On Fri, May 11, 2012 at 12:07 AM, MauMau <maumau...@gmail.com> wrote: > Thanks for your explanation. Although I haven't understood it well yet, I'll > consider what you taught. And I'll consider if the tentative measure of > removing KEEPONLYALNUM is correct for someone who wants to use pg_trgm > against Japanese text.
In Japanese, it's common to do a text search with two characters keyword. But since pg_trgm is 3-gram, you basically would not be able to use index for such text search. So you might need something like pg_bigm or pg_unigm for Japanese text search. Regards, -- Fujii Masao -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
