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From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Christoph Berg <myon@debian.org>
To: Thomas Munro <thomas.munro@enterprisedb.com>
To: Pg Hackers <pgsql-hackers@postgresql.org>
Subject: Re: Collation versioning
Date: Wed, 12 Sep 2018 13:20:46 +0200
Message-ID: <0447ec7b-cdb6-7252-7943-88a4664e7bb7@2ndquadrant.com> (raw)
In-Reply-To: <20180912081547.GA24584@msg.df7cb.de>
References: <CAEepm=0hoACQLFn8ro7jCO9-wTth2mXXS3K=s09gxKqN2jy8pA@mail.gmail.com>
	<CAEepm=3a5BC7CwsXZo3V4fw6YuAMT2nJ1krwtqOatb=vDqRWEA@mail.gmail.com>
	<20180905191014.GA29241@msg.df7cb.de>
	<CAEepm=3mKYhXS9NQCsPkGhkQxKAeZwbDneZV7QYKTDDYstTxZA@mail.gmail.com>
	<b7ce31bb-dfe5-c689-06c4-3a8536f73e6a@2ndquadrant.com>
	<CAEepm=01SJne1beXkuU0XxO3UdoG+n+BaE9X_ADXjG95s0nqbQ@mail.gmail.com>
	<CAEepm=1xGTsLDx63UEdcJ8MdG63CNJ-tsDWHbH9djtvxRH5ZWw@mail.gmail.com>
	<20180912081547.GA24584@msg.df7cb.de>

On 12/09/2018 10:15, Christoph Berg wrote:
> Re: Thomas Munro 2018-09-07 <CAEepm=1xGTsLDx63UEdcJ8MdG63CNJ-tsDWHbH9djtvxRH5ZWw@mail.gmail.com>
>> 2.  We could remove datcollate and datctype and instead store a
>> collation OID.  I'm not sure what problems would come up, but for
>> starters it seems a bit weird to have a shared catalog pointing to
>> rows in a non-shared catalog.
> 
> Naive idea: make that catalog shared? Collations are system-wide after
> all.

By the same argument, extensions should be shared, but they are not.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services




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