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Re: SRF patch (was Re: [HACKERS] troubleshooting pointers)

From: Joe Conway <mail(at)joeconway(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: SRF patch (was Re: [HACKERS] troubleshooting pointers)
Date: 2002-05-19 20:55:42
Message-ID: 3CE8114E.2070400@joeconway.com (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Tom Lane wrote:
> I am still concerned about whether ExecFunctionReScan works correctly;
> if not, the problems would show up in join and subquery situations.
> I think the parser and planner stages are in pretty good shape now,
> though.  (At least as far as the basic functionality goes.  Having
> a smarter materialization policy will take work in the planner.)
> 
Here's a small patch to ExecFunctionReScan. It was clearing
   scanstate->csstate.cstate.cs_ResultTupleSlot
when I think it should have been clearing
   scanstate->csstate.css_ScanTupleSlot

although there is no discernable (at least to me) difference either way.

Joe


Attachment: srf.2002.05.19.1.patch
Description: text/plain (1.3 KB)

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