Re: scan_recycle_buffers

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Simon Riggs" <simon(at)2ndquadrant(dot)com>
Cc: "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com>, pgsql-patches(at)postgresql(dot)org
Subject: Re: scan_recycle_buffers
Date: 2007-03-09 23:05:38
Message-ID: 4297.1173481538@sss.pgh.pa.us
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"Simon Riggs" <simon(at)2ndquadrant(dot)com> writes:
> On Fri, 2007-03-09 at 16:45 -0500, Tom Lane wrote:
>> We do that anyway; but certainly Simon's patch ought not be injecting
>> an additional one.

> It should be possible to pass that down from the planner to the
> executor, in certain cases.

Huh? See HeapScanDesc->rs_nblocks.

regards, tom lane

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