Re: How to retieve binary data (bytea) without problem ?

From: Alfredo Rico <alfredorico(at)gmail(dot)com>
To: Kris Jurka <books(at)ejurka(dot)com>
Cc: Russell Francis <rfrancis(at)ev(dot)net>, pgsql-jdbc(at)postgresql(dot)org
Subject: Re: How to retieve binary data (bytea) without problem ?
Date: 2005-09-29 18:37:40
Message-ID: 89cc056d05092911376050d6bc@mail.gmail.com
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Thank you Kris, I was absolutely confused about this situation.

I'll switch to Blob objects because increasing the JVM heap could harm
perfromance...

Kind Regards.
Alfredo Rico,

On 9/29/05, Kris Jurka <books(at)ejurka(dot)com> wrote:
>
>
>
> On Thu, 29 Sep 2005, Alfredo Rico wrote:
>
> > Your suggest is very correct and in fact it works very well but only if
> the
> > file size is under 10 MB,
> > The problem happens just at moment to execute:
> > InputStream ins = rs.getBinaryStream( 1 );
> >
>
> The JDBC driver can stream data going to the server (setBinaryStream), but
> cannot stream data returning from the server (getBinaryStream) because of
> protocol limitations. You have two options:
>
> Switch from using bytea to large objects (Blobs). Large objects were
> designed to work with much larger data sizes and have a complete streaming
> interface.
>
> Increase the JVM's heap size. Since you are using netbeans and you
> haven't received many helpful suggestions here, you might try a netbeans
> specific list for suggestions on how to accomplish this.
>
> Kris Jurka
>

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