Re: WIP: Covering + unique indexes.

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Teodor Sigaev <teodor(at)sigaev(dot)ru>
Cc: Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Alexander Kuzmenkov <a(dot)kuzmenkov(at)postgrespro(dot)ru>
Subject: Re: WIP: Covering + unique indexes.
Date: 2018-04-06 17:22:34
Message-ID: CAH2-WzkcMOESrqcatEOFAEqGH7e8cpaB1gp3H7rkKTx3Qt6VyA@mail.gmail.com
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On Fri, Apr 6, 2018 at 10:20 AM, Teodor Sigaev <teodor(at)sigaev(dot)ru> wrote:
> As far I can see, there is no any on-disk representation differece for
> *existing* indexes. So, pg_upgrade is not need here and there isn't any new
> code to support "on-fly" modification. Am I right?

Yes.

I'm going to look at this again today, and will post something within
12 hours. Please hold off on committing until then.

--
Peter Geoghegan

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