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Re: problem with transactions

From: pginfo <pginfo(at)t1(dot)unisoftbg(dot)com>
To: Barry Lind <blind(at)xythos(dot)com>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: problem with transactions
Date: 2004-05-10 15:14:14
Message-ID: 409F9C46.9050906@t1.unisoftbg.com (view raw or flat)
Thread:
Lists: pgsql-jdbc
Barry Lind wrote:

> 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
>
>
>
>
>
How to do it?
Will I need to recompile pg or I can set it up into conf-file?


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