Re: Selectivity of "=" (Re: [HACKERS] Index not used on simple select)

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От Thomas Lockhart
Тема Re: Selectivity of "=" (Re: [HACKERS] Index not used on simple select)
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Msg-id 379E84C9.504DAB63@alumni.caltech.edu
обсуждение исходный текст
Ответ на Re: Selectivity of "=" (Re: [HACKERS] Index not used on simple select)  (Bruce Momjian <maillist@candle.pha.pa.us>)
Ответы Re: Selectivity of "=" (Re: [HACKERS] Index not used on simple select)
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Дерево обсуждения 
> Yes, I think we index nulls.  What are partial indexes?
 http://www.PostgreSQL.ORG/docs/postgres/partial-index.htm

Postgres had support for this at one time, and probably still does.
                   - Thomas

-- 
Thomas Lockhart                lockhart@alumni.caltech.edu
South Pasadena, California

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