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Re: create custom collation from case insensitive portuguese

From: Euler Taveira de Oliveira <euler(at)timbira(dot)com>
To: Alexandre Riveira <alexandre(at)objectdata(dot)com(dot)br>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: create custom collation from case insensitive portuguese
Date: 2010-11-02 15:40:44
Message-ID: 4CD030FC.5000607@timbira.com (view raw or flat)
Thread:
Lists: pgsql-hackers
Alexandre Riveira escreveu:
> I've achieved some success in changing collate operating system (linux)
> to generate sort of way of Brazil Portuguese hopes by adding the
> following code in LC_COLLATE
> 
This was already discussed; search the archives [1] [2].

> So far, I understood the mechanism of change collate and reproduce in
> postgresql, and I could not generate a case-insensitive search, I
> believe that would change within the LC_COLLATE variable, but could not
> go any further than that.
> 
PostgreSQL doesn't support case-insensitive searches specifying the collate
per column yet. Look at [3]. But you could use ILIKE or regular expression to
achieve  that.


[1] http://pgfoundry.org/pipermail/brasil-usuarios/20060330/001667.html
[2] http://www.mail-archive.com/brasil-usuarios(at)pgfoundry(dot)org/msg00895.html
[3] http://archives.postgresql.org/pgsql-hackers/2010-07/msg00512.php


-- 
  Euler Taveira de Oliveira
  http://www.timbira.com/

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