Re: [GENERAL] 7.4Beta

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От
Gavin Sherry
Тема
Re: [GENERAL] 7.4Beta
Дата
Msg-id
Pine.LNX.4.21.0308151601380.27005-100000@linuxworld.com.au
Ответ на
Re: [GENERAL] 7.4Beta (Stephan Szabo)
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Дерево обсуждения
Re: ADD FOREIGN KEY Christopher Browne <cbbrowne@acm.org>
Re: ADD FOREIGN KEY Manfred Koizar <mkoi-pg@aon.at>
Re: ADD FOREIGN KEY Tom Lane <tgl@sss.pgh.pa.us>
On Thu, 14 Aug 2003, Stephan Szabo wrote:

> That really needs to be rewritten to do a single check over the table
> rather than running the constraint for every row.  I keep meaning to get
> around to it and never actually do. :(  I'm not sure that in practice
> you'll get a better plan at restore time depending on what the default
> statistics give you.

Perhaps it would be easier to allow SKIP VALIDATION (or something) with
ALTER TABLE ADD .... which can set FkConstraint->skip_validation. If we're
just handling pg_dump output, then presumably the data is already
validated. On the other handle, it might encourage users to bypass FKs
when they feel like it...

Thanks,

Gavin


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