From: Tomas Vondra <tomas.vondra@enterprisedb.com>
To: Victor Yegorov <vyegorov@gmail.com>
Cc: PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>
Cc: Alexander Korotkov <aekorotkov@gmail.com>
Subject: Re: BUG #17406: Segmentation fault on GiST index after 14.2 upgrade
Date: Wed, 23 Feb 2022 16:41:22 +0100
Message-ID: <e544c795-2c7a-e662-19d2-e34da12bfa66@enterprisedb.com> (raw)
In-Reply-To: <c733dae0-15ba-bcdd-e465-1a9f2fdefebf@enterprisedb.com>
References: <17406-71e02820ae79bb40@postgresql.org>
<cb3a777a-99c7-f671-532d-b828a2223502@enterprisedb.com>
<CAGnEbojzf-uObyWeu1MPNKaYsnL_U2kg48K6Ec43waPRBu3DrQ@mail.gmail.com>
<788a0a51-b1e3-3601-5783-3f6488796ec4@enterprisedb.com>
<CAGnEboiQ-cnhXceFa9WfXk7y06fuVVsf9WcmEdPerjqth8QJxA@mail.gmail.com>
<c733dae0-15ba-bcdd-e465-1a9f2fdefebf@enterprisedb.com>
On 2/23/22 16:36, Tomas Vondra wrote:
>>
>> I got approval to send a table with its data and index in the subject
>> datafile.
>> Taken from the v14 database.
>>
>
> Thanks for the data! I've been able to reproduce the issue (load into
> 12, pg_upgrade to 14 and run the query). After bisecting this for a
> while, this seems like a bug in PG13 commit
>
> commit 911e70207703799605f5a0e8aad9f06cff067c63 (HEAD)
> Author: Alexander Korotkov <akorotkov@postgresql.org>
> Date: Mon Mar 30 19:17:11 2020 +0300
>
> Implement operator class parameters
>
> ...
>
> It works fine when upgrading to an earlier build, and crashes since this
> commit. I haven't investigated this further, but I guess there's some
> thinko in gist_ltree_ops, affecting how we interpret existing indexes.
>
> Alexander, any ideas?
>
Sorry, I accidentally used Alexander's old address, so let me CC him
with the correct/current one.
regards
--
Tomas Vondra
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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To: pgsql-bugs@postgresql.org
Cc: tomas.vondra@enterprisedb.com, vyegorov@gmail.com, pgsql-bugs@lists.postgresql.org, aekorotkov@gmail.com
Subject: Re: BUG #17406: Segmentation fault on GiST index after 14.2 upgrade
In-Reply-To: <e544c795-2c7a-e662-19d2-e34da12bfa66@enterprisedb.com>
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