> >Helen, any plans for Firebird to support 'SELECT * FROM TEST
> WHERE A = NULL'?
>
> No, that will never happen because there is no equivalence
> for Null. "Null
> is a state not a value".

I would suggest to add NULL support in TIB_Query.Params instead, if it
doesn't exist already. I imagine that after TParams[xx].Clear; the
underlying statement would be interpreted as '<param> IS NULL' without
having to change the SQL property in code.
Not being familiar with the details of implementation, I only hope that it's
a reasonable request. It's definitely nothing urgent, though.

TOndrej