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Can a timestamp be formatted by a concatenation?

 
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pcmoonbeam
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Joined: 21 Nov 2005
Posts: 31
Topics: 10
Location: Orange County, California
PostPosted: Tue Feb 03, 2009 7:11 pm    Post subject: Can a timestamp be formatted by a concatenation? Reply with quote
I have a table to which I have added a new timestamp column (CREATE_DATE) . On a go forward basis, this column will be populated each time a row is added to the table with the current timestamp.

I have a column in the table called WRKPERIOD in DATE format. This column plus 2 months represents the date when the row was created, but I would like to somehow use this column (with the 2 months added in) and concatenate it with a fixed time in the format of HH:MM:SS.MMMMMM to create my new timestamp. The desired result would be a column that is in normal timestamp format.

Is there a way to do this without writing a COBOL program that would require two passes against the table?
Here's what my original SQL looks like minus the update of the CREATE_DATE timestamp column:
Code:
 UPDATE HOURS.A2BKCNT X
   SET X.FAMILY_ID =
   (SELECT Z.FAMILY_ID
                FROM FDBEL.REG_MASTER Z
                     WHERE X.SSNO = Z.PART_SSNO AND 0 = Z.RELATION_ID),
        LASTUPDT = CURRENT TIMESTAMP,
        USERID = 'JMN FAMID',
        CREATE_USERID = 'FBHR216'

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PCMOONBEAM
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kolusu
Site Admin
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Joined: 26 Nov 2002
Posts: 12376
Topics: 75
Location: San Jose
PostPosted: Tue Feb 03, 2009 8:07 pm    Post subject: Reply with quote
pcmoonbeam,

Quite simple. It can be done in the same sql itself. (untested)
Code:

UPDATE HOURS.A2BKCNT X
   SET X.FAMILY_ID   = (SELECT Z.FAMILY_ID
                          FROM FDBEL.REG_MASTER Z
                         WHERE X.SSNO = Z.PART_SSNO
                           AND 0      = Z.RELATION_ID)
      ,LASTUPDT      = CURRENT TIMESTAMP
      ,USERID        = 'JMN FAMID'
      ,CREATE_USERID = 'FBHR216'
      ,CREATE_DATE   = TIMESTAMP(WRKPERIOD + 2 MONTHS,TIME('00:00:00'))



This will set the create_date = date(wkrperiod + 2 months)-00.00.00.000000

Alternatively you can use

Code:

      ,CREATE_DATE   = TIMESTAMP(WRKPERIOD + 2 MONTHS,CURRENT TIME)



This will set the create_date = date(wkrperiod + 2 months)-18.00.52.000000
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pcmoonbeam
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Joined: 21 Nov 2005
Posts: 31
Topics: 10
Location: Orange County, California
PostPosted: Wed Feb 04, 2009 11:31 am    Post subject: Reply with quote
Kolusu,
I'll give it a try and let you know the result. Morning Cofee
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PCMOONBEAM
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pcmoonbeam
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Joined: 21 Nov 2005
Posts: 31
Topics: 10
Location: Orange County, California
PostPosted: Wed Feb 04, 2009 11:37 am    Post subject: Reply with quote
Kolusu,
You are my hero!! It worked like a charm. Thank you very much. claps
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PCMOONBEAM
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