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an empty input string causes an empty output string to be returned, instead of throwing an ERROR -- per complaint from Aaron Hillegass, and consistent with double metaphone. Fix examples in README.soundex pointed out by James Robinson.
29 lines
794 B
MySQL
29 lines
794 B
MySQL
-- Adjust this setting to control where the objects get created.
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SET search_path = public;
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CREATE FUNCTION levenshtein (text,text)
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RETURNS int
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AS 'MODULE_PATHNAME','levenshtein'
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LANGUAGE 'C' WITH (iscachable, isstrict);
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CREATE FUNCTION metaphone (text,int)
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RETURNS text
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AS 'MODULE_PATHNAME','metaphone'
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LANGUAGE 'C' WITH (iscachable, isstrict);
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CREATE FUNCTION soundex(text) RETURNS text
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AS 'MODULE_PATHNAME', 'soundex'
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LANGUAGE 'C' WITH (iscachable, isstrict);
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CREATE FUNCTION text_soundex(text) RETURNS text
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AS 'MODULE_PATHNAME', 'soundex'
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LANGUAGE 'C';
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CREATE FUNCTION dmetaphone (text) RETURNS text
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LANGUAGE C IMMUTABLE STRICT
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AS 'MODULE_PATHNAME', 'dmetaphone';
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CREATE FUNCTION dmetaphone_alt (text) RETURNS text
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LANGUAGE C IMMUTABLE STRICT
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AS 'MODULE_PATHNAME', 'dmetaphone_alt';
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