Horton

Re: Add pgstathashindex() to get hash index table statistics.

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: Ashutosh Sharma <ashu.coek88@gmail.com>, Michael Paquier <michael.paquier@gmail.com>, Kuntal Ghosh <kuntalghosh.2007@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2017-02-07T03:53:02Z
Lists: pgsql-hackers 
On Mon, Feb 6, 2017 at 10:40 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> Maybe we should call them "unused pages".
>
> +1.  If we consider some more names for that column then probably one
> alternative could be "empty pages".

Yeah, but I think "unused" might be better.  Because a page could be
in use (as an overflow page or primary bucket page) and still be
empty.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

  1. Fix pgstattuple's handling of unused hash pages.

  2. Move some things from builtins.h to new header files