Re: "Routine Reindexing" docs should be updated to reference REINDEX CONCURRENTLY

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Peter Geoghegan <pg(at)bowt(dot)ie>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Andreas Karlsson <andreas(at)proxel(dot)se>
Subject: Re: "Routine Reindexing" docs should be updated to reference REINDEX CONCURRENTLY
Date: 2019-04-26 14:53:35
Message-ID: 7959.1556290415@sss.pgh.pa.us
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Michael Paquier <michael(at)paquier(dot)xyz> writes:
> On Thu, Apr 25, 2019 at 01:34:41PM -0700, Peter Geoghegan wrote:
>> The documentation has a section called "Routine Reindexing", which
>> explains how to simulate REINDEX CONCURRENTLY with a sequence of
>> creation and replacement steps. This should be updated to reference
>> the REINDEX CONCURRENTLY command.

> Agreed, good catch. I would suggest to remove most of the section and
> just replace it with a reference to REINDEX CONCURRENTLY, as per the
> attached. What do you think?

+1. Maybe say "... which requires only a
<literal>SHARE UPDATE EXCLUSIVE</literal> lock."

regards, tom lane

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