RE: SQL0420 error

The second parameter in IFNULL must match the data type of the column.
It seems sl.pid is numeric, so you have to specify IFNULL(s.PID, 0) (or any
other numeric value)

Mit freundlichen Grüßen / Best regards

Birgitta Hauser
Modernization ? Education ? Consulting on IBM i
Database and Software Architect
IBM Champion since 2020

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-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Art
Tostaine, Jr.
Sent: Thursday, 23 January 2025 16:23
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: SQL0420 error

How do I handle this error? This only happens when using EXEC SQL in RPG but
not in iACS Sql.

PID is define as char(30)

CODE:
select ln.lv1, ifnull(sl.pid,' ') from e832 ln left join e832sln sl on
ln.mid = sl.mid and ln.seq = sl.seq where ln.shp = :shp and ln.LV4 = 'PPK'
order by ln.lv1

Message . . . . : Value for cast argument not valid.

Cause . . . . . : A character in the argument for a casting function was
not
correct or the argument could not be converted to a numeric value.

For the INTERPRET function, the length of the first argument must
exactly
match the length required for the result data type. For example, an
integer
result data type requires the first argument to have a length of four.

The following information can be used to help identify the source of the
error: .
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