From: Tom Lane <tgl@sss.pgh.pa.us>
To: Jean-Christophe Boggio <postgresql@thefreecat.org>
Cc: pgsql-performance@lists.postgresql.org
Subject: Re: Performance degradation with CTEs, switching from PG 11 to PG 15
Date: Wed, 22 Nov 2023 11:07:28 -0500
Message-ID: <1696363.1700669248@sss.pgh.pa.us> (raw)
In-Reply-To: <620b9acb-1989-43a3-839e-ff7286cebfe2@thefreecat.org>
References: <6245f4b6-e608-4d87-9cd8-d0a7a1b5f9d4@thefreecat.org>
<211a58a6-5741-a0a2-db97-0e79f75d9d4f@a-kretschmer.de>
<620b9acb-1989-43a3-839e-ff7286cebfe2@thefreecat.org>
Jean-Christophe Boggio <postgresql@thefreecat.org> writes:
> I did upgrade :-) But we have many users for which we don't decide on
> when they do upgrade so we have to keep compatibility with most versions
> of PG and in that particular case (non-existence of the materialized
> keyword for PG 11 and before) it is a real problem.
PG 11 is out of support as of earlier this month, so your users really
need to be prioritizing getting onto more modern versions.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, postgresql@thefreecat.org, pgsql-performance@lists.postgresql.org
Subject: Re: Performance degradation with CTEs, switching from PG 11 to PG 15
In-Reply-To: <1696363.1700669248@sss.pgh.pa.us>
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