/usr/share/postgresql/10/extension/btree_gist--1.2--1.3.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 65 | /* contrib/btree_gist/btree_gist--1.2--1.3.sql */
-- complain if script is sourced in psql, rather than via ALTER EXTENSION
\echo Use "ALTER EXTENSION btree_gist UPDATE TO '1.3'" to load this file. \quit
-- Add support for indexing UUID columns
-- define the GiST support methods
CREATE FUNCTION gbt_uuid_consistent(internal,uuid,int2,oid,internal)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_uuid_fetch(internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_uuid_compress(internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_uuid_penalty(internal,internal,internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_uuid_picksplit(internal, internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_uuid_union(internal, internal)
RETURNS gbtreekey32
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
CREATE FUNCTION gbt_uuid_same(gbtreekey32, gbtreekey32, internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
-- Create the operator class
CREATE OPERATOR CLASS gist_uuid_ops
DEFAULT FOR TYPE uuid USING gist
AS
OPERATOR 1 < ,
OPERATOR 2 <= ,
OPERATOR 3 = ,
OPERATOR 4 >= ,
OPERATOR 5 > ,
FUNCTION 1 gbt_uuid_consistent (internal, uuid, int2, oid, internal),
FUNCTION 2 gbt_uuid_union (internal, internal),
FUNCTION 3 gbt_uuid_compress (internal),
FUNCTION 4 gbt_decompress (internal),
FUNCTION 5 gbt_uuid_penalty (internal, internal, internal),
FUNCTION 6 gbt_uuid_picksplit (internal, internal),
FUNCTION 7 gbt_uuid_same (gbtreekey32, gbtreekey32, internal),
STORAGE gbtreekey32;
-- These are "loose" in the opfamily for consistency with the rest of btree_gist
ALTER OPERATOR FAMILY gist_uuid_ops USING gist ADD
OPERATOR 6 <> (uuid, uuid) ,
FUNCTION 9 (uuid, uuid) gbt_uuid_fetch (internal) ;
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