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 f(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*'; ?column? ---------- f(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*.!b.c.*'; ?column? ---------- f(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*.c.*'; ?column? ---------- f(1 row)SELECT 'a.b.c.d.e'::ltree ~ '!b.*.c.*'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '!b.b.*'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '!b.*.e'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '!b.!c.*.e'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '!b.*.!c.*.e'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*{2}.!b.*.!c.*.e'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*{1}.!b.*.!c.*.e'; ?column? ---------- f(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*{1}.!b.*{1}.!c.*.e'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ 'a.!b.*{1}.!c.*.e'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '!b.*{1}.!c.*.e'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*{1}.!c.*.e'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*.!c.*.e'; ?column? ---------- f(1 row)SELECT 'a.b.c.d.e'::ltree ~ '!b.!c.*'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '!b.*.!c.*'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*{2}.!b.*.!c.*'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*{1}.!b.*.!c.*'; ?column? ---------- f(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*{1}.!b.*{1}.!c.*'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ 'a.!b.*{1}.!c.*'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '!b.*{1}.!c.*'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*{1}.!c.*'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ~ '*.!b.*.!c.*'; ?column? ---------- f(1 row)SELECT 'QWER_TY'::ltree ~ 'q%@*'; ?column? ---------- t(1 row)SELECT 'QWER_TY'::ltree ~ 'Q_t%@*'; ?column? ---------- t(1 row)SELECT 'QWER_GY'::ltree ~ 'q_t%@*'; ?column? ---------- f(1 row)--ltxtquerySELECT '!tree & aWdf@*'::ltxtquery;   ltxtquery    ---------------- !tree & aWdf@*(1 row)SELECT 'tree & aw_qw%*'::ltxtquery;   ltxtquery    ---------------- tree & aw_qw%*(1 row)SELECT 'ltree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery; ?column? ---------- t(1 row)SELECT 'tree.awdfg'::ltree @ '!tree & aWdf@*'::ltxtquery; ?column? ---------- f(1 row)SELECT 'tree.awdfg'::ltree @ '!tree | aWdf@*'::ltxtquery; ?column? ---------- t(1 row)SELECT 'tree.awdfg'::ltree @ 'tree | aWdf@*'::ltxtquery; ?column? ---------- t(1 row)SELECT 'tree.awdfg'::ltree @ 'tree & aWdf@*'::ltxtquery; ?column? ---------- t(1 row)SELECT 'tree.awdfg'::ltree @ 'tree & aWdf@'::ltxtquery; ?column? ---------- f(1 row)SELECT 'tree.awdfg'::ltree @ 'tree & aWdf*'::ltxtquery; ?column? ---------- f(1 row)SELECT 'tree.awdfg'::ltree @ 'tree & aWdf'::ltxtquery; ?column? ---------- f(1 row)SELECT 'tree.awdfg'::ltree @ 'tree & awdf*'::ltxtquery; ?column? ---------- t(1 