/usr/share/postgresql/10/extension/btree_gist--1.3--1.4.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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | /* contrib/btree_gist/btree_gist--1.3--1.4.sql */
-- complain if script is sourced in psql, rather than via ALTER EXTENSION
\echo Use "ALTER EXTENSION btree_gist UPDATE TO '1.4'" to load this file. \quit
-- Add support for indexing macaddr8 columns
-- define the GiST support methods
CREATE FUNCTION gbt_macad8_consistent(internal,macaddr8,int2,oid,internal)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_macad8_compress(internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_macad8_fetch(internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_macad8_penalty(internal,internal,internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_macad8_picksplit(internal, internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_macad8_union(internal, internal)
RETURNS gbtreekey16
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_macad8_same(gbtreekey16, gbtreekey16, internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
-- Create the operator class
CREATE OPERATOR CLASS gist_macaddr8_ops
DEFAULT FOR TYPE macaddr8 USING gist
AS
OPERATOR 1 < ,
OPERATOR 2 <= ,
OPERATOR 3 = ,
OPERATOR 4 >= ,
OPERATOR 5 > ,
FUNCTION 1 gbt_macad8_consistent (internal, macaddr8, int2, oid, internal),
FUNCTION 2 gbt_macad8_union (internal, internal),
FUNCTION 3 gbt_macad8_compress (internal),
FUNCTION 4 gbt_decompress (internal),
FUNCTION 5 gbt_macad8_penalty (internal, internal, internal),
FUNCTION 6 gbt_macad8_picksplit (internal, internal),
FUNCTION 7 gbt_macad8_same (gbtreekey16, gbtreekey16, internal),
STORAGE gbtreekey16;
ALTER OPERATOR FAMILY gist_macaddr8_ops USING gist ADD
OPERATOR 6 <> (macaddr8, macaddr8) ,
FUNCTION 9 (macaddr8, macaddr8) gbt_macad8_fetch (internal);
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