Re: Proposal to use JSON for Postgres Parser format

On Tue, Sep 20, 2022 at 3:58 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
> > FWIW, it derives from Lisp s-expressions, but deviates from Lisp's
> > default reader/printer behaviour in small ways, including being case
> > sensitive and using {NAME :x 1 ...} instead of #S(NAME :x 1 ...) for
> > structs for reasons that are lost AFAIK (there's a dark age between
> > the commit history of the old Berkeley repo and our current repo, and
> > it looks like plan nodes were still printed as #(NAME ...) at
> > Berkeley).
>
> Wow, where did you find a commit history for Berkeley's code?
> There's evidence in the tarballs I have that they were using
> RCS, but I never heard that the repo was made public.

One of the tarballs at https://dsf.berkeley.edu/postgres.html has the
complete RCS history, but Stas Kelvich imported it to github as Peter
G has just reported faster than I could.