| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
| Cc: | Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: KEEPONLYALNUM for pg_trgm is not documented |
| Date: | 2011-03-11 14:04:56 |
| Message-ID: | AANLkTinuWRcMO83o+wS5gA_rkjyX8o50k4LGqqVKk70Z@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Mar 11, 2011 at 3:59 AM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> 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
It's certainly not too late for doc patches.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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