On Wed, May 12, 2021 at 10:57:25AM +0200, Pavel Stehule wrote: > > My second proposal can work for your example too. pg_stat_statements have > to require any active queryid computing. And when it is not available, then > the exception should be raised. > > The custom queryid can return null, and still the queryid will be computed. > Maybe the warning can be enough. Just, if somebody use pg_stat_statements > function, then enforce the check if queryid is computed (compute_query_id > is true || some hook is not null), and if not then raise a warning.
Ah I'm sorry I misunderstood your proposal. Yes, definitely adding a warning or an error when executing pg_stat_statements() SRF would help, that's a great idea! I'll wait a bit in case someone has any objection, and if not send an updated patch!
