Re: more than one index in a single heap pass?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Andrew Dunstan <andrew(at)dunslane(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: more than one index in a single heap pass?
Date: 2009-07-14 19:50:06
Message-ID: 13828.1247601006@sss.pgh.pa.us
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Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> Andrew Dunstan wrote:
>> I was just wondering idly today if we could usefully build a number of
>> indexes at the same time in a single pass over the heap, or could it be
>> that we wouldn't gain much? I haven't even got around to thinking about
>> any syntax for it.

> Could we make it work on two backends building one index each in
> synchronized scans?

Don't we more or less have that already?

regards, tom lane

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