mysql触发器_begin end 执行多次语句

//多SQL中导出的触发器语句：
DROP TRIGGER IF EXISTS `t_trig`;
DELIMITER //
CREATE TRIGGER `t_trig` BEFORE INSERT ON `t_goods`
 FOR EACH ROW beginset NEW.add_date = current_date();INSERT INTO test2 SET a2 = NEW.id;end
//
DELIMITER ;

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//在删除一个终端调研时触发删除销售体验和竞品分析
DELIMITER //
CREATE TRIGGER	`delete_assistant_research` BEFORE DELETE ON `tb_assistant_research`
FOR EACH ROW begin
DELETE FROM `tb_assistant_experience` WHERE `research_id` = old.id;
DELETE FROM `tb_assistant_compete_analyse` WHERE `research_id` = old.id;
end
//
DELIMITER;

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//在删除一个竞品商品时， 删除该竞品商品的竞品分析数据
DELIMITER
CREATE TRIGGER `delete_product` AFTER DELETE ON	`tb_assistant_compete_product`
FOR EACH ROW begin
DELETE FROM `tb_assistant_compete_analyse` WHERE `product_id` = old.id;
end
DELIMITER;

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//在删除某一家门店时，删除该门店的巡店和终端调研
//本地服务器118所需要的触发器语句
DROP TRIGGER IF EXISTS `delete_assistant_store`;
DELIMITER //
CREATE TRIGGER	`delete_assistant_store` AFTER DELETE ON `tb_assistant_store`
FOR EACH ROW begin
DELETE FROM `tb_assistant_visitstore` WHERE `store_id` = old.id;
DELETE FROM `tb_assistant_research` WHERE `store_id` = old.id;
end
//
DELIMITER;

远程服务器:121.199.167.212所导出的触发器
DROP TRIGGER IF EXISTS `delete_assistant_store`//
CREATE TRIGGER `delete_assistant_store` AFTER DELETE ON `tb_assistant_store`
 FOR EACH ROW begin
DELETE FROM `tb_assistant_visitstore` WHERE `store_id` = old.id;
DELETE FROM `tb_assistant_research` WHERE `store_id` = old.id;
end
//

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在删除某一个流程时，需要删除对应该流程的备注信息
sign=1删除巡店 sign=2删除销售体验 sign=3删除竞品分析

//以后用标准格式
DROP TRIGGER IF EXISTS `delete_assistant_option`;
delimiter //
CREATE TRIGGER	`delete_assistant_option` AFTER DELETE ON `tb_assistant_option`
FOR EACH ROW BEGIN

IF old.sign=1 THEN
  DELETE FROM `tb_assistant_visitstore_message` WHERE `option_id` = old.id;
ELSEIF old.sign=2 THEN
  DELETE FROM `tb_assistant_experience_message` WHERE `option_id` = old.id;
ELSEIF old.sign=3 THEN
  DELETE FROM `tb_assistant_compete_analyse_message` WHERE `option_id` = old.id;
END IF;

END;
//
delimiter ;

标准格式，版主给的
delimiter //
CREATE TRIGGER testref BEFORE INSERT ON test1
  FOR EACH ROW BEGIN
    INSERT INTO test2 SET a2 = NEW.a1;
    DELETE FROM test3 WHERE a3 = NEW.a1;
    UPDATE test4 SET b4 = b4 + 1 WHERE a4 = NEW.a1;
  END;
//
delimiter ;