Subject Re: [firebird-support] Parameter problem
Author Dimitry Sibiryakov
On 7 Apr 2004 at 20:04, uak6wv wrote:

>I found that the problematic part is "(:old_last_name2 is null)"
>expression.
>If I remove that there's no trouble. What can I do?

If you use this query from client side (not in SP), construct the
query on-the-fly.

SY, Dimitry Sibiryakov.