Try explicitly to cast a.numMonthsActive to an Decimal Value.
Mit freundlichen Grüßen / Best regards
Birgitta Hauser
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-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxx> On Behalf Of Steve
Richter
Sent: Mittwoch, 24. Oktober 2018 18:16
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: rules for SQL division and rounding?
The problem is probably the CASE statement...
decimal(
case
when a.numMonthsActive = 0 then 0
else ROUND(a.sumQtyShip / a.numMonthsActive,2)
end,
8,2) ShipQtyPerMonth
specifically, the "then 0"
DB2 takes the data type from the first expression...
try "then 0.00"
tried the 0.00. Still same error.
decimal( case when a.numMonthsActive = 0 then 0.0
else a.sumQtyShip / a.numMonthsActive end,
8,2) ShipQtyPerMonth4,
but casting the a.sumQtyShip variable to decimal does work. Which is nuts
in that a.sumQtyShip is the SUM of the DECIMAL value returned by a function.
decimal( case when a.numMonthsActive = 0 then 0.0
else DECIMAL(a.sumQtyShip,9,0) / a.numMonthsActive end,
8,2) ShipQtyPerMonth4,
here is how sumQtyShip is calculated:
sum(hsdet_SumShipQty(0,a.itno,vFromDate,vToDate, inwhid)) sumQtyShip,
CREATE OR REPLACE FUNCTION hsdet_ShipQtyPerMonth( inCono decimal(2,0),
inItno char(27), inFromDate date, inToDate date,
inWhid char(2))
RETURNS decimal(9,2)
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