Re: upgrading postgres 7.3.4 to 9.1.9

I'm not sure you'll get this if you use the 9.1 pg_dump. In any event, I
think it could be safely ignored if you do so.

> ERROR: could not access file "$libdir/plperl": No such file or
> directory
> ERROR: function public.plperl_call_handler() does not exist
> ERROR: could not access file "$libdir/plperl": No such file or
> directory
> ERROR: language "plperlu" does not exist

I would use CREATE EXTENSION for plperlu on the 9.1 database before
attempting to restore.

> Because of the above errors I tried the following
>
> /usr/local/pgsql9/bin/createlang -p59999 plperl template1
>
> createlang: language installation failed: ERROR: could not open
> extension control file
> "/usr/local/pgsql9/share/extension/plperl.control": No such file or
> directory

Thanks Kevin, in psql I keep getting the following errors: I saw what it is
explained in
http://stackoverflow.com/questions/12136033/install-pl-perl-in-postgresql
But I am not sure if this installation command "yum install perl-devel" will
work without affecting other special setups.

template1=# CREATE EXTENSION plperl;
ERROR: could not open extension control file
"/usr/local/pgsql9/share/extension/plperl.control": No such file or
directory
template1=# CREATE EXTENSION plperlu;
ERROR: could not open extension control file
"/usr/local/pgsql9/share/extension/plperlu.control": No such file or
directory

Can I try the following , I just don’t want to break other databases already
running on postgres9

Stop all instances from running

./configure --with-perl --prefix=$PATH
Gmake
Gmake install

And then create an instance, and then pg_restore.

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