On Mon, Sep 1, 2014 at 12:55 PM, Andres Freund <andres@2ndquadrant.com> wrote:
> The likelihood of us now knowing all the things that we want to break
> rigth now seems about zero. There *will* be further ones. If we go with
> the approach of creating new language versions for all of them we'll end
> up with a completely unmaintainable mess. For PG devs, application dev
> and DBAs.
PL/pgSQL was added in 1998 (16 years ago).
Compared this with again Python:
1994 Python 1.0
2000 Python 2.0 (6 years later)
2008 Python 3.0 (8 years later)
Of course we don't know all the things we want to break in the *future*,
but there is a good chance all users of PL/pgSQL know what they want
to change *today*,
thanks to the 16 years of active development in the language.
In 16 years from now, maybe there is a need for PL/pgSQL 3, or maybe
not, who knows.