Re: PG 13 release notes, first draft

On Mon, May 11, 2020 at 6:23 PM Bruce Momjian <bruce@momjian.us> wrote:
> OK, I was able to add some of it cleanly:
>
>         This allows efficient btree indexing of low cardinality columns by
>         storing duplicate keys only once.  Users upgrading with pg_upgrade
>         will need to use REINDEX to make use of this feature.

That seems like a reasonable compromise. Thanks!

-- 
Peter Geoghegan