| From: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Re: Indexing Metaphone? |
| Date: | 2002-06-05 19:15:52 |
| Message-ID: | 20020605121507.B16840-100000@megazone23.bigpanda.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-sql |
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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