From: | Guillaume Cottenceau <gc(at)mnc(dot)ch> |
---|---|
To: | hw(at)solvedirect(dot)com |
Cc: | pgsql-jdbc(at)postgresql(dot)org |
Subject: | Re: Upgrading jdbc |
Date: | 2009-11-30 11:14:40 |
Message-ID: | 87hbscl0wv.fsf@meuh.mnc.lan |
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Lists: | pgsql-jdbc |
hw 'at' solvedirect.com writes:
> Hello!
>
> I'm trying to upgrade to the current jdbc.
> I tried both jdbc3 and jdbc4.
>
> Until now we've been using pg74.215.jdbc3.jar.
> The code is using methods that need a ResultSet with a Type different than
> TYPE_FORWARD_ONLY. In the 7.4-version this seems to be standard.
>
> For the new one I need to do:
> PreparedStatement stmnt =
> connection.prepareStatement(JDBCEscSeq.convertEscSeq(sqlStmnt, objs),
> java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE,
> java.sql.ResultSet.CONCUR_READ_ONLY);
> for the code to function as before.
>
> So far this works. Unfortunately the execution of some statements is
> extremly slow.
You may hit a problem with the protocol version 3 and prepared
statements with variable parameters.
http://archives.postgresql.org/pgsql-jdbc/2009-03/msg00027.php
--
Guillaume Cottenceau
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