Subject Overflow on multiplying decimals
Author Maya Opperman
Hi,

Is there an way of preventing an overflow error no the following stored procedure calculation:


OExtendedPrice = cast((IPrice * IQty) as decimal(18,2));

IQTY decimal(18,3) = 100.000
IPRICE decimal(18,2) = 4,039,250,052,178.13
OEXTENDEDPRICE decimal(18,2) will be 403,925,005,217,813.00 (still within 18 significant digits, 17 actually)

I tried

OExtendedPrice = cast((IPrice * IQty) as decimal(18,2));

but it still gives an error.

I know it gives an error because the result is 403,925,005,217,813.00000 before being passed to 403,925,005,217,813.00, but is there any way I can tell it to drop the last 3 decimal places up front?


Thanks
Maya



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