Create Uniqueidentifier for string

数据清洗时常要生成GUID,使用下面代码可以实现

-- 转化成GUID
IF OBJECT_ID('DBO.GET_Guid') IS NOT NULL
DROP FUNCTION DBO.GET_Guid
GO
Create Function DBO.GET_Guid(@s varchar(4000))
returns uniqueidentifier
as
begin
declare @guid uniqueidentifier
set @guid = CONVERT(uniqueidentifier, HASHBYTES('MD5',@s))
return @guid
end
go