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Message-ID: <54d352ad-3f64-4492-aaaf-1ebaeac5471c@aklaver.com>
Date: Wed, 20 Aug 2025 07:39:06 -0700
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Subject: Re: pg_upgrade from 18beta1 -> 18beta3 - problem with btree_gist
 contrib module / extension
To: Achilleas Mantzios <a.mantzios@cloud.gatewaynet.com>,
 "pgsql-general@lists.postgresql.org" <pgsql-general@lists.postgresql.org>
References: <4d301501-9985-4e68-b1c1-2360c251048c@cloud.gatewaynet.com>
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From: Adrian Klaver <adrian.klaver@aklaver.com>
In-Reply-To: <4d301501-9985-4e68-b1c1-2360c251048c@cloud.gatewaynet.com>
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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.klaver@aklaver.com