ALTER TABLE vn.expense
	ADD COLUMN IF NOT EXISTS code VARCHAR(25) DEFAULT NULL NULL,
	ADD CONSTRAINT expense_UN UNIQUE KEY IF NOT EXISTS (code);

CREATE TABLE IF NOT EXISTS sage.`taxType` (
	`id` int(11) NOT NULL,
	`code` varchar(25) DEFAULT NULL,
	`isIntracommunity` tinyint(1) NOT NULL DEFAULT 0,
	PRIMARY KEY (`id`),
	UNIQUE KEY `taxType_UN` (`code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
	COMMENT='Coincidencia del id con Sage.TiposIVA.CodigoIva(propia de Sage), en ningún caso vincular mediate FK';