Re: throw SQLException on no rs.next()?

From: "Nick Fankhauser" <nickf(at)ontko(dot)com>
To: "Dave Cramer" <Dave(at)micro-automation(dot)net>
Cc: "AgentM" <agentm(at)cmu(dot)edu>, <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: throw SQLException on no rs.next()?
Date: 2002-04-23 12:29:33
Message-ID: NEBBLAAHGLEEPCGOBHDGMEFEENAA.nickf@ontko.com
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Dave-

My response was based on my experience when I started (about a year ago) so
this may be changed.

However, at the time it looked to me like it *should* throw an NPE in this
situation, so I'm suprised that it would be a candidate for change.

-Nick

> -----Original Message-----
> From: Dave Cramer [mailto:Dave(at)micro-automation(dot)net]
> Sent: Tuesday, April 23, 2002 7:23 AM
> To: nickf(at)ontko(dot)com
> Cc: AgentM; pgsql-jdbc(at)postgresql(dot)org
> Subject: Re: [JDBC] throw SQLException on no rs.next()?
>
>
> I thought I fixed it so that it doesn't throw an NPE, but I could be
> mistaken?
>
> Dave
> On Tue, 2002-04-23 at 08:09, Nick Fankhauser wrote:
> > Yes, it sure does. The way I usually handle stepping through a
> ResultSet is
> > with a structure like this:
> >
> > /* create REsultSet results */
> > while (results.next())
> > {
> > /*do something with results*/
> > }
> >
> > You're right about this being a common newbie gotcha. I'll add it to the
> > newbie FAQ.
> >
> > -NF
> >
> >
> > > -----Original Message-----
> > > From: pgsql-jdbc-owner(at)postgresql(dot)org
> > > [mailto:pgsql-jdbc-owner(at)postgresql(dot)org]On Behalf Of AgentM
> > > Sent: Tuesday, April 23, 2002 12:36 AM
> > > To: pgsql-jdbc(at)postgresql(dot)org
> > > Subject: [JDBC] throw SQLException on no rs.next()?
> > >
> > >
> > > Hi- it's me the JDBC newbie again and I have a simple request. Could
> > > a call to resultset.getX() throw some exception if rs.next() has not
> > > yet been called? I just got horribly burned by missing this simple
> > > thing and I think it may be helpful to other newbies to have this
> > > extra bit of information. Thanks.
> > > --
> > > ><><><><><><><><><><><><
> > > AgentM
> > > agentm(at)cmu(dot)edu
> > >
> > > ---------------------------(end of
> broadcast)---------------------------
> > > TIP 6: Have you searched our list archives?
> > >
> > > http://archives.postgresql.org
> > >
> >
> >
> > ---------------------------(end of broadcast)---------------------------
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> >
> >
>
>
>

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