Gevik Babakhani wrote:
> There could be many algorithms to generate a guid. I guess we will
> get into a big debate on that, which is not much useful i guess
> (seeing the posts last year).

There are a handful of standardized or established algorithms, so it 
doesn't hurt to provide them all.  Compare pgcrypto -- certainly no one 
needs all those encryption algorithms, but we offer them.

Peter Eisentraut

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