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Hi all,

I have the following sql statement

SELECT ihponb, iiupc, TO_NUMBER(iiupc) AS to_number,
COALESCE(TO_NUMBER(iiupc), 0) AS coalesce, iiqtsh
FROM amcdta.ivrcvhp
JOIN amcdta.ivrcvdpbad
ON iivndn = ihvndn
AND iiivnb = ihivnb
WHERE ihponb = '103446'

which results in

IHPONB IIUPC TO_NUMBER COALESCE IIQTSH
103446 0045E1020040 - - 2989.400
103446 4531021916 4531021916 4531021916 7196.800
103446 4531021936 4531021936 4531021936 5667.200
103446 0 0 2730.400
103446 004531028057 4531028057 4531028057 1600.000
103446 004531028126 4531028126 4531028126 1600.000
103446 004531028147 4531028147 4531028147 1760.000
103446 004531028516 4531028516 4531028516 2639.700
103446 004531029600 4531029600 4531029600 2791.300

I've checked the manual (V7R3) and COALESCE states

"The arguments are evaluated in the order in which they are specified, and
the
result of the function is the first argument that is not null. The result
can be null
only if all arguments can be null, and the result is null only if all
arguments are
null."

So I don't understand why the result in the COALESCE column in row 1 is not
zero as zero is being specified as the second parameter in the
COAESCE function.

Can anyone enlighten me as I'm stumped.

Thanks,

Rob

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