On Tue, Sep 10, 2024 at 10:16:34AM +1200, David Rowley wrote: > I think the primary use case here is to assist in dropping useless > indexes in a way that can very quickly be undone if the index is more > useful than thought. If you didn't keep the index up-to-date then that > would make the feature useless for that purpose. > > If we get the skip scan feature for PG18, then there's likely going to > be lots of people with indexes that they might want to consider > removing after upgrading. Maybe this is a good time to consider this > feature as it possibly won't ever be more useful than it will be after > we get skip scans.
+1, this is something I've wanted for some time. There was some past discussion, too [0]. [0] https://postgr.es/m/flat/ed8c9ed7-bb5d-aaec-065b-ad4893645deb%402ndQuadrant.com -- nathan