On Tue, Mar 4, 2025 at 10:12 AM Andrei Lepikhov <lepihov@gmail.com> wrote:
> Also, I think this feature is quite close to the discussion on the
> possibility of adding an extensible list field into Query, PlanState,
> Plan, etc. nodes to let extensions gather and transfer some additional
> data starting with the first 'analyze' hook up to the end of execution.
> For example, in solving user issues, I frequently need to know
> predictions on the number of groups in Memoize, IncrementalSort and some
> other nodes. Such extensibility could allow an extension to gather such
> internal data during the planning stage and show it in the explain
> without any changes in the core!
If you're saying there's a -hackers discussion on this, could you
provide a link? I haven't seen it.
--
Robert Haas
EDB: http://www.enterprisedb.com
