From: PG Bug reporting form <noreply@postgresql.org>
To: pgsql-bugs@lists.postgresql.org
Cc: n.bartek3762@gmail.com
Subject: BUG #19098: Can't create unique gist index, where pg_indexes says that WITHOUT OVERLAPS does exacly that
Date: Wed, 29 Oct 2025 09:54:24 +0000
Message-ID: <19098-7f8deb5093c13da2@postgresql.org> (raw)
The following bug has been logged on the website:
Bug reference: 19098
Logged by: Bartłomiej Nowak
Email address: n.bartek3762@gmail.com
PostgreSQL version: 18.0
Operating system: Linux pop-os x86_64
Description:
Using unique constraint, at Postgres 18, I am able to use `WITHOUT OVERLAPS`
using that, in fact I created index, that I can see at pg_indexes:
`CREATE UNIQUE INDEX inventoryoffer_unique_index ON public.test_table USING
gist (inventory_id, account_id, from_offer_id, for_account_id,
_availability_range);`
It says, that it is gist UNIQUE index.
But if I would like to just create index like that (copy and paste that
definition from pg_indexes)
I am getting error:
[0A000] ERROR: access method "gist" does not support unique indexes
which sounds weird, in fact of `WITHOUT OVERLAPS` existence
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To: pgsql-bugs@postgresql.org
Cc: noreply@postgresql.org, pgsql-bugs@lists.postgresql.org, n.bartek3762@gmail.com
Subject: Re: BUG #19098: Can't create unique gist index, where pg_indexes says that WITHOUT OVERLAPS does exacly that
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