Re: Freeze avoidance of very large table.

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Sawada Masahiko <sawada(dot)mshk(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, Greg Stark <stark(at)mit(dot)edu>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
Subject: Re: Freeze avoidance of very large table.
Date: 2015-08-05 17:22:48
Message-ID: 55C24668.2000907@agliodbs.com
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On 08/05/2015 10:00 AM, Alvaro Herrera wrote:
> Anyway, the patch as proposed puts the new functions in core as builtins
> (which is what Bruce seems to be objecting to). Maybe instead of
> proposing moving existing extensions in core, it would be better to have
> this patch put those two new functions alone as a single new extension
> in src/extension, and not move anything else. I don't necessarily
> resist adding these functions as builtins, but if we do that then
> there's no going back to having them as an extension instead, which is
> presumably more in line with what we want in the long run.

For my part, I am unclear on why we are putting *any* diagnostic tools
in /contrib today. Either the diagnostic tools are good quality and
necessary for a bunch of users, in which case we ship them in core, or
they are obscure and/or untested, in which case they go in an external
project and/or on PGXN.

Yes, for tools with overhead we might want to require enabling them in
pg.conf. But that's very different from requiring the user to install a
separate package.

--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com

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