Re: throw SQLException on no rs.next()?
От | Dave Cramer |
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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()?
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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)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org > >
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