SQL SERVER 游标的使用

--基于查询声明游标
declare cur CURSOR FOR
select id from OrderProducts where OrderCode =@OrderCode
    --select @OrderProductsId = id from OrderProducts where OrderCode [email protected]

    --打开游标
    OPEN cur
    --读取下一个游标
    FETCH NEXT FROM cur INTO @OrderProductsId

    --遍历游标记录，直至到达游标的末尾
    WHILE (@@FETCH_STATUS = 0)
    BEGIN
IF @OrderProductsId <> ‘‘ or @OrderProductsId is not null
begin
   IF NOT EXISTS(SELECT 1 FROM OrderProducts WHERE IsInvented=0 AND id=@OrderProductsId) /*判断订单号是否是虚拟商品*/
BEGIN
SET @error=-1080;
GOTO FailedLabel;
END

end   

FETCH NEXT FROM cur INTO @OrderProductsId
END

--关闭游标
CLOSE cur
--释放游标
DEALLOCATE cur

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