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From: Jan Wieck <[email protected]>
To: Bruce Momjian <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Stephan Szabo <[email protected]>
Cc: Christopher Kings-Lynne <[email protected]>
Cc: Peter Childs <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: [GENERAL] 7.4Beta
Date: Sat, 16 Aug 2003 00:27:25 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

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 <[email protected]> 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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