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Home -> Community -> Mailing Lists -> Oracle-L -> Re: Job to run first Wednesday
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Jared,
If you will closely examine the specs, the assumption is not documented. Therefore, the application code must take into account that the 1st Wednesday of the month may still be in the future.
select CASE WHEN to_char(to_date('08/07/2003','MM/DD/YYYY'), 'DD') <= 6
THEN CASE WHEN to_char(to_date('08/07/2003','MM/DD/YYYY'), 'DY') = 'WED'
THEN to_date('08/07/2003', 'MM/DD/YYYY')
ELSE next_day(to_date('08/07/2003', 'MM/DD/YYYY'), 'WED')
END
ELSE next_day(last_day(to_date('08/07/2003','MM/DD/YYYY')),'WED')
END
Of course, there is a flaw in this logic. Can anyone spot it? It's particularly nasty...
Daniel
Jared.Still_at_radisys.com wrote:
>
> Rachel,
>
> The assumption is that the current day is already >= the first wednesday
> of the month,
> making it useful for the dbms_job interval.
>
> Did you read the specs? :)
>
> Jared
>
> Rachel Carmichael <wisernet100_at_yahoo.com>
> Sent by: ml-errors_at_fatcity.com
> 07/22/2003 01:14 PM
> Please respond to ORACLE-L
>
>
> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> cc:
> Subject: RE: Job to run first Wednesday
>
> don't rush off to use it..... I tried it, substituting August 1 and got
> September.
>
> 1* select
> next_day(last_day(to_date('08/01/2003','MM/DD/YYYY')),'WED') from dual
> SQL> /
>
> NEXT_DAY(
> ---------
> 03-SEP-03
>
> --- Jared.Still_at_radisys.com wrote:
> > Hmm... much more elegant than mine, and everyone elses.
> >
> > Guess I better RTFM the next_day function.
> >
> >
> >
> >
> >
> >
> > "Mercadante, Thomas F" <NDATFM_at_labor.state.ny.us>
> > Sent by: ml-errors_at_fatcity.com
> > 07/22/2003 12:34 PM
> > Please respond to ORACLE-L
> >
> >
> > To: Multiple recipients of list ORACLE-L
> > <ORACLE-L_at_fatcity.com>
> > cc:
> > Subject: RE: Job to run first Wednesday
> >
> >
> > Josh,
> >
> > With the following functions, you could probably get it to work:
> >
> > select next_day(last_Day(sysdate),'WED') from dual
> >
> > This (today) returns Wed, August 6th.
> >
> > Tom Mercadante
> > Oracle Certified Professional
> >
> >
> > -----Original Message-----
> > Sent: Tuesday, July 22, 2003 3:14 PM
> > To: Multiple recipients of list ORACLE-L
> >
> >
> > Greetings,
> >
> > How can I set the interval in my dbms job to have it run on the first
> > Wednesday of every month? Is this even possible? I have been trying
> > to
> > noodle it thru for a week to no avail.
> >
> > tia,
> >
> > Josh
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > --
> > Author: Josh Collier
> > INET: Josh.Collier_at_Banfield.net
> >
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> > Author: Mercadante, Thomas F
> > INET: NDATFM_at_labor.state.ny.us
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> > --
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> > Author:
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> >
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> Author: Rachel Carmichael
> INET: wisernet100_at_yahoo.com
>
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> --
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> INET: Jared.Still_at_radisys.com
>
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Received on Tue Jul 22 2003 - 15:05:02 CDT
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