On Thu, Dec 5, 2024 at 12:03:30PM -0500, Bruce Momjian wrote: > On Thu, Dec 5, 2024 at 12:00:30PM -0500, Tom Lane wrote: > > Bruce Momjian <br...@momjian.us> writes: > > > On Thu, Dec 5, 2024 at 11:33:22AM -0500, Tom Lane wrote: > > >> I don't think we can do this as presented. Maybe we could do > > >> something like constrain the stored value to be only 0 or 1, > > >> but how much does that improve matters? > > > > > Well, then the question becomes will we retain useless system columns > > > forever? > > > > If the choice is "not break PHP" versus "get rid of a vestigial column", > > I know which one is the saner choice. There might be things that are > > worth breaking PHP for, but this isn't one. > > I guess I just don't want to get into a situation where we have so many > useless backward-compatible system columns it is distracting.
How about if we set attndims & typndims to zero in PG 18, and mention that these fields are deprecated in the release notes. Then, in a few years, we can remove the columns since interfaces hopefully would have removed the useless references to the columns. -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com Do not let urgent matters crowd out time for investment in the future.