CREATE EXTENSION ltree; -- Check whether any of our opclasses fail amvalidate SELECT amname, opcname FROM pg_opclass opc LEFT JOIN pg_am am ON am.oid = opcmethod WHERE opc.oid >= 16384 AND NOT amvalidate(opc.oid); SELECT ''::ltree; SELECT '1'::ltree; SELECT '1.2'::ltree; SELECT '1.2._3'::ltree; -- empty labels not allowed SELECT '.2.3'::ltree; SELECT '1..3'::ltree; SELECT '1.2.'::ltree; SELECT repeat('x', 255)::ltree; SELECT repeat('x', 256)::ltree; SELECT ltree2text('1.2.3.34.sdf'); SELECT text2ltree('1.2.3.34.sdf'); SELECT subltree('Top.Child1.Child2',1,2); SELECT subpath('Top.Child1.Child2',1,2); SELECT subpath('Top.Child1.Child2',-1,1); SELECT subpath('Top.Child1.Child2',0,-2); SELECT subpath('Top.Child1.Child2',0,-1); SELECT subpath('Top.Child1.Child2',0,0); SELECT subpath('Top.Child1.Child2',1,0); SELECT subpath('Top.Child1.Child2',0); SELECT subpath('Top.Child1.Child2',1); SELECT index('1.2.3.4.5.6','1.2'); SELECT index('a.1.2.3.4.5.6','1.2'); SELECT index('a.1.2.3.4.5.6','1.2.3'); SELECT index('a.1.2.3.4.5.6','1.2.3.j'); SELECT index('a.1.2.3.4.5.6','1.2.3.j.4.5.5.5.5.5.5'); SELECT index('a.1.2.3.4.5.6','1.2.3'); SELECT index('a.1.2.3.4.5.6','6'); SELECT index('a.1.2.3.4.5.6','6.1'); SELECT index('a.1.2.3.4.5.6','5.6'); SELECT index('0.1.2.3.5.4.5.6','5.6'); SELECT index('0.1.2.3.5.4.5.6.8.5.6.8','5.6',3); SELECT index('0.1.2.3.5.4.5.6.8.5.6.8','5.6',6); SELECT index('0.1.2.3.5.4.5.6.8.5.6.8','5.6',7); SELECT index('0.1.2.3.5.4.5.6.8.5.6.8','5.6',-7); SELECT index('0.1.2.3.5.4.5.6.8.5.6.8','5.6',-4); SELECT index('0.1.2.3.5.4.5.6.8.5.6.8','5.6',-3); SELECT index('0.1.2.3.5.4.5.6.8.5.6.8','5.6',-2); SELECT index('0.1.2.3.5.4.5.6.8.5.6.8','5.6',-20000); SELECT 'Top.Child1.Child2'::ltree || 'Child3'::text; SELECT 'Top.Child1.Child2'::ltree || 'Child3'::ltree; SELECT 'Top_0'::ltree || 'Top.Child1.Child2'::ltree; SELECT 'Top.Child1.Child2'::ltree || ''::ltree; SELECT ''::ltree || 'Top.Child1.Child2'::ltree; SELECT lca('{la.2.3,1.2.3.4.5.6,""}') IS NULL; SELECT lca('{la.2.3,1.2.3.4.5.6}') IS NULL; SELECT lca('{1.la.2.3,1.2.3.4.5.6}'); SELECT lca('{1.2.3,1.2.3.4.5.6}'); SELECT lca('{1.2.3}'); SELECT lca('{1}'), lca('{1}') IS NULL; SELECT lca('{}') IS NULL; SELECT lca('1.la.2.3','1.2.3.4.5.6'); SELECT lca('1.2.3','1.2.3.4.5.6'); SELECT lca('1.2.2.3','1.2.3.4.5.6'); SELECT lca('1.2.2.3','1.2.3.4.5.6',''); SELECT lca('1.2.2.3','1.2.3.4.5.6','2'); SELECT lca('1.2.2.3','1.2.3.4.5.6','1'); SELECT '1'::lquery; SELECT '4|3|2'::lquery; SELECT '1.2'::lquery; SELECT '1.4|3|2'::lquery; SELECT '1.0'::lquery; SELECT '4|3|2.0'::lquery; SELECT '1.2.0'::lquery; SELECT '1.4|3|2.0'::lquery; SELECT '1.*'::lquery; SELECT '4|3|2.*'::lquery; SELECT '1.2.*'::lquery; SELECT '1.4|3|2.*'::lquery; SELECT '*.1.*'::lquery; SELECT '*.4|3|2.*'::lquery; SELECT '*.1.2.*'::lquery; SELECT '*.1.4|3|2.*'::lquery; SELECT '1.*.4|3|2'::lquery; SELECT '1.*.4|3|2.0'::lquery; SELECT '1.*.4|3|2.*{1,4}'::lquery; SELECT '1.*.4|3|2.*{,4}'::lquery; SELECT '1.*.4|3|2.*{1,}'::lquery; SELECT '1.*.4|3|2.*{1}'::lquery; SELECT 'foo.bar{,}.!a*|b{1,}.c{,44}.d{3,4}'::lquery; SELECT 'foo*@@*'::lquery; SELECT 'qwerty%@*.tu'::lquery; -- empty labels not allowed SELECT '.2.3'::lquery; SELECT '1..3'::lquery; SELECT '1.2.'::lquery; SELECT '@.2.3'::lquery; SELECT '1.