Re: default fetch size

From: Barry Lind <barry(at)xythos(dot)com>
To: Dave Thompson <dave(at)freeflyer(dot)co(dot)uk>
Cc: PostgreSQL JDBC list <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: default fetch size
Date: 2001-09-17 04:36:21
Message-ID: 3BA57DC5.7070005@xythos.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-jdbc

Dave,

The protocol for the clients to talk with the backend server doesn't
support the concept of a fetch size. When a query is executed it's
entire result is sent to the client. (You can explicitly work around
this by using cursors see the DECLARE and FETCH sql commands).

thanks,
--Barry

Dave Thompson wrote:
> Hi all,
>
> I'm doing some research into tightly coupling data mining applications to
> PostgreSQL, and have a couple of questions:
>
> 1) What's the default fetch size set by the jdbc driver (jdbc7.0-1.2.jar)?
>
> 2) Is there any way to change this other than by editing the source code?
> The setFetchSize and getFetchSize methods are not supported.
>
> Thanks for your help.
>
> Dave Thompson.
> Research Student.
> University of Manchester, England.
> dave(at)freeflyer(dot)co(dot)uk
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
> http://archives.postgresql.org
>
>

In response to

Browse pgsql-jdbc by date

  From Date Subject
Next Message Barry Lind 2001-09-17 04:38:03 Re: [PATCHES] isNullable()
Previous Message Dave Cramer 2001-09-17 02:01:53 Re: jdbc newbie question