Horton

Re: Minmax indexes

Alvaro Herrera <alvherre@2ndquadrant.com>

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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2013-11-08T21:04:38Z
Lists: pgsql-hackers 
Alvaro Herrera escribió:

> I have been playing with having the revmap in the main fork of the index
> rather than a separate one.
...
> This is not complete yet; although I have a proof-of-concept working, I
> still need to write XLog support code and update the pageinspect code to
> match.

Just to be clear: the v7 published elsewhere in this thread does not
contain this revmap-in-main-fork code.

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

Commits

  1. Refactor per-page logic common to all redo routines to a new function.

  2. Reduce use of heavyweight locking inside hash AM.

  3. Scan the buffer pool just once, not once per fork, during relation drop.

  4. Major patch from Thomas Lockhart <Thomas.G.Lockhart@jpl.nasa.gov>