On Tue, Jun 16, 2026 at 01:25:27PM -0400, Corey Huinker wrote: > I know this is a corner-case of a corner-case, but if " AND s.stainherit > OPERATOR(pg_catalog.=) p.inherited", we might then get a false negative > from a situation like this: > > t2 inherits t1 > t1 has ineritance stats but somehow not regular stats > t2 dis-inherits from t1, t1 is no longer p.inherited = true, but inherited > stats remain > > vacuumdb goes looking for matches, sees that t1 is p.inherited = false, > find the old inherited stat row, not realizing it should have been looking > for a non-inherits row.
Since p.inherited is set based on the relkind, it could only change if the table was converted from partitioned to not partitioned. IIRC that's not currently possible. -- nathan
