Oracle触发器实例代码

--备货检验选单后 回写备货状态
CREATE OR REPLACE TRIGGER tri_TobaoStockINSERT
after INSERT
ON "TobaoStockQuality"
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_TobaoStockUPDATE
before UPDATE
ON "TobaoStockQuality"
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_TobaoStockDELETE
before DELETE
ON "TobaoStockQuality"
FOR each ROW
BEGIN
UPDATE "GoodsStock" SET "FirstCheckState"=-1 WHERE "ID"=:OLD."GoodsStock_ID";
END;