row)SELECT 'tree.awdfg'::ltree @ 'tree & aWdfg@'::ltxtquery; ?column? ---------- t(1 row)SELECT 'tree.awdfg_qwerty'::ltree @ 'tree & aw_qw%*'::ltxtquery; ?column? ---------- t(1 row)SELECT 'tree.awdfg_qwerty'::ltree @ 'tree & aw_rw%*'::ltxtquery; ?column? ---------- f(1 row)--arraysSELECT '{1.2.3}'::ltree[] @> '1.2.3.4'; ?column? ---------- t(1 row)SELECT '{1.2.3.4}'::ltree[] @> '1.2.3.4'; ?column? ---------- t(1 row)SELECT '{1.2.3.4.5}'::ltree[] @> '1.2.3.4'; ?column? ---------- f(1 row)SELECT '{1.3.3}'::ltree[] @> '1.2.3.4'; ?column? ---------- f(1 row)SELECT '{5.67.8, 1.2.3}'::ltree[] @> '1.2.3.4'; ?column? ---------- t(1 row)SELECT '{5.67.8, 1.2.3.4}'::ltree[] @> '1.2.3.4'; ?column? ---------- t(1 row)SELECT '{5.67.8, 1.2.3.4.5}'::ltree[] @> '1.2.3.4'; ?column? ---------- f(1 row)SELECT '{5.67.8, 1.3.3}'::ltree[] @> '1.2.3.4'; ?column? ---------- f(1 row)SELECT '{1.2.3, 7.12.asd}'::ltree[] @> '1.2.3.4'; ?column? ---------- t(1 row)SELECT '{1.2.3.4, 7.12.asd}'::ltree[] @> '1.2.3.4'; ?column? ---------- t(1 row)SELECT '{1.2.3.4.5, 7.12.asd}'::ltree[] @> '1.2.3.4'; ?column? ---------- f(1 row)SELECT '{1.3.3, 7.12.asd}'::ltree[] @> '1.2.3.4'; ?column? ---------- f(1 row)SELECT '{ltree.asd, tree.awdfg}'::ltree[] @ 'tree & aWdfg@'::ltxtquery; ?column? ---------- t(1 row)SELECT '{j.k.l.m, g.b.c.d.e}'::ltree[] ~ 'A*@|g.b.c.d.e'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ? '{A.b.c.d.e}'; ?column? ---------- f(1 row)SELECT 'a.b.c.d.e'::ltree ? '{a.b.c.d.e}'; ?column? ---------- t(1 row)SELECT 'a.b.c.d.e'::ltree ? '{A.b.c.d.e, a.*}'; ?column? ---------- t(1 row)SELECT '{a.b.c.d.e,B.df}'::ltree[] ? '{A.b.c.d.e}'; ?column? ---------- f(1 row)SELECT '{a.b.c.d.e,B.df}'::ltree[] ? '{A.b.c.d.e,*.df}'; ?column? ---------- t(1 row)--exractorsSELECT ('{3456,1.2.3.34}'::ltree[] ?@> '1.2.3.4') is null; ?column? ---------- t(1 row)SELECT '{3456,1.2.3}'::ltree[] ?@> '1.2.3.4'; ?column? ---------- 1.2.3(1 row)SELECT '{3456,1.2.3.4}'::ltree[] ?<@ '1.2.3'; ?column? ---------- 1.2.3.4(1 row)SELECT ('{3456,1.2.3.4}'::ltree[] ?<@ '1.2.5') is null; ?column? ---------- t(1 row)SELECT '{ltree.asd, tree.awdfg}'::ltree[] ?@ 'tree & aWdfg@'::ltxtquery;  ?column?  ------------ tree.awdfg(1 row)SELECT '{j.k.l.m, g.b.c.d.e}'::ltree[] ?~ 'A*@|g.b.c.d.e'; ?column?  ----------- g.b.c.d.e(1 row)CREATE TABLE ltreetest (t ltree);\copy ltreetest FROM 'data/ltree.data'SELECT * FROM ltreetest WHERE t <  '12.3' order by t asc;                t                 ----------------------------------  1 1.1 1.1.1 1.1.1.1 1.1.1.2 1.1.1.2.1 1.1.2 1.1.2.1 1.1.3 1.1.7.32.11.22 1.10.21 1.10.23.25.5.11 1.10.4.18.22.23.24 1.10.5.22.13 1.11.10.19.6.1.26.17.2.22 1.12.25.26.22.8.15.23 1.13.16.27.11.16.30.2.9.18.4 1.14.3.7.3.17.2.29 1.15.17.6.28.25.24.31.27.9 1.16.8.18.14.16.21.25.6 1.18.29.30.22.14.3.20.15.21.20 1.19.22.11.14.7.32.23.19.14 1.20.18.25.3.24.25.10.9 1.20.22.26.2.6.11 1.21.28.4.23 1.22.19.24.8.11 1.22.29.5.16 