| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: GIN fast insert |
| Date: | 2009-02-23 18:35:51 |
| Message-ID: | 2239.1235414151@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Mon, Feb 23, 2009 at 10:05 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Actually, I'm going to *insist* that we lose the index AM scan
>> altogether.
> Except that the "inessential" feature in question is a feature that
> currently WORKS, and I don't believe that the testing you've done is
> anywhere near sufficient to show that no one will be upset if it goes
> away.
What feature is that --- the ability to get an undefined subset of rows
quickly by using LIMIT without ORDER BY? Not much of a feature.
> Without some convincing evidence to support that proposition, I
> think it would be better to postpone the whole patch to 8.5 and use
> that time to fix the problem,
Wouldn't bother me any. We are way overdue for 8.4 already.
regards, tom lane
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