Re: pg_trgm
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Tatsuo Ishii <ishii@postgresql.org>
Cc: andres@anarazel.de, pgsql-hackers@postgresql.org, teodor@sigaev.ru
Date: 2010-05-27T14:15:45Z
Lists: pgsql-hackers
Tatsuo Ishii <ishii@postgresql.org> writes: >> It's not a problem, it's just pilot error, or possibly inadequate >> documentation. pg_trgm uses the locale's definition of "alpha", >> "digit", etc. In C locale only basic ASCII letters and digits will be >> recognized as word constituents. > That means there is no chance to make pg_trgm work with multibyte + C > locale? If so, I will leave pg_trgm as it is and provide private > patches for those who need the functionality. Exactly what do you consider to be the missing functionality? You need a notion of word vs non-word character from somewhere, and the locale setting is the standard place to get that. The core text search functionality behaves the same way. regards, tom lane