Re: ALTER TABLE ADD COLUMN fast default

From: Andres Freund <andres(at)anarazel(dot)de>
To: Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>
Cc: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: ALTER TABLE ADD COLUMN fast default
Date: 2018-02-01 13:54:08
Message-ID: 20180201135408.3f2swxnc4ld5hlij@alap3.anarazel.de
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Hi,

On 2018-01-26 10:53:12 +1030, Andrew Dunstan wrote:
> Yeah, thanks. revised patch attached

Given that this patch touches code that's a huge bottleneck in a lot of
cases, I think this needs benchmarks that heavily exercises tuple
deforming.

Greetings,

Andres Freund

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