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change year portion of db2 date field

 
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tcurrier
Intermediate


Joined: 10 Feb 2006
Posts: 188
Topics: 68
PostPosted: Wed May 19, 2010 5:51 pm    Post subject: change year portion of db2 date field Reply with quote
Hello,

I have a DB2 date column with various dates and I want to change the 'year' (ccyy) portion of all the dates to '2010' ....

e.g.

2006-10-05
2008-02-10
2009-03-20

to :

2010-10-05
2010-02-10
2010-03-20

Thanks for any help.....
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NASCAR9
Intermediate


Joined: 08 Oct 2004
Posts: 274
Topics: 52
Location: California
PostPosted: Wed May 19, 2010 6:40 pm    Post subject: Reply with quote
tcurrier,

this works, not sure how efficient it is.
Code:



set your_date = your_date + (SELECT  YEAR('2010-12-31'  - your_date )
                    FROM SYSIBM.SYSDUMMY1  ) YEARS   

_________________
Thanks,
NASCAR9
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12375
Topics: 75
Location: San Jose
PostPosted: Wed May 19, 2010 7:07 pm    Post subject: Reply with quote
tcurrier,

You can also use this

Code:

UPDATE TABLE                                   
   SET DATE_COL = DATE_COL + (INT(2010) - YEAR(DATE_COL)) YEARS
 ;                                                 


Kolusu
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tcurrier
Intermediate


Joined: 10 Feb 2006
Posts: 188
Topics: 68
PostPosted: Wed May 19, 2010 7:57 pm    Post subject: Reply with quote
amazing.... thank you both !
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