Re: UTF8MatchText
| От | Andrew Dunstan |
|---|---|
| Тема | Re: UTF8MatchText |
| Дата | |
| Msg-id | 464DC9B5.8050803@dunslane.net обсуждение исходный текст |
| Ответ на | Re: UTF8MatchText (Tom Lane <tgl@sss.pgh.pa.us>) |
| Список | pgsql-patches |
Tom Lane wrote: > ITAGAKI Takahiro <itagaki.takahiro@oss.ntt.co.jp> writes: > >> Yes, I only used the 'disjoint representations for first-bytes and >> not-first-bytes of MB characters' feature in UTF8. Other encodings >> allows both [AB] and [BA] for MB character patterns. UTF8Match() does >> not cope with those encodings; If we have '[AB][AB]' in a table and >> search it with LIKE '%[BA]%', we judge that they are matched by mistake. >> > > AFAICS, the patch does *not* make that mistake because % will not > advance over a fractional character. > > > Unless I hear differently, my present intention is to apply the suggested improvement universally. I'll wait a day or two before completing the patch. cheers andrew
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