@.3'::lquery; SELECT '1.2.@'::lquery; SELECT '!.2.3'::lquery; SELECT '1.!.3'::lquery; SELECT '1.2.!'::lquery; SELECT '1.2.3|@.4'::lquery; SELECT (repeat('x', 255) || '*@@*')::lquery; SELECT (repeat('x', 256) || '*@@*')::lquery; SELECT ('!' || repeat('x', 255))::lquery; SELECT ('!' || repeat('x', 256))::lquery; SELECT nlevel('1.2.3.4'); SELECT nlevel(('1' || repeat('.1', 65534))::ltree); SELECT nlevel(('1' || repeat('.1', 65535))::ltree); SELECT nlevel(('1' || repeat('.1', 65534))::ltree || '1'); SELECT ('1' || repeat('.1', 65534))::lquery IS NULL; SELECT ('1' || repeat('.1', 65535))::lquery IS NULL; SELECT '*{65535}'::lquery; SELECT '*{65536}'::lquery; SELECT '*{,65534}'::lquery; SELECT '*{,65535}'::lquery; SELECT '*{,65536}'::lquery; SELECT '*{4,3}'::lquery; SELECT '1.2'::ltree < '2.2'::ltree; SELECT '1.2'::ltree <= '2.2'::ltree; SELECT '2.2'::ltree = '2.2'::ltree; SELECT '3.2'::ltree >= '2.2'::ltree; SELECT '3.2'::ltree > '2.2'::ltree; SELECT '1.2.3'::ltree @> '1.2.3.4'::ltree; SELECT '1.2.3.4'::ltree @> '1.2.3.4'::ltree; SELECT '1.2.3.4.5'::ltree @> '1.2.3.4'::ltree; SELECT '1.3.3'::ltree @> '1.2.3.4'::ltree; SELECT 'a.b.c.d.e'::ltree ~ 'a.b.c.d.e'; SELECT 'a.b.c.d.e'::ltree ~ 'A.b.c.d.e'; SELECT 'a.b.c.d.e'::ltree ~ 'A@.b.c.d.e'; SELECT 'aa.b.c.d.e'::ltree ~ 'A@.b.c.d.e'; SELECT 'aa.b.c.d.e'::ltree ~ 'A*.b.c.d.e'; SELECT 'aa.b.c.d.e'::ltree ~ 'A*@.b.c.d.e'; SELECT 'aa.b.c.d.e'::ltree ~ 'A*@|g.b.c.d.e'; SELECT 'g.b.c.d.e'::ltree ~ 'A*@|g.b.c.d.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.b.c.d.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{3}.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{2}.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{4}.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{,4}.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{2,}.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{2,4}.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{2,3}.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{2,3}'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{2,4}'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{2,5}'; SELECT 'a.b.c.d.e'::ltree ~ '*{2,3}.e'; SELECT 'a.b.c.d.e'::ltree ~ '*{2,4}.e'; SELECT 'a.b.c.d.e'::ltree ~ '*{2,5}.e'; SELECT 'a.b.c.d.e'::ltree ~ '*.e'; SELECT 'a.b.c.d.e'::ltree ~ '*.e.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.d.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.a.*.d.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.!d.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.!d'; SELECT 'a.b.c.d.e'::ltree ~ '!d.*'; SELECT 'a.b.c.d.e'::ltree ~ '!a.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.!e'; SELECT 'a.b.c.d.e'::ltree ~ '*.!e.*'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*.!e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*.!d'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*.!d.*'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*.!f.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.a.*.!f.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.a.