Hello Jörg,
Thank you very much for the info.
In the new development, I use COBOL+ESQL too..
Regards
Roman
Egger Jörg (KIRJ 412) <joerg.egger@xxxxxxxxxxxxxxxxx>
Sent by: cobol400-l-bounces@xxxxxxxxxxxx
18.01.2008 11:27
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COBOL Programming on the iSeries/AS400 <cobol400-l@xxxxxxxxxxxx>
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Re: [COBOL400-L] Obtaining current TIMESTAMP - the Solution
If you check embedded SQL you find better support.
EXEC SQL
SET timestamp-field to CURRENT TIMESATMP
END-EXEC.
Thanks and Regards
Jörg Egger (Beni)
CREDIT SUISSE
KIRJ 412
Uetlibergstrasse 231
8070 Zürich
E-mail: joerg.egger@xxxxxxxxxxxxxxxxx
Phone +41 44 334 39 32
Fax +41 44 334 58 55
-----Original Message-----
From: cobol400-l-bounces@xxxxxxxxxxxx
[mailto:cobol400-l-bounces@xxxxxxxxxxxx] On Behalf Of RMiklos@xxxxxx
Sent: 18 January 2008 10:49
To: COBOL Programming on the iSeries/AS400
Subject: Re: [COBOL400-L] Obtaining current TIMESTAMP - the Solution
Hallo,
Thank you all very very much for your response an for your help !
I could find nothing about the TIMESTAMP-format in the IBM COBOL manuals
(ILE COBOL Reference and ILE COBOL Programmer's Guide) They have only
examples with DATEs and TIMEs there.
So, I introduced a paragraph which creates the DB/2-Timestamp as follows
DB2-TIMESTAMP.
* Create DB2-TimeStamp as YYYY-MM-DD-HH.MM.SS.CC0000
* Input parameters:
* ZW-DATE-X = YYYYMMDD
* ZW-TIME-X = HHMMSSCC
* as given from the Intrinsic Function CURRENT-DATE
STRING ZW-DATE-X(1:4) '-'
ZW-DATE-X(5:2) '-'
ZW-DATE-X(7:2) '-'
ZW-TIME-X(1:2) '.'
ZW-TIME-X(3:2) '.'
ZW-TIME-X(5:2) '.'
ZW-TIME-X(7:2) '0000'
DELIMITED BY SIZE INTO ZW-TIMESTAMP-X
END-STRING.
where the needed I/O-parameters are declared as
05 ZW-DATE-X PIC X(8).
05 ZW-TIME-X PIC X(8).
05 ZW-TIMESTAMP-X PIC X(26).
Now with other fields declared
05 ZW-DATE FORMAT DATE IS '@Y%m%d'.
05 ZW-TIME FORMAT TIME IS '%H%M%S@Sh'.
05 ZW-TIMESTAMP FORMAT TIMESTAMP.
05 ZW-TIMESTAMP-DB FORMAT TIMESTAMP.
05 ZW-CURRENT-DATE PIC X(21).
05 ZW-DURATION PIC 9(9).
I can create the current TIMESTAMP from current DATE and TIME
MOVE FUNCTION CURRENT-DATE TO ZW-CURRENT-DATE
MOVE ZW-CURRENT-DATE(1:8) TO ZW-DATE
MOVE ZW-CURRENT-DATE(9:8) TO ZW-TIME
* Create TimeStamp
MOVE ZW-DATE TO ZW-DATE-X
MOVE ZW-TIME TO ZW-TIME-X
PERFORM DB2-TIMESTAMP
MOVE ZW-TIMESTAMP-X TO ZW-TIMESTAMP
Now I can use the timestamp for date+time computation:
For example, if my computed ZW-TIMESTAMP = '2008-01-18-09.57.29.090000',
then this
MOVE FUNCTION SUBTRACT-DURATION (ZW-TIMESTAMP HOURS 2
MINUTES 5)
TO ZW-TIMESTAMP-DB
returns ZW-TIMESTAMP-DB = '2008-01-18-07.52.29.090000' and computing the
duration between the two Timestamps
COMPUTE ZW-DURATION = FUNCTION
FIND-DURATION (ZW-TIMESTAMP ZW-TIMESTAMP-DB MINUTES)
returns ZW-DURATION = 000000125 (Minutes).
So, thanks to your help, it works !
But, I wonder why IBM does nothing to improve a little bit their
COBOL-Compiler to handle better dates+times.
They provide 2 different date+time formats:
One for date+time returned from the intrinsic function CURRENT-DATE as a
21-Character-String, e.g.'2008011809572909+0100'
and the other for timestamp as a 26-Character-String, e.g.:
'2008-01-18-09.57.29.090000'
That is very confusing and seems to have no sense !
The intrinsic function CURRENT-DATE, should have an optional parameter to
return the current timestamp, or it should return by default a
31-Character-String of this form '2008-01-18-09.57.29.090000+0100'
from which the timestamp could be easy taken. Or they could deliver a new
intrinsic function named CURRENT-TIMESTAMP.
Regards
Roman
Mgr. Ing. Roman MIKLÓŠ
Prvá stavebná sporiteľňa a.s.
Bajkalská 30, P. O. Box 48
829 48 Bratislava 25
Tel.: +421/ 2 / 582 31 174
Fax: +421/ 2 / 582 31 109
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