On 8/1/05, Mike Matrigali <[EMAIL PROTECTED]> wrote: > I still think > it would be nice if the optimizer could tell that an expression in > a where clause matched the result of the expression which generated > the column, otherwise indexes on the generated column aren't as interesting. >
The expression used for the generated column must be stored in the data dictionary. Does derby serialize expressions? I was looking around in the classes in impl/sq/compile (ValueNode and such) and these classes don't seem to implement Formatable. Manish
