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From: Bruce Momjian <root@candle.pha.pa.us>
To: wweng@kencast.com
Cc: pgsql-sql@postgresql.org
Subject: Re: create index on function - why?
Date: Sat, 16 Feb 2002 21:49:13 -0500 (EST)
Message-ID: <200202170249.g1H2nDE23123@candle.pha.pa.us> (raw)
In-Reply-To: <3C6D3684.9040101@kencast.com>


Due to time constraints, I do not directly answer general PostgreSQL
questions.  For assistance, please join the appropriate mailing list and
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	http://www.postgresql.org/users-lounge

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---------------------------------------------------------------------------


Wei Weng wrote:
> I can understand the rationale behind creating index on tables, it 
> speeds up the searching.
> 
> But what is the rationale behind creating index on a function? how does 
> it help with the database performance?
> 
> Thank you.
> 
> -- 
> Wei Weng
> Network Software Engineer
> KenCast Inc.
> 
> 
> 
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> 

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  root@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



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