Message-ID: <3F3DB2AD.40308@Yahoo.com>
Date: Sat, 16 Aug 2003 00:27:25 -0400
From: Jan Wieck <JanWieck@Yahoo.com>
Organization: Unorganized
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To: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: Tom Lane <tgl@sss.pgh.pa.us>,
 Stephan Szabo <sszabo@megazone.bigpanda.com>,
	Christopher Kings-Lynne <chriskl@familyhealth.com.au>,
	Peter Childs <Blue.Dragon@blueyonder.co.uk>,
	PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: [GENERAL] 7.4Beta
References: <200308152217.h7FMHX317638@candle.pha.pa.us>
In-Reply-To: <200308152217.h7FMHX317638@candle.pha.pa.us>
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Bruce Momjian wrote:
> Is there a TODO here?

Maybe!? It's one of these premature things noone can tell by now. So the 
TODO would be "investigation" for now.


Jan

> 
> ---------------------------------------------------------------------------
> 
> Tom Lane wrote:
>> Jan Wieck <JanWieck@Yahoo.com> writes:
>> > I'm thinking instead of a way to "cache" entire executors for this. Each 
>> > SPI plan used during a transaction would need it's own executor, and I 
>> > don't know offhand what type and how much resources an executor requires 
>> > (I think it's only some memory that get's initialized and the VFD's 
>> > opened).
>> 
>> Hmm.  This is probably more feasible now than it would have been a year
>> ago, because I did some cleanup work to ensure that executor state is
>> localized into a specific memory context.  I'm not certain about the
>> amount of overhead either, but it's surely worth a try.
>> 
>> 			regards, tom lane
>> 
> 


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