From: Luis Sousa <llsousa@ualg.pt>
To: Bruno Wolff III <bruno@wolff.to>
Cc: Wei Weng <wweng@kencast.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: create index on function - why?
Date: Fri, 15 Feb 2002 17:22:51 +0000
Message-ID: <3C6D43EB.5040201@ualg.pt> (raw)
References: <3C6D3684.9040101@kencast.com>
<20020215170128.GB2025@wolff.to>
Can you give an example of it ??
I have some problems of perfomance in my queries, probably if I use this
idea I could increase performance.
I already explore all the index in the tables that are used in the queries.
Luis Sousa
>
>If a where clause includes a function reference, than an index on that
>function can speed up finding rows that satisfy the where clause.
>
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>
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To: pgsql-sql@postgresql.org
Cc: llsousa@ualg.pt, bruno@wolff.to, wweng@kencast.com
Subject: Re: create index on function - why?
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