If you want to calculate the difference in days, you have to convert both
dates into the (calculated) number of days since '0001-01-01' and the
substract both numbers from each other:
Values(Days(Current_Date) - Days(Date('02/22/2024'));
Another option would be to use the TIMESTAMP_DIFF Function.
Mit freundlichen Grüßen / Best regards
Birgitta Hauser
Modernization ? Education ? Consulting on IBM i
Database and Software Architect
IBM Champion since 2020
"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training them
and keeping them!"
"Train people well enough so they can leave, treat them well enough so they
don't want to. " (Richard Branson)
"Learning is experience ? everything else is only information!" (Albert
Einstein)
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
smith5646midrange@xxxxxxxxx
Sent: Monday, 25 March 2024 15:10
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: sql date difference gotcha
I just played with this a little and it looks like the value returned is in
YYYYMMDD digits. Therefore 102 is 1 month and 2 days. I did current date -
'03/24/2024' just to see and it returned 10001.
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of eric
bothes
Sent: Monday, March 25, 2024 8:53 AM
To: Midrange-L <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: sql date difference gotcha
just an fyi for anyone using the following logic and thinking it will return
the number of days difference as i though.
i was expecting the following results
1, 2, 3, but i was incorrect.
assume current date = 03/25/2024
SELECT
current date - '03/24/2024' as days1,
current date - '02/23/2024' as days2,
current date - '02/22/2024' as days3 FROM SYSIBM.SYSDUMMY1
the results are
1, 102, 103, where results returned are yymmdd format.
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