Re: (Fwd) Re: Any Oracle 9 users? A test please...

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Dan Langille <dan(at)langille(dot)org>
Cc: PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: (Fwd) Re: Any Oracle 9 users? A test please...
Date: 2002-09-30 19:07:27
Message-ID: 200209301907.g8UJ7R918835@candle.pha.pa.us
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It is not clear to me; is this its own transaction or a function call?

---------------------------------------------------------------------------

Dan Langille wrote:
> And just for another opinion, which supports the first.
>
> >From now, unless you indicate otherwise, I'll only report tests which
> have both values the same.
>
> From: "Shawn O'Connor" <soconnor(at)mail(dot)e-perception(dot)com>
> To: Dan Langille <dan(at)langille(dot)org>
> Subject: Re: Any Oracle 9 users? A test please...
> In-Reply-To: <3D985663(dot)24174(dot)80554E83(at)localhost>
> Message-ID: <20020930114241(dot)E45374-100000(at)mail(dot)e-perception(dot)com>
> MIME-Version: 1.0
> Content-Type: TEXT/PLAIN; charset=US-ASCII
> X-PMFLAGS: 35127424 0 1 P2A7A0.CNM
>
> Okay, here you are:
> ----------------------------------
>
> DECLARE
> time1 TIMESTAMP;
> time2 TIMESTAMP;
> sleeptime NUMBER;
> BEGIN
> sleeptime := 5;
> SELECT CURRENT_TIMESTAMP INTO time1 FROM DUAL;
> DBMS_LOCK.SLEEP(sleeptime);
> SELECT CURRENT_TIMESTAMP INTO time2 FROM DUAL;
> DBMS_OUTPUT.PUT_LINE(TO_CHAR(time1));
> DBMS_OUTPUT.PUT_LINE(TO_CHAR(time2));
> END;
> /
> 30-SEP-02 11.54.09.583576 AM
> 30-SEP-02 11.54.14.708333 AM
>
> PL/SQL procedure successfully completed.
>
> ----------------------------------
>
> Hope this helps!
>
> -Shawn
>
>
> On Mon, 30 Sep 2002, Dan Langille wrote:
>
> > We're testing this just to see what Oracle does. What you are
> > saying is what we expect to happen. But could you do that test for
> > us from the command line? Thanks.
> >
> > On 30 Sep 2002 at 10:31, Shawn O'Connor wrote:
> >
> > > I'm assuming your doing this as some sort of anonymous
> > > PL/SQL function:
> > >
> > > Don't you need to do something like:
> > >
> > > SELECT CURRENT_TIMESTAMP FROM DUAL INTO somevariable?
> > >
> > > and to wait five seconds probably:
> > >
> > > EXECUTE DBMS_LOCK.SLEEP(5);
> > >
> > > But to answer your question-- When this PL/SQL function
> > > is run the values of current_timestamp are not the same, they will
> > > be sepearated by five seconds or so.
> > >
> > > Hope this helps!
> > >
> > > -Shawn
> > >
> > > On Mon, 30 Sep 2002, Dan Langille wrote:
> > >
> > > > Followups to freebsd-database(at)freebsd(dot)org please!
> > > >
> > > > Any Oracle 9 users out there?
> > > >
> > > > I need this run:
> > > >
> > > > BEGIN;
> > > > SELECT CURRENT_TIMESTAMP;
> > > > -- wait 5 seconds
> > > > SELECT CURRENT_TIMESTAMP;
> > > >
> > > > Are those two timestamps the same?
> > > >
> > > > Thanks
> > > > --
> > > > Dan Langille
> > > > I'm looking for a computer job:
> > > > http://www.freebsddiary.org/dan_langille.php
> > > >
> > > >
> > > > To Unsubscribe: send mail to majordomo(at)FreeBSD(dot)org
> > > > with "unsubscribe freebsd-database" in the body of the message
> > > >
> > >
> > >
> >
> >
> > --
> > Dan Langille
> > I'm looking for a computer job:
> > http://www.freebsddiary.org/dan_langille.php
> >
>
>
> ------- End of forwarded message -------
> --
> Dan Langille
> I'm looking for a computer job:
> http://www.freebsddiary.org/dan_langille.php
>
>

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
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