Arno Brinkman wrote:

>
> Now is my proposal to extend these information items
> with isc_info_rsb_estimation and under this item the
> items for cardinality, selectivity and cost.

Agreed.

> The next question is how to represent a double
> (which data structure) in those information items.

What about SLONG (float) and SINT64 (double), accordingly to the IEEE
754 storage layout?


Dmitry