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Message Posted: Sun, 27 Mar 2005 @ 03:29:12 GMT


     
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Subj:   2616 numeric overflow while calculating huge numbers
 
From:   Pandey, Vivek

Hi All,

I am populating a DECIMAL (18, 2) column by doing a computation as below.

     COALESCE (CAST ((t1.amount * t2.rate) AS DECIMAL (18, 2)), 0.0)

The issue is some of the 'amount' values in t1 when multiplied with 'rate' value in t2 go beyond the Teradata max decimal limit. For e.g. a combination like below.

     T1.A                  T2.B
     -1815091030215.00     1633986.92810458

Here T1.A * T2.B = -2965835016691185249.4598847

What should be done to avoid this, any thoughts?

Putting a where condition like

WHERE (T1.A * T2.B) < 9999999999999999.99 will not help as anyway the product needs to be calculated before comparison which will again cause 2616 error.


Thanks & Regards

Vivek



     
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