Re: levenshtein_less_equal does not work

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

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