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The best (IMHO) way to do this...

create function CvtNumISOtoDate(indte Numeric(8,0)) returns Date    
language SQL

not fenced

deterministic no external action

returns null on null input

contains SQL

set option datfmt=*ISO

begin

  declare INVALID_DATETIME condition for '22007';

  declare exit handler for INVALID_DATETIME

    begin

      resignal sqlstate '01HD1'

        set message_text = 'Invalid date/time replaced by NULL';

      return NULL;

    end;

  return(

     case indte

      when 0 then NULL

      when 99999999 then date('9999-12-31')

      else date(substr(digits(indte),1,4) concat '-' concat   
                substr(digits(indte),5,2) concat '-' concat   
                substr(digits(indte),7,2))                    
     end                                                      
   );                                                         
end;                                                          


The to use it you just:

Select CvtNumISOtoDate(mynumdate) from somefile


HTH,


Charles Wilt
--
iSeries Systems Administrator / Developer
Mitsubishi Electric Automotive America
ph: 513-573-4343
fax: 513-398-1121
  

> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx 
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of 
> michael@xxxxxxxxxxxxxxxxxx
> Sent: Monday, December 05, 2005 11:49 AM
> To: Midrange Systems Technical Discussion
> Subject: SQL - Cast Numeric to Date
> 
> I have an 8.0 field in a file. I want to do something like this:
> 
> Select Date(Num_Field) as Mydate...
> 
> I can see how to do it with a CAST on a character field - 
> what do I need
> to do for a numeric field in CCYYMMDD format? It's not really ISO...at
> least I can't see how to specify no seperators.
> 
> Thanks...
> 
> -- 
> This is the Midrange Systems Technical Discussion 
> (MIDRANGE-L) mailing list
> To post a message email: MIDRANGE-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
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> 
> 


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