On Fri, 7 Jun 2019 at 08:48, Peter Geoghegan <pg@xxxxxxx> wrote: > Andres has > suggested that I work on variable-width table identifiers in nbtree > for the benefit of pluggable storage engines, but I don't have much > enthusiasm for the idea of doing that without delivering a clear > benefit to users in the same release. You may already be aware, but another use case for such variable-width identifiers was with indirect indexes as discussed in [1] [1] https://www.postgresql.org/message-id/20161018182843.xczrxsa2yd47pnru%40alvherre.pgsql -- David Rowley http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services