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

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От Dave Cramer
Тема Re: throw SQLException on no rs.next()?
Дата
Msg-id 1019564604.1536.57.camel@inspiron.cramers
обсуждение исходный текст
Ответ на Re: throw SQLException on no rs.next()?  ("Nick Fankhauser" <nickf@ontko.com>)
Ответы Re: throw SQLException on no rs.next()?  ("Nick Fankhauser" <nickf@ontko.com>)
Список pgsql-jdbc
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@postgresql.org
> > [mailto:pgsql-jdbc-owner@postgresql.org]On Behalf Of AgentM
> > Sent: Tuesday, April 23, 2002 12:36 AM
> > To: pgsql-jdbc@postgresql.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@cmu.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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