我尝试在 HsqlDB 中构建这个触发器,没有 SELECT 语句它工作正常但是当我输入一个选择语句时,我得到了这个错误意外令牌:FROM required: INTO
CREATE TRIGGER PUBLIC.TRIGGERNAME AFTER UPDATE ON PUBLIC.CLIENTE_OFFERENTE
REFERENCING NEW ROW AS NUOVO
FOR EACH ROW
BEGIN ATOMIC
IF NUOVO.STATO='Venduto'
THEN
(SELECT IDIMMOBILE AS IDIMM FROM OFFERTA WHERE IDOFFERTA=NUOVO.IDOFFERTA);
INSERT INTO PUBLIC.VENDITE(IDCLIENTE,IDIMMOBILE)VALUES(NUOVO.IDCLIENTE,IDIMM);END IF;END$