Oracle触发器实例代码

Oracle触发器实例代码

Oracle触发器，用于选单后修改选单的表的触发动作。

--备货检验选单后 回写备货状态
CREATE OR REPLACE TRIGGER tri_TobaccoStockINSERT
after INSERT
ON "TobaccoStockQuality"
FOR each ROW
BEGIN
UPDATE "GoodsStock" SET "FirstCheckState"=-1 WHERE "ID"=:NEW."GoodsStock_ID";
END;
--备货检验修改选单后 回写备货状态
CREATE OR REPLACE TRIGGER tri_TobaccoStockUPDATE
before UPDATE
ON "TobaccoStockQuality"
FOR each ROW
BEGIN
UPDATE "GoodsStock" SET "FirstCheckState"=decode(to_number(:NEW."AuditStatus"),0,-1) WHERE "ID"=:NEW."GoodsStock_ID";
IF :NEW."GoodsStock_ID"<>:OLD."GoodsStock_ID" THEN
UPDATE "GoodsStock" SET "FirstCheckState"=-1 WHERE "ID"=:OLD."GoodsStock_ID";
END IF;
END;
--备货检验删除单据后 回写备货状态
CREATE OR REPLACE TRIGGER tri_TobaccoStockDELETE
before DELETE
ON "TobaccoStockQuality"
FOR each ROW
BEGIN
UPDATE "GoodsStock" SET "FirstCheckState"=-1 WHERE "ID"=:OLD."GoodsStock_ID";
END;

以上所述是小编给大家介绍的Oracle触发器实例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持！