| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Zoltan Boszormenyi <zb(at)cybertec(dot)at> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: IDENTITY/GENERATED v36 Re: Final version of IDENTITY/GENERATED patch |
| Date: | 2007-04-04 19:17:49 |
| Message-ID: | 25055.1175714269@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
Zoltan Boszormenyi <zb(at)cybertec(dot)at> writes:
> So, I should allow DROP DEFAULT, implement
> SET DEFAULT GENERATED ALWAYS AS
> and modify the catalog so the GENERATED property
> is part of pg_attrdef.
Sounds good.
> What about IDENTITY?
> Should it also be part of pg_attrdef? There are two ways
> to implement it: have or don't have a notion of it.
> The latter would treat GENERATED BY DEFAULT AS IDENTITY
> the same as SERIAL.
Is there any good reason to distinguish the two?
regards, tom lane
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