On Wed, Aug 29, 2018 at 06:09:53PM +0000, Gunnlaugur Thor Briem wrote: > Hi, > > I'm trying to upgrade an old PG 9.4 cluster to PG 10, and it's failing on > creating an index that uses the unaccent(text) function. > > That function is part of the unaccent extension, which is installed in the old > DB cluster. I expect pg_upgrade to create that extension as part of the > upgrade. It does create other extensions that are installed in the old DB > cluster. I don't get why this one isn't included. This is caused by security changes made in PG 10.3 and other minor releases. Please see this thread for an outline of the issue: https://www.postgresql.org/message-id/flat/152106914669.1223.5104148605998271987%40wrigleys.postgresql.org I think you have to change your index function to specify the schema name before the unacces function call, e.g. SELECT lower(public.unaccent(btrim(regexp_replace( -- Bruce Momjian <bruce@xxxxxxxxxx> http://momjian.us EnterpriseDB http://enterprisedb.com + As you are, so once was I. As I am, so you will be. + + Ancient Roman grave inscription +