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None of that documentation says what happens if the string_expression does not represent a valid number.

It does say that if any argument of TO_NUMBER is null, the result will be null.

On a v7r2 box,

values(to_number('0045E1020040'))

....+....1....+....2....+....3....+....4..
                                    VALUES
++++++++++++++++++++++++++++++++++++++++++
********  End of data  ********


values(coalesce(to_number('0045E1020040'),0))

....+....1....+....2....+....3....+....4..
                                    VALUES
++++++++++++++++++++++++++++++++++++++++++
********  End of data  ********



On 4/10/2020 2:46 PM, Rob Berendt wrote:
Actually to_number is plainly document in the database section of the IBM i Knowledge Center. Get into the habit of starting there. Bookmark the site.
Basically it says it is a duplicate of DECFLOAT_FORMAT.
https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_74/db2/rbafzscatonumber.htm

One could also look up valid floating decimal formats there although one may have to research further in that same center for that.

I just not feeling activating the VPN to try out some samples.


Rob Berendt


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