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Re: problem with transactions

From: Barry Lind <blind(at)xythos(dot)com>
To: pginfo <pginfo(at)t1(dot)unisoftbg(dot)com>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: problem with transactions
Date: 2004-05-10 15:50:35
Message-ID: 409FA4CB.6070305@xythos.com (view raw or flat)
Thread:
Lists: pgsql-jdbc
I would suggest that you turn on sql statement logging on your database 
server and see exactly what the jdbc driver is sending to the server.  I 
suspect this information will help you track down the problem.

thanks,
--Barry


pginfo wrote:
> Hi,
> 
> We are using pg 7.4.2 + jdbc to connect to jboss.
> 
> It looks that pg have problems with transactions and jdbc.
> 
> My example:
> 
> Connection con = ... I get connection to my db.
> 
> con.setAutoCommit(false);    // begin transaction
> 
> // do some inserts
> 
> con.rollback(); // rollback
> 
> After this code all is working very well.
> All inserts are rollbacked and so on.
> 
> And now the second example:
> 
> Connection con = ... I get connection to my db.
> 
> con.setAutoCommit(false);    // begin transaction
> 
> // do some inserts
> 
> con.rollback(); // rollback
> con.setAutoCommit(true);    // set autocommit. We are using connection 
> pool and will to have clear connection.
> 
> For my supprice the last example do not rollback any inserts !
> I do not see nothink bad in this code, and also it is working perfect on 
> oracle + jdbc and also MSSQL + jdbc.
> 
> Pls., can some one check the situation and post the result.
> 
> I tryed to insert sole sllep for 5 sec. before the last 
> con.setAutoCommit(true); , but it do not help.
> 
> Is it bug into the jdbc or pg ?
> 
> I tested it also with pg 7.4.1 and 7.4. and I have the same problem.
> 
> regards,
> ivan.
> 
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 8: explain analyze is your friend



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