1.25.7.9.26.17.31.20.13 1.26 1.26.15.23.5.31.29.11.19.28.1 1.27.22.23.2.26.32.17.7.9 1.28.19.8.25.6.20.27.29.27 1.28.3.22 1.29.18.1.21.12.13.27.32.15 1.3.15.11.11.25.24.21.19 1.30.18.31.12.25.4.19.28.12.15 1.30.31.31.20.16.7 1.31.3 1.4.14.32.14 1.8 1.9.18.10.1.26.22.16.17 10.11.25.2.24.18.18.21.6.26.21 10.12.23.22.23.22.20.17.17.9 10.12.9.6.6.26.14.8.23.1.25 10.13.12.8.4.8.11.30 10.13.22.1.8.30.9.24.1.2.1 10.15.16.3 10.16.18.9.27.2.29.32.24.13 10.16.19.7.15 10.18.12.27.24.30.32.7.11.5.13 10.2.17.26.16.7.19.6.23.3 10.20 10.22.1 10.22.30.16.2.21.17.13 10.26.27.23.4.31.11.25.29 10.26.30.15.1 10.27.7.24.26.11.31.20.29 10.28.22.29.13.19.6.7.6.14 10.28.7.16.31 10.29 10.29.26.4.27.17.11 10.3 10.3.19 10.31 10.31.25.31.24.16.17 10.32.14 10.5.23.5.32.9.18.5.30 10.5.5.15.29.2 10.7.9 10.8.20.11.12.23.22 11.1 11.1.3.28.30.21.24.14 11.10 11.10.22.18 11.11.11.4.23.21.25 11.11.9.30.15.29.15.18 11.12.6.21 11.14.21.24.10.7.29.23.24.28 11.15.11.19.29.10 11.16.16.28.14 11.17.10 11.17.17.24.11.23.17.17.18.10.22 11.18.4.8.3.13.14.28.18.31 11.19.23.3.6.11 11.2.27.3 11.21.13.9.19 11.21.16.27.16 11.22.28.8.12.23.25.15.21.28 11.29 11.3.15.28.22.8.14 11.30 11.30.20.15.18.32.1.18.25.26.8 11.32.18.31 11.6.11.29.4.5.24.6.26.12 11.7.31.15.22 11.8.18 12.1.1 12.1.28.22.25 12.10 12.10.11.9.10.31.4.16.31 12.11.17.1.2 12.11.20.20.29 12.13.16.17.29.27.16.14.9.19.9 12.13.5.31 12.14.20.8.28.4 12.15.10.17.18.13 12.16.13 12.16.2.4.15 12.17.10.7.17.16 12.18 12.2.4.28.21.30.24 12.21.15.27.24.15.8.24.24.26 12.21.20.20 12.22.20.4.12 12.23.3.19.29.15.12.6 12.24.29.32.32.29.2 12.25.32.2.27.3.3.16 12.27.23.32.1.1.9.29.13 12.27.30.12.24.2.20 12.28.12.24.28.15.5.12.30.13.21 12.29.17.2.20.29.1.11.19.8.12 12.29.26.18.4.21.28.8.13.3(123 rows)SELECT * FROM ltreetest WHERE t <= '12.3' order by t asc;                t                 ----------------------------------  1 1.1 1.1.1 1.1.1.1 1.1.1.2 1.1.1.2.1 1.1.2 1.1.2.1 1.1.3 1.1.7.32.11.22 1.10.21 1.10.23.25.5.11 1.10.4.18.22.23.24 1.10.5.22.13 1.11.10.19.6.1.26.17.2.22 1.12.25.26.22.8.15.23 1.13.16.27.11.16.30.2.9.18.4 1.14.3.7.3.17.2.29 1.15.17.6.28.25.24.31.27.9 1.16.8.18.14.16.21.25.6 1.18.29.30.22.14.3.20.15.21.20 1.19.22.11.14.7.32.23.19.14 1.20.18.25.3.24.25.10.9 1.20.22.26.2.6.11 1.21.28.4.23 1.22.19.24.8.11 1.22.29.5.16 1.25.7.9.26.17.31.20.13 1.26 1.26.15.23.5.31.29.11.19.28.1 1.27.22.23.2.26.32.17.7.9 1.28.19.8.25.6.20.27.29.27 1.28.3.22 1.29.18.1.21.12.13.27.32.15 1.3.15.11.11.25.24.21.19 1.30.18.31.12.25.4.19.28.12.15 1.30.31.31.20.16.7 1.31.3 1.4.14.32.14 1.8 1.9.18.10.1.26.22.16.17 10.11.25.2.24.18.18.21.6.26.21 10.12.23.22.23.22.20.17.17.9 10.12.9.6.6.26.14.8.23.1.25 10.13.12.8.4.8.11.30 10.13.22.1.8.30.9.24.1.2.1 10.15.16.3 10.16.18.9.27.2.29.32.24.13 10.16.19.7.15 10.18.12.27.24.30.32.7.11.5.13 10.2.17.26.16.7.19.6.23.3 10.20 10.22.1 10.22.30.16.2.21.17.13 10.26.27.23.4.31.11.25.29 10.26.30.15.1 10.27.7.24.26.11.31.20.29 10.28.22.29.13.19.6.7.6.14 