*.!d.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.a.!d.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.a.!d'; SELECT 'a.b.c.d.e'::ltree ~ 'a.!d.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.a.*.!d.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.!b.c.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*.c.*'; SELECT 'a.b.c.d.e'::ltree ~ '!b.*.c.*'; SELECT 'a.b.c.d.e'::ltree ~ '!b.b.*'; SELECT 'a.b.c.d.e'::ltree ~ '!b.*.e'; SELECT 'a.b.c.d.e'::ltree ~ '!b.!c.*.e'; SELECT 'a.b.c.d.e'::ltree ~ '!b.*.!c.*.e'; SELECT 'a.b.c.d.e'::ltree ~ '*{2}.!b.*.!c.*.e'; SELECT 'a.b.c.d.e'::ltree ~ '*{1}.!b.*.!c.*.e'; SELECT 'a.b.c.d.e'::ltree ~ '*{1}.!b.*{1}.!c.*.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.!b.*{1}.!c.*.e'; SELECT 'a.b.c.d.e'::ltree ~ '!b.*{1}.!c.*.e'; SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*{1}.!c.*.e'; SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*.!c.*.e'; SELECT 'a.b.c.d.e'::ltree ~ '!b.!c.*'; SELECT 'a.b.c.d.e'::ltree ~ '!b.*.!c.*'; SELECT 'a.b.c.d.e'::ltree ~ '*{2}.!b.*.!c.*'; SELECT 'a.b.c.d.e'::ltree ~ '*{1}.!b.*.!c.*'; SELECT 'a.b.c.d.e'::ltree ~ '*{1}.!b.*{1}.!c.*'; SELECT 'a.b.c.d.e'::ltree ~ 'a.!b.*{1}.!c.*'; SELECT 'a.b.c.d.e'::ltree ~ '!b.*{1}.!c.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*{1}.!c.*'; SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*.!c.*'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{2}.*{2}'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{1}.*{2}.e'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{1}.*{4}'; SELECT 'a.b.c.d.e'::ltree ~ 'a.*{5}.*'; SELECT '5.0.1.0'::ltree ~ '5.!0.!0.0'; SELECT 'a.b'::ltree ~ '!a.!a'; SELECT 'a.b.c.d.e'::ltree ~ 'a{,}'; SELECT 'a.b.c.d.e'::ltree ~ 'a{1,}.*'; SELECT 'a.b.c.d.e'::ltree ~ 'a{,}.!a{,}'; SELECT 'a.b.c.d.a'::ltree ~ 'a{,}.!a{,}'; SELECT 'a.b.c.d.a'::ltree ~ 'a{,2}.!a{1,}'; SELECT 'a.b.c.d.e'::ltree ~ 'a{,2}.!a{1,}'; SELECT 'a.b.c.d.e'::ltree ~ '!x{,}'; SELECT 'a.b.c.d.e'::ltree ~ '!c{,}'; SELECT 'a.b.c.d.e'::ltree ~ '!c{0,3}.!a{2,}'; SELECT 'a.b.c.d.e'::ltree ~ '!c{0,3}.!d{2,}.*'; SELECT 'QWER_TY'::ltree ~ 'q%@*'; SELECT 'QWER_TY'::ltree ~ 'q%@*%@*'; SELECT 'QWER_TY'::ltree ~ 'Q_t%@*'; SELECT 'QWER_GY'::ltree ~ 'q_t%@*'; --ltxtquery SELECT '!tree & aWdf@*'::ltxtquery; SELECT 'tree & aw_qw%*'::ltxtquery; SELECT 'ltree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery; SELECT 'tree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery; SELECT 'tree.awdfg'::ltree @ '!tree | aWdf@*'::ltxtquery; SELECT 'tree.awdfg'::ltree @ 'tree | aWdf@*'::ltxtquery; SELECT 'tree.awdfg'::ltree @ 'tree & aWdf@*'::ltxtquery; SELECT 'tree.awdfg'::ltree @ 'tree & aWdf@'::ltxtquery; SELECT 'tree.awdfg'::ltree @ 'tree & aWdf*'::ltxtquery; SELECT 'tree.awdfg'::ltree @ 'tree & aWdf'::ltxtquery; SELECT 'tree.awdfg'::ltree @ 'tree & awdf*'::ltxtquery; SELECT 'tree.awdfg'::ltree @ 'tree & aWdfg@'::ltxtquery; SELECT 'tree.awdfg_qwerty'::ltree @ 'tree & aw_qw%*'::ltxtquery; SELECT 'tree.awdfg_qwerty'::ltree @ 'tree & aw_rw%*'::ltxtquery; --arrays SELECT '{1.2.3}'::ltree[] @> '1.2.3.4'; SELECT '{1.2.3.4}'::ltree[] @> '1.2.3.4'; SELECT '{1.2.3.4.5}'::ltree[] @> '1.2.3.4'; SELECT '{1.3.3}'::ltree[] @> '1.2.3.4'; SELECT '{5.67.8, 1.2.3}'::ltree[] @> '1.2.3.4'; SELECT '{5.67.8, 1.2.3.4}'::ltree[] @> '1.2.3.4'; SELECT '{5.67.8, 1.2.3.4.5}'::ltree[] @> '1.2.3.4'; SELECT '{5.67.8, 1.3.3}'::ltree[] @> '1.2.3.4'; SELECT '{1.2.3, 7.12.asd}'::ltree[] @> '1.2.3.4'; SELECT '{1.2.3.4, 7.12.asd}'::ltree[] @> '1.2.3.4'; SELECT '{1.2.3.4.5, 7.12.asd}'::ltree[] @> '1.2.3.4'; SELECT '{1.3.3, 7.12.asd}'::ltree[] @> '1.2.3.4'; SELECT '{ltree.asd, tree.awdfg}'::ltree[] @ 'tree & aWdfg@'::ltxtquery; SELECT '{j.k.l.m, g.b.c.d.e}'::ltree[] ~ 'A*@|g.b.c.d.e'; SELECT 'a.b.c.d.e'::ltree ? '{A.b.c.d.e}'; SELECT 'a.b.c.d.e'::ltree ? '{a.b.c.d.e}'; SELECT 'a.b.c.d.e'::ltree ? '{A.b.c.d.e, a.*}'; SELECT '{a.b.c.d.e,B.df}'::ltree[] ? '{A.b.c.d.e}'; SELECT '{a.b.c.d.e,B.df}'::ltree[] ? '{A.b.c.d.e,*.df}'; --extractors SELECT ('{3456,1.2.3.34}'::ltree[] ?@> '1.2.3.4') is null; SELECT '{3456,1.2.3}'::ltree[] ?@> '1.2.3.4'; SELECT '{3456,1.2.3.4}'::ltree[] ?<@ '1.2.3'; SELECT ('{3456,1.2.3.4}'::ltree[] ?<@ '1.2.5') is null; SELECT '{ltree.asd, tree.awdfg}'::ltree[] ?@ 'tree & aWdfg@'::ltxtquery; SELECT '{j.k.l.m, g.b.c.d.e}'::ltree[] ?~ 'A*@|g.b.c.d.e'; CREATE TABLE ltreetest (t ltree); \copy ltreetest FROM 'data/ltree.data' SELECT * FROM ltreetest WHERE t < '12.3' order by t asc; SELECT * FROM ltreetest WHERE t <= '12.3' order by t asc; SELECT * FROM ltreetest WHERE t = '12.3' order by t asc; SELECT * FROM ltreetest WHERE t >= '12.3' order by t asc; SELECT * FROM ltreetest WHERE t > '12.3' order by t asc; SELECT * FROM ltreetest WHERE t @> '1.1.1' order by t asc; SELECT * FROM ltreetest WHERE t <@ '1.1.1' order by t asc; SELECT * FROM ltreetest WHERE t @ '23 & 1' order by t asc; SELECT * FROM ltreetest WHERE t ~ '1.1.1.*' order by t asc; SELECT * FROM ltreetest WHERE t ~ '*.1' order by t asc; SELECT * FROM ltreetest WHERE t ~ '23.*{1}.1' order by t asc; SELECT * FROM ltreetest WHERE t ~ '23.*.1' order by t asc; SELECT * FROM ltreetest WHERE t ~ '23.*.2' order by t asc; SELECT * FROM ltreetest WHERE t ? '{23.*.1,23.*.2}' order by t asc; create unique index tstidx on ltreetest (t); set enable_seqscan=off; SELECT * FROM ltreetest WHERE t < '12.3' order by t asc; SELECT * FROM ltreetest WHERE t <= '12.3' order by t asc; SELECT * FROM ltreetest WHERE t = '12.3' order by t asc; SELECT * FROM ltreetest WHERE t >= '12.3' order by t asc; SELECT * FROM ltreetest WHERE t > '12.3' order by t asc; drop index tstidx; create index tstidx on ltreetest using gist (t); set enable_seqscan=off; SELECT * FROM ltreetest WHERE t < '12.3' order by t asc; SELECT * FROM ltreetest WHERE t <= '12.3' order by t asc; SELECT * FROM ltreetest WHERE t = '12.3' order by t asc; SELECT * FROM ltreetest WHERE t >= '12.3' order by t asc; SELECT * FROM ltreetest WHERE t > '12.3' order by t asc; SELECT * FROM ltreetest WHERE t @> '1.1.1' order by t asc; SELECT * FROM ltreetest WHERE t <@ '1.1.1' order by t asc; SELECT * FROM ltreetest WHERE t @ '23 & 1' order by t asc; SELECT * FROM ltreetest WHERE t ~ '1.1.1.*' order by t asc; SELECT * FROM ltreetest WHERE t ~ '*.1' order by t asc; SELECT * FROM ltreetest WHERE t ~ '23.