Re: pg_upgrade from 18beta1 -> 18beta3 - problem with btree_gist contrib module / extension

On 8/20/25 05:50, Achilleas Mantzios wrote:
> pg_restore: from TOC entry 4295; 1255 596569951 FUNCTION
> gist_stratnum_btree(integer) postgres
> pg_restore: error: could not execute query: ERROR:  could not find
> function "gist_stratnum_btree" in file "/usr/local/pgsql/lib/btree_gist.so"
> Command was: CREATE FUNCTION "public"."gist_stratnum_btree"(integer)
> RETURNS smallint
>    LANGUAGE "c" IMMUTABLE STRICT PARALLEL SAFE
>    AS '$libdir/btree_gist', 'gist_stratnum_btree';

I can not find gist_stratnum_btree in:

https://www.postgresql.org/docs/18/btree-gist.html

or in the source.

How did it end up in the database?

>
>
> The solution was to somehow restart 18beta1, drop btree_gist and all its
> dependent constraints / indexes / objects , pg_upgrade and finally re-
> create extension and dependent objects.
>

Something more then DROP EXTENSION/CREATE EXTENSION btree_gist?

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com