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From: David Fetter <david@fetter.org>
To: Stephen Frost <sfrost@snowman.net>
Cc: Heikki Linnakangas <hlinnaka@iki.fi>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Michael Paquier <michael.paquier@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: David Steele <david@pgmasters.net>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Magnus Hagander <magnus@hagander.net>
Cc: Julian Markwort <julian.markwort@uni-muenster.de>
Cc: PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Cc: Valery Popov <v.popov@postgrespro.ru>
Subject: Re: pg_authid.rolpassword format (was Re: Password identifiers, protocol aging and SCRAM protocol)
Date: Tue, 20 Dec 2016 08:08:01 -0800
Message-ID: <20161220160801.GA7806@fetter.org> (raw)
In-Reply-To: <20161220133419.GX18360@tamriel.snowman.net>
References: <CAB7nPqTi5jC_AbVMOGidrVy1z6t3v==vWFvdNMxnQEN-WsutKg@mail.gmail.com>
	<2d07165c-1793-e243-a2a9-e45b624c7580@iki.fi>
	<CAB7nPqQ28o6ocOdbidOVmxxcKDMP=woZ=hvAVHKKAjAUtjZNyQ@mail.gmail.com>
	<ce051da1-cc5a-2a06-a9a8-6a4d0d98bdd1@2ndquadrant.com>
	<20161214145723.GJ23417@tamriel.snowman.net>
	<9dc32483-b24a-5832-53e0-fb62838f1315@iki.fi>
	<20161215134030.GI23417@tamriel.snowman.net>
	<CA+TgmoaRtNXf37AfLvhMMsoEP9LdvAvhSOoSm2nDHF72aqdiww@mail.gmail.com>
	<5ec22c98-16b9-4d13-a551-9aa46d8f1269@iki.fi>
	<20161220133419.GX18360@tamriel.snowman.net>
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On Tue, Dec 20, 2016 at 08:34:19AM -0500, Stephen Frost wrote:
> Heikki,
> 
> * Heikki Linnakangas (hlinnaka@iki.fi) wrote:
> > Even if you have a separate "verifier type" column, it's not fully
> > normalized, because there's still a dependency between the
> > verifier and verifier type columns. You will always need to look
> > at the verifier type to make sense of the verifier itself.
> 
> That's true- but you don't need to look at the verifier, or even
> have *access* to the verifier, to look at the verifier type.

Would a view that shows only what's to the left of the first semicolon
suit this purpose?

Best,
David.
-- 
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
Skype: davidfetter      XMPP: david(dot)fetter(at)gmail(dot)com

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  To: pgsql-hackers@postgresql.org
  Cc: david@fetter.org, sfrost@snowman.net, hlinnaka@iki.fi, robertmhaas@gmail.com, peter.eisentraut@2ndquadrant.com, michael.paquier@gmail.com, andres@anarazel.de, david@pgmasters.net, tgl@sss.pgh.pa.us, alvherre@2ndquadrant.com, magnus@hagander.net, julian.markwort@uni-muenster.de, v.popov@postgrespro.ru
  Subject: Re: pg_authid.rolpassword format (was Re: Password identifiers, protocol aging and SCRAM protocol)
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