Re: PG 15 (and to a smaller degree 14) regression due to ExprEvalStep size

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Amit Langote <amitlangote09(at)gmail(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Michael Paquier <michael(at)paquier(dot)xyz>, John Naylor <john(dot)naylor(at)enterprisedb(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Nikita Glukhov <n(dot)gluhov(at)postgrespro(dot)ru>
Subject: Re: PG 15 (and to a smaller degree 14) regression due to ExprEvalStep size
Date: 2022-08-09 19:22:57
Message-ID: 20220809192257.yanxb6cazo2tjkkh@awork3.anarazel.de
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Hi,

On 2022-08-09 15:17:44 -0400, Tom Lane wrote:
> We have delayed releases for $COOL_FEATURE in the past, and I think
> our batting average on that is still .000: not once has it worked out
> well.

I think it semi worked when jsonb (?) first went in - it took a while and a
lot of effort from a lot of people, but in the end we made it work, and it was
a success from our user's perspectives, I think. OTOH, it's not a great sign
this is around json again...

- Andres

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