Re: Streaming blob to db

From: Kris Jurka <books(at)ejurka(dot)com>
To: 時期 精霊 <kuon(at)goyman(dot)com>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Streaming blob to db
Date: 2005-07-04 09:33:32
Message-ID: Pine.BSO.4.56.0507040431160.14393@leary.csoft.net
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On Fri, 1 Jul 2005, [UTF-8] ^Y^B^\^_ ^\ wrote:
>
> I got a web application that use jdbc and that will need to stream
> binary data to the database.
>
> My application need an outputstream to send the data to the db, and
> an inputstream to read the data from the db.
>
> I use postgresql 8.0.1 with bytea field.
>
> >100mb 20%
>

If you are really dealing with 100+Mb files you should probably look into
using large objects instead of bytea storage. This will provide the
streaming interfaces you are looking for and avoid excessive memory usage.

http://jdbc.postgresql.org/documentation/80/binary-data.html

Kris Jurka

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