RE: Oracle and DST changes

From: Mercadante, Thomas F \(LABOR\) <Thomas.Mercadante_at_labor.state.ny.us>
Date: Fri, 26 Jan 2007 07:49:00 -0500
Message-ID: <ABB9D76E187C5146AB5683F5A07336FFE08AA6@EXCNYSM0A1AJ.nysemail.nyenet>

This is crazy. It looks like a new session gets the new information.

I connect to the database with the old files in place in the zoneinfo directory. I ran the script and the results were wrong. I loaded the new files without disconnecting from sqlplus and ran the script again. The results were wrong.

I restarted sqlplus and ran the script and the results were correct.

It looks like a new database session reads the zoneinfo files?

Another great testing job from Oracle support. At least they are consistent.

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-----Original Message-----

From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Pabba, Chandra Sent: Thursday, January 25, 2007 4:49 PM To: nancy.malpass_at_cingular.com; joseph.armstrong-champ_at_tufts.edu; Brandon.Allen_at_OneNeck.com
Cc: Mercadante, Thomas F (LABOR); oracle-l_at_freelists.org Subject: RE: Oracle and DST changes

Yes, I did notice the same thing. Without restarting the instance, I was able to see the updated results.

Thanks
Chandra

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Malpass, Nancy Sent: Thursday, January 25, 2007 3:45 PM To: joseph.armstrong-champ_at_tufts.edu; Brandon.Allen_at_OneNeck.com Cc: Mercadante, Thomas F (LABOR); oracle-l_at_freelists.org Subject: RE: Oracle and DST changes

That would be great to no have to restart each database. Anyone else do this and found that a restart is not necessary?

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Joe Armstrong-Champ Sent: Thursday, January 25, 2007 3:32 PM To: Brandon.Allen_at_OneNeck.com
Cc: Mercadante, Thomas F (LABOR); oracle-l_at_freelists.org Subject: Re: Oracle and DST changes

This actually turns out not to be true. I just applied the patch to a test db without shutting down and when I ran the confirmation sql I got the updated results:

SQL> select to_timestamp_tz('20070311 00:00:00 US/EASTERN','YYYYMMDD HH24:MI:SS TZR') + to_dsinterval('0 08:00:00') TEST from dual;

TEST

---
11-MAR-07 09.00.00.000000000 AM US/EASTERN

(solaris 64-bit/oracle 10.1.0.4)

Joe

Allen, Brandon wrote:
  It also confirms that the timezone files are in


> fact only read at startup, so a restart is necessary for the new rules




> to take effect.

>  

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Received on Fri Jan 26 2007 - 06:49:00 CST