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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:19:15 +0000
commit6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch)
tree657d8194422a5daccecfd42d654b8a245ef7b4c8 /contrib/ltree/ltree--1.1.sql
parentInitial commit. (diff)
downloadpostgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz
postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--contrib/ltree/ltree--1.1.sql872
1 files changed, 872 insertions, 0 deletions
diff --git a/contrib/ltree/ltree--1.1.sql b/contrib/ltree/ltree--1.1.sql
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+++ b/contrib/ltree/ltree--1.1.sql
@@ -0,0 +1,872 @@
+/* contrib/ltree/ltree--1.1.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "CREATE EXTENSION ltree" to load this file. \quit
+
+CREATE FUNCTION ltree_in(cstring)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_out(ltree)
+RETURNS cstring
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE TYPE ltree (
+ INTERNALLENGTH = -1,
+ INPUT = ltree_in,
+ OUTPUT = ltree_out,
+ STORAGE = extended
+);
+
+
+--Compare function for ltree
+CREATE FUNCTION ltree_cmp(ltree,ltree)
+RETURNS int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_lt(ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_le(ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_eq(ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_ge(ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_gt(ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_ne(ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+
+CREATE OPERATOR < (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_lt,
+ COMMUTATOR = '>',
+ NEGATOR = '>=',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR <= (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_le,
+ COMMUTATOR = '>=',
+ NEGATOR = '>',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR >= (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_ge,
+ COMMUTATOR = '<=',
+ NEGATOR = '<',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR > (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_gt,
+ COMMUTATOR = '<',
+ NEGATOR = '<=',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR = (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_eq,
+ COMMUTATOR = '=',
+ NEGATOR = '<>',
+ RESTRICT = eqsel,
+ JOIN = eqjoinsel,
+ SORT1 = '<',
+ SORT2 = '<'
+);
+
+CREATE OPERATOR <> (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_ne,
+ COMMUTATOR = '<>',
+ NEGATOR = '=',
+ RESTRICT = neqsel,
+ JOIN = neqjoinsel
+);
+
+--util functions
+
+CREATE FUNCTION subltree(ltree,int4,int4)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION subpath(ltree,int4,int4)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION subpath(ltree,int4)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION index(ltree,ltree)
+RETURNS int4
+AS 'MODULE_PATHNAME', 'ltree_index'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION index(ltree,ltree,int4)
+RETURNS int4
+AS 'MODULE_PATHNAME', 'ltree_index'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION nlevel(ltree)
+RETURNS int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree2text(ltree)
+RETURNS text
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION text2ltree(text)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lca(_ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME','_lca'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lca(ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lca(ltree,ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lca(ltree,ltree,ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lca(ltree,ltree,ltree,ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lca(ltree,ltree,ltree,ltree,ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lca(ltree,ltree,ltree,ltree,ltree,ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lca(ltree,ltree,ltree,ltree,ltree,ltree,ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_isparent(ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_risparent(ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_addltree(ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_addtext(ltree,text)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_textadd(text,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltreeparentsel(internal, oid, internal, integer)
