Re: quick question about PreparedStatements - Mailing list pgsql-jdbc

From Barry Lind
Subject Re: quick question about PreparedStatements
Date
Msg-id 3F31C021.2020501@xythos.com
Whole thread Raw
In response to Re: quick question about PreparedStatements  (Felipe Schnack <felipes@ritterdosreis.br>)
Responses Re: quick question about PreparedStatements  (Felipe Schnack <felipes@ritterdosreis.br>)
List pgsql-jdbc
Yes you can only have one active result set per statement.

--Barry

Felipe Schnack wrote:
>   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   |
>>+------------------------------+---------------------------------------------+
>>
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>
>
>



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