| From: | Neil Conway <nconway(at)klamath(dot)dyndns(dot)org> |
|---|---|
| To: | "Manfred Koizar" <mkoi-pg(at)aon(dot)at> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Number of attributes in HeapTupleHeader |
| Date: | 2002-05-05 22:07:27 |
| Message-ID: | 20020505180727.247fce8c.nconway@klamath.dyndns.org |
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| Lists: | pgsql-hackers |
On Sun, 05 May 2002 23:48:31 +0200
"Manfred Koizar" <mkoi-pg(at)aon(dot)at> wrote:
> Two years ago there have been thoughts about ADD COLUMN and whether it
> should touch all tuples or just change the metadata. Could someone
> tell me, what eventually came out of this discussion and where I find
> the relevant pieces of source code, please.
See AlterTableAddColumn() in commands/tablecmds.c
> If there is interest in reducing on-disk tuple header size and I have
> not missed any strong arguments against dropping t_natts, I'll
> investigate further. Comments?
I'd definately be interested -- let me know if you'd like any help...
Cheers,
Neil
--
Neil Conway <neilconway(at)rogers(dot)com>
PGP Key ID: DB3C29FC
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