Re: Bloom index
| От | Robert Haas |
|---|---|
| Тема | Re: Bloom index |
| Дата | |
| Msg-id | 603c8f071001130715h6d69278ds2fbef49688a1fe88@mail.gmail.com обсуждение исходный текст |
| Ответ на | Bloom index (Teodor Sigaev <teodor@sigaev.ru>) |
| Ответы |
Re: Bloom index
Re: Bloom index |
| Список | pgsql-hackers |
2010/1/13 Teodor Sigaev <teodor@sigaev.ru>: > CREATE INDEX bloomidx ON tbloom(i1,i2,i3) > WITH (length=5, col1=2, col2=2, col3=4); > > Here, we create bloom index with signature length 80 bits and attributes > i1, i2 mapped to 2 bits, attribute i3 - to 4 bits. This is pretty darn slick. I haven't looked at the code yet, but the functionality sounds very cool, and I hope this is something we'll be able to have as part of PG in the future (though more than likely not for 8.5, I suspect). ...Robert
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