xact_start meaning when dealing with procedures?

On Thu, Aug 09, 2018 at 07:49:31PM +0200, hubert depesz lubaczewski wrote:

I just noticed that when I called a procedure that commits and rollbacks
- the xact_start in pg_stat_activity is not updated. Is it intentional?

I'm on newest 12devel, built today.

That sounds incorrect to me. I did not test directly but I am adding an
open item. Peter?
--
Michael