Jan Wieck <JanWieck(at)Yahoo(dot)com> writes:
>     So outing myself not beeing a *real programmer*, this is what
>     I have so far:
Hmm ... what is the performance of all this like?  Seems like a lot
of overhead.  Can it be turned off?
>     * Backends call some collector functions  at  various  places
>       now  (these  will  finally  be macros), that count up table
>       scans, tuples returned by scans,  buffer  fetches/hits  and
>       the like.
Have you removed the existing stats-gathering support
(backend/access/heap/stats.c and so on)?   That would buy back
at least a few of the cycles involved ...
			regards, tom lane