RE: UDF bad performance

Does a view with that calculation in it perform better than a UDF?

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Carel
Sent: Friday, May 10, 2019 10:01 AM
To: midrange-l@xxxxxxxxxxxxxxxxxx
Subject: Re: UDF bad performance

Drop the UDF and do it directly in the SQL statement.

Kind regards,
Carel Teijgeler

Op 10-5-2019 om 15:29 schreef Justin Taylor:

I have this UDF that returns an integer:
BEGIN
RETURN CEILING ( LENGTH * WIDTH * HEIGHT / 166 ) ;
END

Calls to this UDF take a lot longer than I expect (about 21x longer than an index-based SELECT statement). I checked all the parameters, and the data types match verbatim so there shouldn't be any implicit conversions.

Any suggestions?


TIA

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