| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Tatsuo Ishii <ishii(at)postgresql(dot)org> |
| Cc: | robertmhaas(at)gmail(dot)com, peter_e(at)gmx(dot)net, ishii(at)sraoss(dot)co(dot)jp, andres(at)anarazel(dot)de, pgsql-hackers(at)postgresql(dot)org, teodor(at)sigaev(dot)ru |
| Subject: | Re: pg_trgm |
| Date: | 2010-05-28 00:44:36 |
| Message-ID: | 14053.1275007476@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Tatsuo Ishii <ishii(at)postgresql(dot)org> writes:
> similarity -> generate_trgm -> find_word -> iswordchr -> t_isalpha -> isalpha
> if locale is C and USE_WIDE_UPPER_LOWER defined which is the case in
> most modern OSs.
Quite. And *if locale is C then only standard ASCII letters are letters*.
You may not like that but it's not wrong; in fact any other behavior
would be wrong.
regards, tom lane
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