Re: quick question about PreparedStatements
От | Felipe Schnack |
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Тема | Re: quick question about PreparedStatements |
Дата | |
Msg-id | 20030725091859.224aa98e.felipes@ritterdosreis.br обсуждение исходный текст |
Ответ на | Re: quick question about PreparedStatements (Paul Thomas <paul@tmsl.demon.co.uk>) |
Ответы |
Re: quick question about PreparedStatements
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Список | pgsql-jdbc |
I don't know, maybe I just don't understand something about Prep. Statements, but why they have a reference to a ResultSetit 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@tmsl.demon.co.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 > +------------------------------+---------------------------------------------+ > | Thomas Micro Systems Limited | Software Solutions for the Smaller > Business | > | Computer Consultants | > http://www.thomas-micro-systems-ltd.co.uk | > +------------------------------+---------------------------------------------+ > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly -- /~\ The ASCII Felipe Schnack (felipes@ritterdosreis.br) \ / Ribbon Campaign Analista de Sistemas X Against HTML Cel.: 51-91287530 / \ Email! Linux Counter #281893 Centro Universitário Ritter dos Reis http://www.ritterdosreis.br ritter@ritterdosreis.br Fone: 51-32303341
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