Re: levenshtein_less_equal does not work

On 01/24/2014 01:07 PM, alexandros_e wrote:
> Query:
>
> SELECT levenshtein_less_equal('extensive', 'exhaustive',2);
>
> ERROR:  function levenshtein_less_equal(unknown, unknown, integer) does not
> exist
> LINE 1: SELECT levenshtein_less_equal('extensive', 'exhaustive',2);
>                 ^
> HINT:  No function matches the given name and argument types. You might need
> to add explicit type casts.
>
> Even this:
>
> SELECT levenshtein_less_equal('extensive'::TEXT,
> 'exhaustive'::TEXT,2::INTEGER);
> function levenshtein_less_equal(text, text, integer) does not exist
>
> But this works perfectly:
> SELECT levenshtein('extensive', 'exhaustive');
> 4

Are you sure you are connecting to a 9.1 server? levenshtein_less_equal
does not exist in 9.0- which would result in that error.

When you are in psql what does:

SELECT version();

and

\df  levenshtein_less_equal

show?

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>
>


--
Adrian Klaver
adrian.klaver@gmail.com