/usr/share/postgresql/10/extension/fuzzystrmatch--1.1.sql is in postgresql-10 10.6-0ubuntu0.18.04.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | /* contrib/fuzzystrmatch/fuzzystrmatch--1.1.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION fuzzystrmatch" to load this file. \quit
CREATE FUNCTION levenshtein (text,text) RETURNS int
AS 'MODULE_PATHNAME','levenshtein'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION levenshtein (text,text,int,int,int) RETURNS int
AS 'MODULE_PATHNAME','levenshtein_with_costs'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION levenshtein_less_equal (text,text,int) RETURNS int
AS 'MODULE_PATHNAME','levenshtein_less_equal'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION levenshtein_less_equal (text,text,int,int,int,int) RETURNS int
AS 'MODULE_PATHNAME','levenshtein_less_equal_with_costs'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION metaphone (text,int) RETURNS text
AS 'MODULE_PATHNAME','metaphone'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION soundex(text) RETURNS text
AS 'MODULE_PATHNAME', 'soundex'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION text_soundex(text) RETURNS text
AS 'MODULE_PATHNAME', 'soundex'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION difference(text,text) RETURNS int
AS 'MODULE_PATHNAME', 'difference'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION dmetaphone (text) RETURNS text
AS 'MODULE_PATHNAME', 'dmetaphone'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION dmetaphone_alt (text) RETURNS text
AS 'MODULE_PATHNAME', 'dmetaphone_alt'
LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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