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Re: BUG #1756: PQexec eats huge amounts of memory

From: Kris Jurka <books(at)ejurka(dot)com>
To: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>
Cc: vda(at)ilport(dot)com(dot)ua, tgl(at)sss(dot)pgh(dot)pa(dot)us, alvherre(at)alvh(dot)no-ip(dot)org,pierce(at)hogranch(dot)com, pgsql-bugs(at)postgresql(dot)org, neilc(at)samurai(dot)com
Subject: Re: BUG #1756: PQexec eats huge amounts of memory
Date: 2005-07-18 21:08:04
Message-ID: Pine.BSO.4.56.0507181606360.5724@leary.csoft.net (view raw or flat)
Thread:
Lists: pgsql-bugs

On Mon, 18 Jul 2005, Kevin Grittner wrote:

> Are you saying that if I execute a statement like:
> select * from "TableWithHundredsOfMillionsOfRows"
> that the entire table will be copied to a result set before returning
> the first row?  Is this result set built in RAM on the server side?
>  
> I am interested primarily in the behavior under JDBC, although psql is
> also significant.

http://jdbc.postgresql.org/documentation/80/query.html#query-with-cursor

Kris Jurka

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