From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | b t <qtboyzz(at)yahoo(dot)com> |
Cc: | pgsql-interfaces(at)postgresql(dot)org |
Subject: | Re: How to write UDF in C that resemble the LIKE function |
Date: | 2005-02-13 04:07:32 |
Message-ID: | 25708.1108267652@sss.pgh.pa.us |
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Lists: | pgsql-interfaces |
b t <qtboyzz(at)yahoo(dot)com> writes:
> I have a question, as part of the project that I have to do for
> school, we have to implement a User Define Function in C that is
> similar like the LIKE funtion in PostgreSQL. For example where a
> customer is searching for an actor whose last name sounds like
> "Schwarseneger" (notice the typo). However, the customer is not sure
> neither about the spelling nor the pronunciation. The real star name
> should be "Schwarzenegger". In this case, the "LIKE" operator in SQL
> is not capable enough. It would be nice if the search would match last
> names "similar to" "Schwarseneger". Can Some one please give me some
> pointer on this or even sample code that you might have
> implemented. So basically the thing that I'm doing is like a spell
> check system where it return the closest match to the word.
Didn't your professor notice that there are two or three of those
already in contrib/fuzzystrmatch?
regards, tom lane
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