Re: Re: Fuzzy matching
От | Bruce Momjian |
---|---|
Тема | Re: Re: Fuzzy matching |
Дата | |
Msg-id | 200108032121.f73LLcd13218@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Fuzzy matching ("Joe Conway" <joseph.conway@home.com>) |
Список | pgsql-patches |
Your patch has been added to the PostgreSQL unapplied patches list at: http://candle.pha.pa.us/cgi-bin/pgpatches I will try to apply it within the next 48 hours. > > > Our usual practice with stuff of uncertain usefulness has been to > > > stick > > > it in contrib for awhile and see if anyone uses it. If there's > > > sufficient interest, we'll promote it to mainstream in a future > > > release. > > > > Makes sense to me. Go, Joe! > > > > Per this discussion, here's a patch to implement both levenshtein() and > metaphone() in a contrib. There seem to be a fair number of different > approaches to both of these algorithms. I used the simplest case for > levenshtein which has a cost of 1 for any character insertion, deletion, or > substitution. For metaphone, I adapted the same code from CPAN that the PHP > folks did. > > A couple of questions: > 1. Does it make sense to fold the soundex contrib together with this one? > > 2. I was debating trying to add multibyte support to levenshtein (it would > make no sense at all for metaphone), but a quick search through the contrib > directory found no hits on the word MULTIBYTE. Should worry about adding > multibyte support to levenshtein()? > > Thanks, > > Joe > [ Attachment, skipping... ] > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
В списке pgsql-patches по дате отправления: