Re: Collation versioning

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Cc: Julien Rouhaud <rjuju123(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Douglas Doole <dougdoole(at)gmail(dot)com>, Christoph Berg <myon(at)debian(dot)org>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Collation versioning
Date: 2019-12-12 05:31:52
Message-ID: 3242.1576128712@sss.pgh.pa.us
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Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
> Erm, but I shouldn't have to reindex my hash indexes (at least not
> until someone invents collation-based equality and therefore
> necessarily also collation-based hashing). How can we exclude that?

Um, we already invented that with nondeterministic collations, no?

regards, tom lane

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