On Mon, Sep 18, 2006 at 07:45:07PM -0400, [EMAIL PROTECTED] wrote: > I would not use a 100% random number generator for a UUID value as was > suggested. I prefer inserting the MAC address and the time, to at > least allow me to control if a collision is possible. This is not easy > to do using a few lines of C code. I'd rather have a UUID type in core > with no generation routine, than no UUID type in core because the code > is too complicated to maintain, or not portable enough.
As others have mentioned, using MAC address doesn't remove the possibility of a collision. Maybe a good compromise that would allow a generator function to go into the backend would be to combine the current time with a random number. That will ensure that you won't get a dupe, so long as your clock never runs backwards. -- Jim Nasby [EMAIL PROTECTED] EnterpriseDB http://enterprisedb.com 512.569.9461 (cell) ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
