From: Tom Lane <tgl@sss.pgh.pa.us>
To: Wells Oliver <wells.oliver@gmail.com>
cc: pgsql-admin@lists.postgresql.org
Subject: Re: postgres 9.6.8 to 10 on Ubuntu 16.04.4 LTS --- tsearch2
 unloadable...
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Comments: In-reply-to Wells Oliver <wells.oliver@gmail.com>
	message dated "Tue, 27 Mar 2018 21:53:27 -0700"
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Date: Wed, 28 Mar 2018 01:26:59 -0400
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Wells Oliver <wells.oliver@gmail.com> writes:
> I get that this library is no longer need. It's blowing up my upgrade to
> 10. Output:
> could not load library "$libdir/tsearch2": ERROR:  could not access file
> "$libdir/tsearch2": No such file or directory

> But I can't see how or where this library is still installed. Running \dx
> on my database:

Did you check every database in the cluster?

If you did, then maybe you have some "loose" (pre-extensions) tsearch2
functions laying about somewhere.  Look through pg_proc for functions
with probin = '$libdir/tsearch2'.  Again, check every DB.

			regards, tom lane