Date: Thu, 22 Sep 2016 12:30:25 -0300
From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Petr Jelinek <petr@2ndquadrant.com>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>,
	pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: ICU integration
Message-ID: <20160922153025.GA998480@alvherre.pgsql>
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Petr Jelinek wrote:

> > I'm not sure how well it will work to replace all the bits of LIKE and
> > regular expressions with ICU API calls.  One problem is that ICU likes
> > to do case folding as a whole string, not by character.  I need to do
> > more research about that.  
> 
> Can't we use the regular expression api provided by ICU, or is that too
> incompatible?

That probably won't fly very well -- it would be rather absurd to have
different regex behavior when ICU is compiled compared to when it's
not.  Perhaps down the road we could have an extension that provides
ICU-based regex operators, but most likely not in core.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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