On 2018-Dec-15, Peter Eisentraut wrote:
> An example:
>
> select pg_stat_statements_reset(
> 10,
> (select min(oid) from pg_database where datname like 'test%'),
> 1234);
>
> (This is obviously a weird example, but it illustrates the
> language-theoretic point.)
This is not at all weird. Lack of clarity on this point is the reason
that spawned this whole sub-thread, because a reset was removing data
that was not about the query that was intended.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services