Re: compute_query_id and pg_stat_statements

On Wed, May 12, 2021 at 07:49:13AM +0200, Pavel Stehule wrote:
> 
> > Ah, I missed that case.  And we are wanting to use pg_stat_statements
> > with (almost) zero-config?  How about the following behavior?
> >
> >
> Until now, the pg_stat_statements was zero-config. So the change is not
> user friendly.

Apart from configuring shared_preload_libraries, but agreed.

> The idea so pg_stat_statements requires enabled computed_query_id is not
> good. There should be dependency only on the queryid column.

I agree that requiring to change compute_query_id when you already added
pg_stat_statements in shared_preload_libraries isn't good, and the patch I sent
yesterday would fix that.