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  #1 (permalink)  
Old 02-05-04, 09:00
shrinibv1 shrinibv1 is offline
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Getting timestamp difference in minutes
Hi,
I am not that proficient with db2.
I want to query a table having timestamp column say for the past 150 minutes. I am not aware of how do I get this in the SQL query? Could you respond back. I know current timestamp -2 hours will work. But I want the difference in minutes. Is it possible in db2?
Thx
Shrinivas
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Old 02-05-04, 09:31
sathyaram_s sathyaram_s is offline
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Re: Getting timestamp difference in minutes
There is a function TIMESTAMPDIFF documented in SQL Reference ... Have a look at it

Sathyaram
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Old 02-05-04, 09:34
Walter Janissen Walter Janissen is offline
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Well, it is possible, but no straight forward

For example:

SELECT DIGITS(INTEGER(
CURRENT TIMESTAMP - (CURRENT TIMESTAMP - 2 HOURS - 10 MINUTES)))
FROM SYSIBM.SYSDUMMY1

will return 0000021000 meaning 2 hours ten minutes 0 seconds. so you can compute to number of minutes by using the substr-function
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Old 02-05-04, 09:49
n_i n_i is offline
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Re: Getting timestamp difference in minutes
Quote:
Originally posted by shrinibv1
Hi,
I am not that proficient with db2.
I want to query a table having timestamp column say for the past 150 minutes. I am not aware of how do I get this in the SQL query? Could you respond back. I know current timestamp -2 hours will work. But I want the difference in minutes. Is it possible in db2?
Thx
Shrinivas
What exactly is your problem? Have you tried "CURRENT TIMESTAMP - 150 MINUTES"?

Quote:
db2 => values(current timestamp)

1
--------------------------
2004-02-05-09.47.40.718001

1 record(s) selected.

db2 => values(current timestamp - 150 minutes)

1
--------------------------
2004-02-05-07.17.48.343001

1 record(s) selected.
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Old 02-05-04, 09:56
Walter Janissen Walter Janissen is offline
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Sathyaram

TIMESTAMPDIFF is not a function on the OS/390 platform.
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Old 02-05-04, 23:44
shrinibv1 shrinibv1 is offline
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Hi,
Thx Walter.
It works fine.
Thanks again
Shrini
Quote:
Originally posted by Walter Janissen
Well, it is possible, but no straight forward

For example:

SELECT DIGITS(INTEGER(
CURRENT TIMESTAMP - (CURRENT TIMESTAMP - 2 HOURS - 10 MINUTES)))
FROM SYSIBM.SYSDUMMY1

will return 0000021000 meaning 2 hours ten minutes 0 seconds. so you can compute to number of minutes by using the substr-function
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  #7 (permalink)  
Old 02-06-04, 02:48
sathyaram_s sathyaram_s is offline
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Thanks Walter for pointing out that we do not have that function in OS/390...



Quote:
Originally posted by Walter Janissen
Sathyaram

TIMESTAMPDIFF is not a function on the OS/390 platform.
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