Re: obsoleting plpython2u and defaulting plpythonu to plpython3u

Peter Eisentraut <peter.eisentraut@2ndquadrant.com>

From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Pavel Raiskup <praiskup@redhat.com>, PostgreSQL Hacker <pgsql-hackers@postgresql.org>
Date: 2018-04-24T22:17:05Z
Lists: pgsql-hackers
On 4/24/18 07:13, Pavel Raiskup wrote:
> .. the status quo seems to be bit optimistic with the "distant future",
> and we should start thinking about dropping plpython2 support, same as
> upstream (a bit optimistically too, IMO) does [1].

I don't think we are going to drop Python 2 support anytime soon.

> What's the expected future migration path from plpython2 to plpython3 in
> such cases?  I'm thinking about rewrite of the docs and creating some
> scripting which could simplify the migration steps.  Would such patches be
> welcome at this point?

I'm not sure what you have in mind.  In many cases, you can just change
the LANGUAGE clause.  I suppose you could run 2to3 over the function
body?  Write a PL/Python function to run 2to3?

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


Commits

  1. Adjust hints and docs to suggest CREATE EXTENSION not CREATE LANGUAGE.