Re: KEEPONLYALNUM for pg_trgm is not documented

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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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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