Horton

pg_upgrade with plpython is broken

Peter Eisentraut <peter_e@gmx.net>

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From: Peter Eisentraut <peter_e@gmx.net>
To: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2011-12-19T15:16:44Z
Lists: pgsql-hackers 
Upgrading an instance containing plpython from <=8.4 to >=9.0 is broken
because the module plpython.so was renamed to plpython2.so, and so the
pg_upgrade check for loadable libraries fails thus:

    Your installation references loadable libraries that are missing from the
    new installation.  etc.

Installing a symlink fixes the issue.  Should we teach pg_upgrade about
this renaming, or should we install the symlink as part of the standard
installation?