This whole time difference situation can get real ugly exceptionally fast
What happens when
field 1 = 23:02:13
field 2 = 04:15.00
field2 is later than field 1 (next day)
whereas
field 1 = 03:02:13
field 2 = 04:15.00
again field 2 is later than field 1 (same day)
However, what is the true difference between field 1 and field 2,
Is it within 24 hours elapsed time, or 24 hours business time (ignoring
weekends and holidays)
Alan Shore
Programmer/Analyst, Direct Response
E:AShore@xxxxxxxx
P:(631) 200-5019
C:(631) 880-8640
"If you're going through Hell, keep going" - Winston Churchill
Tom E Stieger
<testieger@finewi
re.com> To
Sent by: "'Midrange Systems Technical
midrange-l-bounce Discussion'"
s@xxxxxxxxxxxx <midrange-l@xxxxxxxxxxxx>
cc
11/15/2010 03:38 Subject
PM RE: Difference between two time
values in SQL
Please respond to
Midrange Systems
Technical
Discussion
<midrange-l@midra
nge.com>
Why don't you just subtract them. That will give you a numeric result with
the result being the hours difference in the first two positions, then the
minutes, then the seconds. You can that use DIGITS, CONCAT and TIME
functions to get it to a TIME format.
with t1 as (select current_time a1,
current_time + 2 hours + 63 minute a2
from
sysibm.sysdummy1)
select t1.*,
SUBSTRING(DIGITS(A2-A1),1,2)||':'||SUBSTRING(DIGITS(A2-A1),3,2)||':'||
SUBSTRING(DIGITS(A2-A1),5,2),
TIME(SUBSTRING(DIGITS(A2-A1),1,2)||':'||SUBSTRING(DIGITS(A2-A1),3,2)||':'||
SUBSTRING(DIGITS(A2-A1),5,2))
from t1
It's ugly, but it works.
-Tom Stieger
California Fine Wire
Engineer
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Rick.Chevalier@xxxxxxxxxxxxxxx
Sent: Monday, November 15, 2010 9:29 AM
To: midrange-l@xxxxxxxxxxxx
Subject: Difference between two time values in SQL
When I see the answer it will probably be obvious but I have spent over two
hours trying to create a query to list records including the difference
between two time values. I searched the archives and did a Google search
but didn't see the answer. Lots of information on differences between
dates though.
How does one go about calculating the difference between two time values in
an SQL statement? Do they have to be converted to timestamps first? I
want the result to be a time value as well.
Rick Chevalier
IT Software Solutions - Loan Servicing
817-525-7178 (w)
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