+RETURNS float8
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR @> (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_isparent,
+ COMMUTATOR = '<@',
+ RESTRICT = ltreeparentsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^@> (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_isparent,
+ COMMUTATOR = '^<@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR <@ (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_risparent,
+ COMMUTATOR = '@>',
+ RESTRICT = ltreeparentsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^<@ (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_risparent,
+ COMMUTATOR = '^@>',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR || (
+ LEFTARG = ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_addltree
+);
+
+CREATE OPERATOR || (
+ LEFTARG = ltree,
+ RIGHTARG = text,
+ PROCEDURE = ltree_addtext
+);
+
+CREATE OPERATOR || (
+ LEFTARG = text,
+ RIGHTARG = ltree,
+ PROCEDURE = ltree_textadd
+);
+
+
+-- B-tree support
+
+CREATE OPERATOR CLASS ltree_ops
+ DEFAULT FOR TYPE ltree USING btree AS
+ OPERATOR 1 < ,
+ OPERATOR 2 <= ,
+ OPERATOR 3 = ,
+ OPERATOR 4 >= ,
+ OPERATOR 5 > ,
+ FUNCTION 1 ltree_cmp(ltree, ltree);
+
+
+--lquery type
+CREATE FUNCTION lquery_in(cstring)
+RETURNS lquery
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lquery_out(lquery)
+RETURNS cstring
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE TYPE lquery (
+ INTERNALLENGTH = -1,
+ INPUT = lquery_in,
+ OUTPUT = lquery_out,
+ STORAGE = extended
+);
+
+CREATE FUNCTION ltq_regex(ltree,lquery)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltq_rregex(lquery,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR ~ (
+ LEFTARG = ltree,
+ RIGHTARG = lquery,
+ PROCEDURE = ltq_regex,
+ COMMUTATOR = '~',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ~ (
+ LEFTARG = lquery,
+ RIGHTARG = ltree,
+ PROCEDURE = ltq_rregex,
+ COMMUTATOR = '~',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+--not-indexed
+CREATE OPERATOR ^~ (
+ LEFTARG = ltree,
+ RIGHTARG = lquery,
+ PROCEDURE = ltq_regex,
+ COMMUTATOR = '^~',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^~ (
+ LEFTARG = lquery,
+ RIGHTARG = ltree,
+ PROCEDURE = ltq_rregex,
+ COMMUTATOR = '^~',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE FUNCTION lt_q_regex(ltree,_lquery)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION lt_q_rregex(_lquery,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR ? (
+ LEFTARG = ltree,
+ RIGHTARG = _lquery,
+ PROCEDURE = lt_q_regex,
+ COMMUTATOR = '?',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ? (
+ LEFTARG = _lquery,
+ RIGHTARG = ltree,
+ PROCEDURE = lt_q_rregex,
+ COMMUTATOR = '?',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+--not-indexed
+CREATE OPERATOR ^? (
+ LEFTARG = ltree,
+ RIGHTARG = _lquery,
+ PROCEDURE = lt_q_regex,
+ COMMUTATOR = '^?',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^? (
+ LEFTARG = _lquery,
+ RIGHTARG = ltree,
+ PROCEDURE = lt_q_rregex,
+ COMMUTATOR = '^?',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE FUNCTION ltxtq_in(cstring)
+RETURNS ltxtquery
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltxtq_out(ltxtquery)
+RETURNS cstring
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE TYPE ltxtquery (
+ INTERNALLENGTH = -1,
+ INPUT = ltxtq_in,
+ OUTPUT = ltxtq_out,
+ STORAGE = extended
+);
+
+-- operations WITH ltxtquery
+
+CREATE FUNCTION ltxtq_exec(ltree, ltxtquery)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltxtq_rexec(ltxtquery, ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR @ (
+ LEFTARG = ltree,
+ RIGHTARG = ltxtquery,
+ PROCEDURE = ltxtq_exec,
+ COMMUTATOR = '@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR @ (
+ LEFTARG = ltxtquery,
+ RIGHTARG = ltree,
+ PROCEDURE = ltxtq_rexec,
+ COMMUTATOR = '@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+--not-indexed
+CREATE OPERATOR ^@ (
+ LEFTARG = ltree,
+ RIGHTARG = ltxtquery,
