Re: Opinion about macro for the uuid datatype. - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Opinion about macro for the uuid datatype.
Date
Msg-id 15148.1158456210@sss.pgh.pa.us
Whole thread Raw
In response to Opinion about macro for the uuid datatype.  (Gevik Babakhani <pgdev@xs4all.nl>)
Responses Re: Opinion about macro for the uuid datatype.  (Gevik Babakhani <pgdev@xs4all.nl>)
List pgsql-hackers
Gevik Babakhani <pgdev@xs4all.nl> writes:
> I was wondering if I should go ahead and add a macro datatype like the
> SERIAL, only this time for the uuid.

This assumes a fact not in evidence, which is that we're going to accept
a uuid-generation function as part of core.  AFAIK the only reasonably
non-contentious part of this proposal is the ability to *store* uuids.
Generating new ones introduces a host of portability and other issues.

Considering the amount of pain involved in supporting SERIAL in the
parser, pg_dump, etc, I'd say that adding the above is a pretty certain
route to getting your patch rejected as too invasive.  If, three or four
versions down the road, large numbers of people are using uuid with the
same generation function, *then* it might be time to think about
introducing a macro type.
        regards, tom lane


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