Re: BUG #13440: unaccent does not remove all diacritics

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Michael Gradek <mike(at)busbud(dot)com>, PostgreSQL Bugs <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: BUG #13440: unaccent does not remove all diacritics
Date: 2015-09-03 00:06:15
Message-ID: 20150903000615.GC17210@awork2.anarazel.de
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On 2015-09-02 19:59:37 -0400, Tom Lane wrote:
> No, not after someone pointed out that it could have strange side-effects
> on full text search configurations that used unaccent. You'd stop being
> able to find documents whenever your search term is stripped of accents
> more thoroughly than before. That might be all right in a new major
> release (if it documents that you might have to rebuild your FTS indexes
> and derived tsvector columns). It's not all right in a minor release.

Yes, it was me that pointed that out and argued against it ;)
http://archives.postgresql.org/message-id/20150618202135.GB29350%40alap3.anarazel.de
and following.

Thomas, will you repost context & a patch implementing this (instead of
just files)?

Greetings,

Andres Freund

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