord::Migration[5.2] disable_ddl_transaction! def up add_index :media_attachments, [:account_id, :status_id], order: { status_id: :desc }, algorithm: :concurrently remove_index :media_attachments, :account_id, algorithm: :concurrently end def down add_index :media_attachments, :account_id, algorithm: :concurrently remove_index :media_attachments, [:account_id, :status_id], order: { status_id: :desc }, algorithm: :concurrently end end