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On Thu, 18 Nov 2004 15:45:02 -0600, Joe Pluta
<joepluta@xxxxxxxxxxxxxxxxx> wrote:
> Given any file with a sequence number field, what is the simplest method
> to update the sequence number field to number the records sequentially
> based on an arbitrary view for which there is no logical.
> 
> So far, my way is the fewest steps: use STRSQL to sort the records into
> a temp file, then copy the temp file to the original.  Paul suggested
> FMTDTA, but as far as I know that requires creating another source
> member with the sort criteria.  Not impossible, but it's an additional
> step.  Same with creating a logical view and using that to reorganize
> the file: one extra step.

It seems that there are two steps to the problem.

1. Get the records into the order you want.
2. Update the sequence number with the RRN

Step 1 seems straight-forward . . . 

INSERT INTO TJLIB/TESTSRC1 (SRCSEQ, SRCDAT, SRCDTA) SELECT * FROM
tjlib/testsrc ORDER BY SRCDTA 

Step 2 is easy in RPG, but I can't get a SQL statement to work for the
life of me.

UPDATE TJLIB/TESTSRC1SET SRCSEQ = RRN(TESTSRC1)       

Fails with a "Conversion Error"

-- 
Tom Jedrzejewicz
tomjedrz@xxxxxxxxx

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