10.28.7.16.31 10.29 10.29.26.4.27.17.11 10.3 10.3.19 10.31 10.31.25.31.24.16.17 10.32.14 10.5.23.5.32.9.18.5.30 10.5.5.15.29.2 10.7.9 10.8.20.11.12.23.22 11.1 11.1.3.28.30.21.24.14 11.10 11.10.22.18 11.11.11.4.23.21.25 11.11.9.30.15.29.15.18 11.12.6.21 11.14.21.24.10.7.29.23.24.28 11.15.11.19.29.10 11.16.16.28.14 11.17.10 11.17.17.24.11.23.17.17.18.10.22 11.18.4.8.3.13.14.28.18.31 11.19.23.3.6.11 11.2.27.3 11.21.13.9.19 11.21.16.27.16 11.22.28.8.12.23.25.15.21.28 11.29 11.3.15.28.22.8.14 11.30 11.30.20.15.18.32.1.18.25.26.8 11.32.18.31 11.6.11.29.4.5.24.6.26.12 11.7.31.15.22 11.8.18 12.1.1 12.1.28.22.25 12.10 12.10.11.9.10.31.4.16.31 12.11.17.1.2 12.11.20.20.29 12.13.16.17.29.27.16.14.9.19.9 12.13.5.31 12.14.20.8.28.4 12.15.10.17.18.13 12.16.13 12.16.2.4.15 12.17.10.7.17.16 12.18 12.2.4.28.21.30.24 12.21.15.27.24.15.8.24.24.26 12.21.20.20 12.22.20.4.12 12.23.3.19.29.15.12.6 12.24.29.32.32.29.2 12.25.32.2.27.3.3.16 12.27.23.32.1.1.9.29.13 12.27.30.12.24.2.20 12.28.12.24.28.15.5.12.30.13.21 12.29.17.2.20.29.1.11.19.8.12 12.29.26.18.4.21.28.8.13.3 12.3(124 rows)SELECT * FROM ltreetest WHERE t =  '12.3' order by t asc;  t   ------ 12.3(1 row)SELECT * FROM ltreetest WHERE t >= '12.3' order by t asc;                t                 ---------------------------------- 12.3 12.4.10.17.4.10.23.3 12.4.12.13.25.30.30.8.9.12 12.4.24.6.1.13.5.20 12.4.26.23.25.5.15.7.16 12.6.14.23.19.21.9.12 12.7.16.8.21.22.2.16.18 12.7.28.26.14.21.18.31.5.15.11 13.1.6.17.28.9.15.30.1.27.14 13.12 13.14.13.10.28.26.9.18.27.21 13.16.1.27.18.18.19.6.14.4 13.16.4.28 13.17.7 13.19.2.6.23.19.9.7.21.8.16 13.24 13.25.10.25.8.16 13.26.17.3.2.19 13.28.12.6 13.28.14.2.8.18 13.28.9.3 13.3.20 13.3.8 13.30.24 13.32.15.32.26.14.32 13.7 13.8.15.3.7.31.5.10.15.30 13.8.20.9.21 13.8.23.13.11.18.24.21.11.24.10 13.9.9.27.31.11.25.9.27.22.13 14.1.11 14.1.15.25.27.23.25.26.28.10 14.10.11.30.5.7.6.24.9.30.26 14.11.25 14.12.31 14.13.9.13.11.5.5.2.2.32.12 14.14.25 14.15.31.29 14.16.6.29.26.13.14.16.25.26.8 14.17.7.30.8.25.26.4 14.19.20.13.27.2.2 14.19.26.15.22.23 14.19.30.6.4.10.10.10.22.25.11 14.2.14.11.12 14.21.22 14.21.5.28.3.32.24.14.25.31 14.21.6.5.26.9.32.16.25 14.23.31.5.5.15.17.12.17.7.3 14.24 14.26.25.4.12.26.8 14.27.29.23.4.1.17.32.6.25.22 14.29 14.3.17.1.14.15.21.4.26 14.30.13.5.26.9.22.23.14.10 14.30.2.21.15.16.13 14.30.23.3 14.4.19.27.28.24.19 14.4.23.4.23.22.11.6.26.5 14.5.13.19.25.12.32.9.13.16.12 14.6.10.29.25.26.20.24.24 14.8.15.30.7.29.27.31.4 14.9.15.21.21.31.1.29 15.1.6.31.30.13.32.9.10 15.1.8 15.10.30.1.4.12.8.20 15.11.26.1.30.6.23.5 15.17 15.17.2.32.7 15.21.22 15.21.23.30.9.25 15.23.26.20.27.7 15.25.31.11.4.22.16.7.11 15.26.24.31.16.15.17.22.8.30.3 15.28.24 15.28.30.19.31.6.2.2.31 15.29.25 15.29.32.16.29.12.20.32.13.20 15.3.31.9.27.14.9.8.14.6.32 15.30.17.5.32.28.2.18.27 15.31.11.27.19.19.20.5.5 15.4.15 15.5.1.31.28.10.8 15.6.19.3 15.7.3.14.23.19.26

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