Question

in context of SQL Server 2005, I have a table for which the primary key is a uniqueidentifier (GUID), with a default value generated by the newid() function. I want to write a stored procedure that inserts a new record into the table. How do I get the record’s PK value? for an identity-declared field, this is easy – I call scope_identity(). How should I proceed with guids?

Thanks, Lucian

Answer 1

I would generate a new Guid prior to inserting the record, and explicitly use this new Guid as the PK for the record. You then use that guid after the insert, knowing that it refers to the row you have just inserted, e.g.

DECLARE @newGuid uniqueidentifier SET @newGuid = newid()  INSERT INTO myTable(id, stringval) VALUES (@newGuid, 'Hello')  SELECT * FROM myTable WHERE id = @newGuid