Re: Number of attributes in HeapTupleHeader

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От Neil Conway
Тема Re: Number of attributes in HeapTupleHeader
Дата
Msg-id 20020505180727.247fce8c.nconway@klamath.dyndns.org
обсуждение исходный текст
Ответ на Number of attributes in HeapTupleHeader  (Manfred Koizar <mkoi-pg@aon.at>)
Ответы Re: Number of attributes in HeapTupleHeader  (Manfred Koizar <mkoi-pg@aon.at>)
Список pgsql-hackers
On Sun, 05 May 2002 23:48:31 +0200
"Manfred Koizar" <mkoi-pg@aon.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@rogers.com>
PGP Key ID: DB3C29FC


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