Date: Tue, 17 Mar 2020 17:31:47 +0100
From: Christoph Berg <myon@debian.org>
To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Julien Rouhaud <rjuju123@gmail.com>,
	Michael Paquier <michael@paquier.xyz>,
	Thomas Munro <thomas.munro@gmail.com>,
	Robert Haas <robertmhaas@gmail.com>,
	Laurenz Albe <laurenz.albe@cybertec.at>,
	Douglas Doole <dougdoole@gmail.com>,
	Pg Hackers <pgsql-hackers@postgresql.org>
Subject: Re: Collation versioning
Message-ID: <20200317163147.GA1337480@msg.df7cb.de>
Mail-Followup-To: Christoph Berg <myon@debian.org>,
	Peter Eisentraut <peter.eisentraut@2ndquadrant.com>,
	Julien Rouhaud <rjuju123@gmail.com>,
	Michael Paquier <michael@paquier.xyz>,
	Thomas Munro <thomas.munro@gmail.com>,
	Robert Haas <robertmhaas@gmail.com>,
	Laurenz Albe <laurenz.albe@cybertec.at>,
	Douglas Doole <dougdoole@gmail.com>,
	Pg Hackers <pgsql-hackers@postgresql.org>
References: <20200304090100.GA21866@nol>
 <CA+hUKGLEJwpEfPbX7P=ujQnBwduo6eaN+UuJu+zQTHN+VWruqA@mail.gmail.com>
 <20200311084427.GA12358@nol>
 <20200312140026.GA1689@nol>
 <20200316075738.GE2331@paquier.xyz>
 <20200316140520.GA21497@nol>
 <20200317063749.GF2206@paquier.xyz>
 <20200317071928.psjiklzvkgqpl3dd@nol>
 <20200317104234.GA89737@nol>
 <fd8d4475-85ad-506f-2dda-f4d6e66785bc@2ndquadrant.com>
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Re: Peter Eisentraut 2020-03-17 <fd8d4475-85ad-506f-2dda-f4d6e66785bc@2ndquadrant.com>
> Did we discuss the regcollation type?  In the current patch set, it's only
> used in two places in a new regression test, where it can easily be replaced
> by a join.  Do we need it?
> 
> I realize we've been adding new reg* types lately; I'm not sure what the
> current idea is on that.

Not sure if that's the case there, but reg* typecasts are very handy
when used interactively in ad-hoc queries.

Christoph