mysql觸發器_begin end 執行屢次語句

//多SQL中導出的觸發器語句：
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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//在刪除一個終端調研時觸發刪除銷售體驗和競品分析
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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//在刪除一個競品商品時， 刪除該競品商品的競品分析數據
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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//在刪除某一家門店時，刪除該門店的巡店和終端調研
//本地服務器118所須要的觸發器語句
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;


遠程服務器:121.199.167.212所導出的觸發器
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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在刪除某一個流程時，須要刪除對應該流程的備註信息
sign=1刪除巡店 sign=2刪除銷售體驗 sign=3刪除競品分析

//之後用標準格式
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 ;







標準格式，版主給的
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 ;