+ PROCEDURE = ltxtq_exec,
+ COMMUTATOR = '^@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^@ (
+ LEFTARG = ltxtquery,
+ RIGHTARG = ltree,
+ PROCEDURE = ltxtq_rexec,
+ COMMUTATOR = '^@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+--GiST support for ltree
+CREATE FUNCTION ltree_gist_in(cstring)
+RETURNS ltree_gist
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION ltree_gist_out(ltree_gist)
+RETURNS cstring
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE TYPE ltree_gist (
+ internallength = -1,
+ input = ltree_gist_in,
+ output = ltree_gist_out,
+ storage = plain
+);
+
+
+CREATE FUNCTION ltree_consistent(internal,ltree,int2,oid,internal)
+RETURNS bool as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION ltree_compress(internal)
+RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION ltree_decompress(internal)
+RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION ltree_penalty(internal,internal,internal)
+RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION ltree_picksplit(internal, internal)
+RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION ltree_union(internal, internal)
+RETURNS ltree_gist as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION ltree_same(ltree_gist, ltree_gist, internal)
+RETURNS internal as 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE OPERATOR CLASS gist_ltree_ops
+ DEFAULT FOR TYPE ltree USING gist AS
+ OPERATOR 1 < ,
+ OPERATOR 2 <= ,
+ OPERATOR 3 = ,
+ OPERATOR 4 >= ,
+ OPERATOR 5 > ,
+ OPERATOR 10 @> ,
+ OPERATOR 11 <@ ,
+ OPERATOR 12 ~ (ltree, lquery) ,
+ OPERATOR 13 ~ (lquery, ltree) ,
+ OPERATOR 14 @ (ltree, ltxtquery) ,
+ OPERATOR 15 @ (ltxtquery, ltree) ,
+ OPERATOR 16 ? (ltree, _lquery) ,
+ OPERATOR 17 ? (_lquery, ltree) ,
+ FUNCTION 1 ltree_consistent (internal, ltree, int2, oid, internal),
+ FUNCTION 2 ltree_union (internal, internal),
+ FUNCTION 3 ltree_compress (internal),
+ FUNCTION 4 ltree_decompress (internal),
+ FUNCTION 5 ltree_penalty (internal, internal, internal),
+ FUNCTION 6 ltree_picksplit (internal, internal),
+ FUNCTION 7 ltree_same (ltree_gist, ltree_gist, internal),
+ STORAGE ltree_gist;
+
+
+-- arrays of ltree
+
+CREATE FUNCTION _ltree_isparent(_ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _ltree_r_isparent(ltree,_ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _ltree_risparent(_ltree,ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _ltree_r_risparent(ltree,_ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _ltq_regex(_ltree,lquery)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _ltq_rregex(lquery,_ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _lt_q_regex(_ltree,_lquery)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _lt_q_rregex(_lquery,_ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _ltxtq_exec(_ltree, ltxtquery)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE FUNCTION _ltxtq_rexec(ltxtquery, _ltree)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR @> (
+ LEFTARG = _ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = _ltree_isparent,
+ COMMUTATOR = '<@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR <@ (
+ LEFTARG = ltree,
+ RIGHTARG = _ltree,
+ PROCEDURE = _ltree_r_isparent,
+ COMMUTATOR = '@>',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR <@ (
+ LEFTARG = _ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = _ltree_risparent,
+ COMMUTATOR = '@>',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR @> (
+ LEFTARG = ltree,
+ RIGHTARG = _ltree,
+ PROCEDURE = _ltree_r_risparent,
+ COMMUTATOR = '<@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ~ (
+ LEFTARG = _ltree,
+ RIGHTARG = lquery,
+ PROCEDURE = _ltq_regex,
+ COMMUTATOR = '~',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ~ (
+ LEFTARG = lquery,
+ RIGHTARG = _ltree,
+ PROCEDURE = _ltq_rregex,
+ COMMUTATOR = '~',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ? (
+ LEFTARG = _ltree,
+ RIGHTARG = _lquery,
+ PROCEDURE = _lt_q_regex,
+ COMMUTATOR = '?',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ? (
+ LEFTARG = _lquery,
+ RIGHTARG = _ltree,
+ PROCEDURE = _lt_q_rregex,