*{1}.1' order by t asc; SELECT * FROM ltreetest WHERE t ~ '23.*.1' order by t asc; SELECT * FROM ltreetest WHERE t ~ '23.*.2' order by t asc; SELECT * FROM ltreetest WHERE t ? '{23.*.1,23.*.2}' order by t asc; drop index tstidx; create index tstidx on ltreetest using gist (t gist_ltree_ops(siglen=0)); create index tstidx on ltreetest using gist (t gist_ltree_ops(siglen=2025)); create index tstidx on ltreetest using gist (t gist_ltree_ops(siglen=2024)); SELECT count(*) FROM ltreetest WHERE t < '12.3'; SELECT count(*) FROM ltreetest WHERE t <= '12.3'; SELECT count(*) FROM ltreetest WHERE t = '12.3'; SELECT count(*) FROM ltreetest WHERE t >= '12.3'; SELECT count(*) FROM ltreetest WHERE t > '12.3'; SELECT count(*) FROM ltreetest WHERE t @> '1.1.1'; SELECT count(*) FROM ltreetest WHERE t <@ '1.1.1'; SELECT count(*) FROM ltreetest WHERE t @ '23 & 1'; SELECT count(*) FROM ltreetest WHERE t ~ '1.1.1.*'; SELECT count(*) FROM ltreetest WHERE t ~ '*.1'; SELECT count(*) FROM ltreetest WHERE t ~ '23.*{1}.1'; SELECT count(*) FROM ltreetest WHERE t ~ '23.*.1'; SELECT count(*) FROM ltreetest WHERE t ~ '23.*.2'; SELECT count(*) FROM ltreetest WHERE t ? '{23.*.1,23.*.2}'; create table _ltreetest (t ltree[]); \copy _ltreetest FROM 'data/_ltree.data' SELECT count(*) FROM _ltreetest WHERE t @> '1.1.1' ; SELECT count(*) FROM _ltreetest WHERE t <@ '1.1.1' ; SELECT count(*) FROM _ltreetest WHERE t @ '23 & 1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '1.1.1.*' ; SELECT count(*) FROM _ltreetest WHERE t ~ '*.1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '23.*{1}.1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '23.*.1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '23.*.2' ; SELECT count(*) FROM _ltreetest WHERE t ? '{23.*.1,23.*.2}' ; create index _tstidx on _ltreetest using gist (t); set enable_seqscan=off; SELECT count(*) FROM _ltreetest WHERE t @> '1.1.1' ; SELECT count(*) FROM _ltreetest WHERE t <@ '1.1.1' ; SELECT count(*) FROM _ltreetest WHERE t @ '23 & 1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '1.1.1.*' ; SELECT count(*) FROM _ltreetest WHERE t ~ '*.1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '23.*{1}.1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '23.*.1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '23.*.2' ; SELECT count(*) FROM _ltreetest WHERE t ? '{23.*.1,23.*.2}' ; drop index _tstidx; create index _tstidx on _ltreetest using gist (t gist__ltree_ops(siglen=0)); create index _tstidx on _ltreetest using gist (t gist__ltree_ops(siglen=2025)); create index _tstidx on _ltreetest using gist (t gist__ltree_ops(siglen=2024)); SELECT count(*) FROM _ltreetest WHERE t @> '1.1.1' ; SELECT count(*) FROM _ltreetest WHERE t <@ '1.1.1' ; SELECT count(*) FROM _ltreetest WHERE t @ '23 & 1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '1.1.1.*' ; SELECT count(*) FROM _ltreetest WHERE t ~ '*.1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '23.*{1}.1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '23.*.1' ; SELECT count(*) FROM _ltreetest WHERE t ~ '23.*.2' ; SELECT count(*) FROM _ltreetest WHERE t ? '{23.*.1,23.*.2}' ;