Re: problem with transactions - Mailing list pgsql-jdbc

From Barry Lind
Subject Re: problem with transactions
Date
Msg-id 409FA4CB.6070305@xythos.com
Whole thread Raw
In response to problem with transactions  (pginfo <pginfo@t1.unisoftbg.com>)
Responses Re: problem with transactions
List 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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