+ COMMUTATOR = '?',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR @ (
+ LEFTARG = _ltree,
+ RIGHTARG = ltxtquery,
+ PROCEDURE = _ltxtq_exec,
+ COMMUTATOR = '@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR @ (
+ LEFTARG = ltxtquery,
+ RIGHTARG = _ltree,
+ PROCEDURE = _ltxtq_rexec,
+ COMMUTATOR = '@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+
+--not indexed
+CREATE OPERATOR ^@> (
+ LEFTARG = _ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = _ltree_isparent,
+ COMMUTATOR = '^<@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^<@ (
+ LEFTARG = ltree,
+ RIGHTARG = _ltree,
+ PROCEDURE = _ltree_r_isparent,
+ COMMUTATOR = '^@>',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^<@ (
+ LEFTARG = _ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = _ltree_risparent,
+ COMMUTATOR = '^@>',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^@> (
+ LEFTARG = ltree,
+ RIGHTARG = _ltree,
+ PROCEDURE = _ltree_r_risparent,
+ COMMUTATOR = '^<@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^~ (
+ LEFTARG = _ltree,
+ RIGHTARG = lquery,
+ PROCEDURE = _ltq_regex,
+ COMMUTATOR = '^~',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^~ (
+ LEFTARG = lquery,
+ RIGHTARG = _ltree,
+ PROCEDURE = _ltq_rregex,
+ COMMUTATOR = '^~',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^? (
+ LEFTARG = _ltree,
+ RIGHTARG = _lquery,
+ PROCEDURE = _lt_q_regex,
+ COMMUTATOR = '^?',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^? (
+ LEFTARG = _lquery,
+ RIGHTARG = _ltree,
+ PROCEDURE = _lt_q_rregex,
+ COMMUTATOR = '^?',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^@ (
+ LEFTARG = _ltree,
+ RIGHTARG = ltxtquery,
+ PROCEDURE = _ltxtq_exec,
+ COMMUTATOR = '^@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+CREATE OPERATOR ^@ (
+ LEFTARG = ltxtquery,
+ RIGHTARG = _ltree,
+ PROCEDURE = _ltxtq_rexec,
+ COMMUTATOR = '^@',
+ RESTRICT = contsel,
+ JOIN = contjoinsel
+);
+
+--extractors
+CREATE FUNCTION _ltree_extract_isparent(_ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR ?@> (
+ LEFTARG = _ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = _ltree_extract_isparent
+);
+
+CREATE FUNCTION _ltree_extract_risparent(_ltree,ltree)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR ?<@ (
+ LEFTARG = _ltree,
+ RIGHTARG = ltree,
+ PROCEDURE = _ltree_extract_risparent
+);
+
+CREATE FUNCTION _ltq_extract_regex(_ltree,lquery)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR ?~ (
+ LEFTARG = _ltree,
+ RIGHTARG = lquery,
+ PROCEDURE = _ltq_extract_regex
+);
+
+CREATE FUNCTION _ltxtq_extract_exec(_ltree,ltxtquery)
+RETURNS ltree
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE;
+
+CREATE OPERATOR ?@ (
+ LEFTARG = _ltree,
+ RIGHTARG = ltxtquery,
+ PROCEDURE = _ltxtq_extract_exec
+);
+
+--GiST support for ltree[]
+CREATE FUNCTION _ltree_consistent(internal,_ltree,int2,oid,internal)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION _ltree_compress(internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION _ltree_penalty(internal,internal,internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION _ltree_picksplit(internal, internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION _ltree_union(internal, internal)
+RETURNS ltree_gist
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE FUNCTION _ltree_same(ltree_gist, ltree_gist, internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
+CREATE OPERATOR CLASS gist__ltree_ops
+ DEFAULT FOR TYPE _ltree USING gist AS
+ OPERATOR 10 <@ (_ltree, ltree),
+ OPERATOR 11 @> (ltree, _ltree),
+ OPERATOR 12 ~ (_ltree, lquery),
+ OPERATOR 13 ~ (lquery, _ltree),
+ OPERATOR 14 @ (_ltree, ltxtquery),
+ OPERATOR 15 @ (ltxtquery, _ltree),
+ OPERATOR 16 ? (_ltree, _lquery),
+ OPERATOR 17 ? (_lquery, _ltree),
+ FUNCTION 1 _ltree_consistent (internal, _ltree, int2, oid, internal),
+ FUNCTION 2 _ltree_union (internal, internal),
+ FUNCTION 3 _ltree_compress (internal),
+ FUNCTION 4 ltree_decompress (internal),
+ FUNCTION 5 _ltree_penalty (internal, internal, internal),
+ FUNCTION 6 _ltree_picksplit (internal, internal),
+ FUNCTION 7 _ltree_same (ltree_gist, ltree_gist, internal),
+ STORAGE ltree_gist;