Re: KEEPONLYALNUM for pg_trgm is not documented

On Fri, Mar 11, 2011 at 5:52 PM, Itagaki Takahiro
<itagaki(dot)takahiro(at)gmail(dot)com> wrote:
> contrib/pg_trgm in 9.1 becomes more attractive feature by index supports
> for LIKE operators, but only alphabet and numeric characters are indexed
> by default. But, we can modify KEEPONLYALNUM in the source code to
> keep all characters in n-gram words.
>
> However, the limitation and KEEPONLYALNUM are not documented in the page:
>  http://developer.postgresql.org/pgdocs/postgres/pgtrgm.html
>
> An additonal documentation patches acceptable? The issues would be a FAQ for
> non-English users. I heard that pg_trgm will be one of the *killer features*
> of 9.1 in Japan, where N-gram based text search is preferred.

+10

Regards,

--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center