On 2021-Jan-07, Tomas Vondra wrote: > On 1/7/21 1:46 AM, Tatsuro Yamada wrote:
> > I overlooked the check for MCV in the logic building query > > because I created the patch as a new feature on PG14. > > I'm not sure whether we should do back patch or not. However, I'll > > add the check on the next patch because it is useful if you decide to > > do the back patch on PG10, 11, 12, and 13. > > BTW perhaps a quick look at the other \d commands would show if there are > precedents. I didn't have time for that. Yes, we do promise that new psql works with older servers. I think we would not backpatch any of this, though. -- Álvaro Herrera