Re: REPACK (CONCURRENTLY) might keep dropped-column data

From: Alvaro Herrera <alvherre(at)kurilemu(dot)de>
To: shihao zhong <zhong950419(at)gmail(dot)com>
Cc: Antonin Houska <ah(at)cybertec(dot)at>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Radim Marek <radim(at)boringsql(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: REPACK (CONCURRENTLY) might keep dropped-column data
Date: 2026-10-07 09:02:05
Message-ID: asYKAiIp7bUdvrir@alvherre.pgsql
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On 2026-Oct-06, shihao zhong wrote:

> v2 clears the columns only when replaying an INSERT. restore_tuple()
> and prepare_concurrent_update() stay as they are.

Hm, I just committed v1 with some trivial changes. I don't understand
what does v2 achieve. Are you trying to save having to scan the
attribute array for tuples in DELETE?

--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/

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