Sorry for the late reply, but as far as I know when you run pg_stat_reset() you should always run analyze manually of the database to populate the statistics.
Strahinja Kustudić | Lead System Engineer | Nordeus
On Tue, Oct 1, 2013 at 1:50 PM, Xenofon Papadopoulos <xpapad@gmail.com> wrote:
If we reset the statistics counters using pg_stat_reset() will it affect the performance of the database? Eg are these the same statistics used by the planner?