pg_tablespace.spclocation column is gone in PostgreSQL 9.2. It's been
replaced by pg_tablespace_location(oid) function. Attached is a patch to
fix a query used by pgAdmin accordingly.
(this started to get on my nerve, as the query is executed every time
you connect to a database..)
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Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com