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CODE:
CREATE PROCEDURE dbo.ProductListUpdateSpecialList
@ProductId_Array varChar(800), @ModuleId int AS DECLARE @PointerPrev int DECLARE @PointerCurr int DECLARE @TId int Set @PointerPrev=1 set @PointerCurr=1 begin transaction Set NoCount ON delete from ProductListSpecial where ModuleId=@ModuleId Set @PointerCurr=CharIndex(',',@ProductId_Array,@PointerPrev+1) set @TId=cast(SUBSTRING(@ProductId_Array,@PointerPrev,@PointerCurr-@PointerPrev) as int) Insert into ProductListSpecial (ModuleId,ProductId) Values(@ModuleId,@TId) SET @PointerPrev = @PointerCurr while (@PointerPrev+1 < LEN(@ProductId_Array)) Begin Set @PointerCurr=CharIndex(',',@ProductId_Array,@PointerPrev+1) if(@PointerCurr> 0) Begin set @TId=cast(SUBSTRING(@ProductId_Array,@PointerPrev+1,@PointerCurr-@PointerPrev-1) as int) Insert into ProductListSpecial (ModuleId,ProductId) Values(@ModuleId,@TId) SET @PointerPrev = @PointerCurr End else Break End set @TId=cast(SUBSTRING(@ProductId_Array,@PointerPrev+1,LEN(@ProductId_Array)-@PointerPrev) as int) Insert into ProductListSpecial (ModuleId,ProductId) Values(@ModuleId,@TId) Set NoCount OFF if error=0 begin commit transaction end else begin rollback transaction end GO 来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/10617542/viewspace-962302/ ,如需转载,请注明出处,否则将追究法律责任。
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mysql常识和基本操作(转)
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