Re: quick question about PreparedStatements

From: Felipe Schnack <felipes(at)ritterdosreis(dot)br>
To: Paul Thomas <paul(at)tmsl(dot)demon(dot)co(dot)uk>
Cc: "pgsql-jdbc (at) postgresql (dot) org" <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: quick question about PreparedStatements
Date: 2003-07-25 12:18:59
Message-ID: 20030725091859.224aa98e.felipes@ritterdosreis.br
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I don't know, maybe I just don't understand something about Prep. Statements, but why they have a reference to a ResultSet it has created? To me make more sense the opposite, the ResultSets reference the Statement...
Anyone can confirm I can only have one resultset per statement?

On Fri, 25 Jul 2003 09:06:58 +0100
Paul Thomas <paul(at)tmsl(dot)demon(dot)co(dot)uk> wrote:

>
> On 24/07/2003 19:55 Felipe Schnack wrote:
> > Can I use a single PreparedStatement to create various ResultSets and
> > get data from all of them at the same time?
>
> I don't think so. The Javadoc for Statement says:
>
> "By default, only one ResultSet object per Statement object can be open at
> the same time"
>
> To me, this suggests that some db's may allow multiple ResultSets per
> Statement but that such extensions would be non-portable. Looking at the
> source for AbstactJdbc1Statement, it has
>
> protected java.sql.ResultSet result = null;
>
> So it looks like PG has the one ResultSet to one Statement implementation.
>
> HTH
>
> --
> Paul Thomas
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