> The statistics for this statement should show a lot of page_reads.
> But mon$io_stats always show zero.
> Curiously, the io_stats for the transaction and for the attachment did
> show a correct increase in page_reads.
>
> Why the io_stats and record_stats for stored procedures are not being
> accounted at the statement level?
> Is this a bug or a design decision?

Bug. Fill it at tracker, please.

Regards,
Vlad