Re: Proposal: Global Index for PostgreSQL

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Dilip Kumar <dilipbalaut(at)gmail(dot)com>
Cc: Nikita Malakhov <hukutoc(at)gmail(dot)com>, wenhui qiu <qiuwenhuifx(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Proposal: Global Index for PostgreSQL
Date: 2025-06-10 19:38:11
Message-ID: aEiJo1kayLgMuDwl@momjian.us
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On Mon, Jun 9, 2025 at 05:51:25PM -0400, Bruce Momjian wrote:
> On Mon, Jun 9, 2025 at 03:28:38PM +0530, Dilip Kumar wrote:
> There are certainly use cases where this would be helpful, but I think
> the big question is whether it would have so many negatives that most
> people who try to use it would eventually remove it. I have heard that
> happened to other relational systems who support global indexes, so I
> think we have to consider that possibility. The problem is you might
> need to actually write the patch to find out.

FYI, I wrote a blog about global indexes in 2020:

https://momjian.us/main/blogs/pgblog/2020.html#July_1_2020

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com

Do not let urgent matters crowd out time for investment in the future.

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