fuzzystrmatch.sql

PostgreSQL 8.2中增加了很多企业用户所需要的功能和性能上的提高,其开发团队说,该版本将加速更多企业向该数据库移植.核心开发成员之一Bruce Momjian表示,在新版PostgreSQL

-- Adjust this setting to control where the objects get created.
SET search_path = public;

CREATE FUNCTION levenshtein (text,text) RETURNS int
AS '$libdir/fuzzystrmatch','levenshtein'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION metaphone (text,int) RETURNS text
AS '$libdir/fuzzystrmatch','metaphone'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION soundex(text) RETURNS text
AS '$libdir/fuzzystrmatch', 'soundex'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION text_soundex(text) RETURNS text
AS '$libdir/fuzzystrmatch', 'soundex'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION difference(text,text) RETURNS int
AS '$libdir/fuzzystrmatch', 'difference'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION dmetaphone (text) RETURNS text 
AS '$libdir/fuzzystrmatch', 'dmetaphone'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION dmetaphone_alt (text) RETURNS text 
AS '$libdir/fuzzystrmatch', 'dmetaphone_alt'
LANGUAGE C IMMUTABLE STRICT;