Peter Eisentraut <peter_e@gmx.net> writes:
> The problem is apparently that when CREATE LANGUAGE creates a language
> from a pg_pltemplate entry, it creates the proname from the tmplhandler
> name, and if it finds a fitting proname entry already, it used that one.
> So when you create plpython2 first and plpython3 second, the pg_language
> entries of the latter point to the pg_proc entries of the former.
> If you fix that up manually (create additional pg_proc entries and fix
> the pg_language entries to point there), it works better.
The fix ought to be to change the function nmes used by plpython3 ...
regards, tom lane
