Have a look at the FBUDF code that's currently on sourceforge, it should
contain what you are looking for.

Regards
Paul Beach
Main Tel (UK):+44 (0) 1844 354465
Mobile: (UK): +44 (0) 7764 188603
http://www.ibphoenix.com

----- Original Message -----
From: Dimitar Selensky <selensky@...>
To: IB Yahoo <ib-support@yahoogroups.com>
Sent: Sunday, September 16, 2001 5:29 PM
Subject: [ib-support] UDFs and NULL


> Is there a way to tell that a certain parameter passed to an UDF function
is null?
>
> I need a function like NVL(<field>, <value>) which will return <value> if
<field> is null and <field> itself if it isn't null...
>
> -- Dimitar
>
>
> [Non-text portions of this message have been removed]
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