Re: weird

Tanel,

This is above and beyond the call of duty.

Now you need to step away from the computer...

Jared

On Sun, 2003-09-21 at 08:29, Tanel Poder wrote:
> Hi!
>
> After spending half of Saturday and Sunday digging around x$ktcxb and other
> interesting views I actually realized that the answer is way simpler :)
>
> TADDR column in v$session points to *current* transaction state object, that
> means if recursive transaction is needed for wrapping or extending rollback
> segment, TADDR points to this recursive transaction. When your query happens
> to select at the same time, it sees statistics for the small recursive
> transaction, not your big one.
>
> You should have been joining v$transaction.ses_addr with v$session.saddr
> instead of v$session.taddr with v$transaction.addr.
> (note there is a column recursive in v$transaction which allows to filter
> recursive transactions out)
>
> I tested it on 9.2.0.3 with AUM, but it should be the same in earlier
> versions.
> Tanel.
>
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> Sent: Sunday, September 21, 2003 4:04 PM
>
>
> >
> > 8.1.7.4 No AUM.
> > Either it was something goofy in the database, or something clobbered some
> > bytes as they were going from the host machine to my telnet session ...
> > which afaik would also be wierd since TCP/IP is supposed to guarantee
> > delivery.
> >
> > The terminal session is on a Windows box ... maybe that's it!
> >
> > > -----Original Message-----
> > >
> > > Which version are you on?
> > > Just wondering if it might have something to do with some bug
> > > in automatic
> > > undo management?
> > >
> > > Tanel.
> > >
> > > ----- Original Message -----
> > > To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> > > Sent: Friday, September 19, 2003 6:09 PM
> > >
> > >
> > > >
> > > > No question here. Just something weird. This is a
> > > long-running insert
> > > with
> > > > NO NONE ZERO ZIP ZILCH NADA commit. It makes me wonder if
> > > something weird
> > > > is going on, or if I am overlooking something in the query.
> > > >
> > > > SQL> select a.username,sum(b.used_ublk) x from v$session a,
> > > v$transaction
> > > b
> > > > where a.taddr=b.addr group by a.username;
> > > >
> > > > USERNAME X
> > > > ------------------------------ ----------
> > > > SYSTEM 418
> > > >
> > > > 1 row selected.
> > > >
> > > > SQL> /
> > > >
> > > > USERNAME X
> > > > ------------------------------ ----------
> > > > SYSTEM 893
> > > >
> > > > 1 row selected.
> > > >
> > > > SQL> /
> > > >
> > > > USERNAME X
> > > > ------------------------------ ----------
> > > > SYSTEM 2
> > > >
> > > > 1 row selected.
> > > >
> > > > SQL> /
> > > >
> > > > USERNAME X
> > > > ------------------------------ ----------
> > > > SYSTEM 3181
> > > >
> > > > 1 row selected.
> > > >
> > > > SQL> /
> > > >
> > > > USERNAME X
> > > > ------------------------------ ----------
> > > > SYSTEM 3204
> > > > --
> > > > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > > > --
> > > > Author: Stephen Lee
> > > > INET: Stephen.Lee_at_DTAG.Com
> > > >
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> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > > --
> > > Author: Tanel Poder
> > > INET: tanel.poder.003_at_mail.ee
> > >
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> > Author: Stephen Lee
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>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Tanel Poder
> INET: tanel.poder.003_at_mail.ee
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Jared Still
  INET: jkstill_at_cybcon.com

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