Re: Status of the table access method work

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>
Subject: Re: Status of the table access method work
Date: 2019-06-11 15:47:11
Message-ID: 20190611154711.GA19415@alvherre.pgsql
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On 2019-Apr-10, Alexander Korotkov wrote:

> Alternative idea is to have MVCC-aware indexes. This approach looks
> more attractive for me. In this approach you basically need xmin,
> xmax fields in index tuples.

"We liked freezing xmin so much that we had to introduce freezing for
xmax" -- rhaas dixit. And now we want to introduce freezing for
indexes?

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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