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From: Stephan Szabo <sszabo@megazone23.bigpanda.com>
To: Josh Berkus <josh@agliodbs.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Indexing Metaphone?
Date: Wed, 5 Jun 2002 12:15:52 -0700 (PDT)
Message-ID: <20020605121507.B16840-100000@megazone23.bigpanda.com> (raw)
In-Reply-To: <200206051112.02090.josh@agliodbs.com>

On Wed, 5 Jun 2002, Josh Berkus wrote:

> Folks,
>
> I'm building a database that does a lot of fuzzy-string searches.  As such,
> I'd like to index the metaphone results of certain columns.  However, I get
> this when I try:
>
> jwnet=> CREATE INDEX idx_locations_metaphone ON
> locations(metaphone(location_name, 12));
> ERROR:  parser: parse error at or near "12"

Functional indexes only take columns as arguments IIRC.  Make
a cachable function that returns metaphone($1, 12) given the
appropriate type and index/use that. :)




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