Re: Pooling Prepared Statements
От | João Paulo Caldas Ribeiro |
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Тема | Re: Pooling Prepared Statements |
Дата | |
Msg-id | 3D6E911A.2020303@mobicomp.com обсуждение исходный текст |
Ответ на | Pooling Prepared Statements ("G.Nagarajan" <gnagarajan@dkf.de>) |
Ответы |
Re: Pooling Prepared Statements
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Список | pgsql-jdbc |
You are right. It's 1 statement -> 1 resultset at a time. As Dave said: "A ResultSet object is automatically closed when the Statement object that generated it is closed, re-executed, or used to retrieve the next result from a sequence of multiple results. " My mistake. Thanks. JP Michael Paesold wrote: >João Paulo Caldas Ribeiro wrote: > > > >>Hi! >> >>Im sorry but: 1 connection -> 1 resultset at time. >>You can have many statement associated to a connection but when you >>execute the statemente you can only have 1 resultset associated to the >>connection at time. >>You can execute 2 statement using the same connection but you have to: >> >> > >As far as I know, that is not correct. At least if the documentation is >correct: > >"You can use a single Statement instance as many times as you want. You >could create one as soon as you open the connection and use it for the >connection's lifetime. But you have to remember that only one ResultSet can >exist per Statement or PreparedStatement at a given time." >(http://www.postgresql.org/idocs/index.php?jdbc-query.html) > >So it's not 1 connection -> 1 resultset at a time, but 1 statement -> 1 >resultset at a time. I would recommend reading the rest of the documention >about JDBC (especially section 8.3.1) > >Regards, >Michael Paesold > > >---------------------------(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 > > > > -- ---------------------------------------------------------------------------- MobiComp - Mobile Computing & Wireless Solutions phone: +351 253 305 250 fax: +351 253 305 251 web: http://www.mobicomp.com ----------------------------------------------------------------------------
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