select jsonb '{"a": 12}' @? '$';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": 12}' @? '1';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": 12}' @? '$.a.b';
 ?column? 
----------
 f
(1 row)

select jsonb '{"a": 12}' @? '$.b';
 ?column? 
----------
 f
(1 row)

select jsonb '{"a": 12}' @? '$.a + 2';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": 12}' @? '$.b + 2';
 ?column? 
----------
 
(1 row)

select jsonb '{"a": {"a": 12}}' @? '$.a.a';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"a": 12}}' @? '$.*.a';
 ?column? 
----------
 t
(1 row)

select jsonb '{"b": {"a": 12}}' @? '$.*.a';
 ?column? 
----------
 t
(1 row)

select jsonb '{"b": {"a": 12}}' @? '$.*.b';
 ?column? 
----------
 f
(1 row)

select jsonb '{"b": {"a": 12}}' @? 'strict $.*.b';
 ?column? 
----------
 
(1 row)

select jsonb '{}' @? '$.*';
 ?column? 
----------
 f
(1 row)

select jsonb '{"a": 1}' @? '$.*';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"b": 1}}' @? 'lax $.**{1}';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"b": 1}}' @? 'lax $.**{2}';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"b": 1}}' @? 'lax $.**{3}';
 ?column? 
----------
 f
(1 row)

select jsonb '[]' @? '$[*]';
 ?column? 
----------
 f
(1 row)

select jsonb '[1]' @? '$[*]';
 ?column? 
----------
 t
(1 row)

select jsonb '[1]' @? '$[1]';
 ?column? 
----------
 f
(1 row)

select jsonb '[1]' @? 'strict $[1]';
 ?column? 
----------
 
(1 row)

select jsonb '[1]' @? 'lax $[10000000000000000]';
 ?column? 
----------
 
(1 row)

select jsonb '[1]' @? 'strict $[10000000000000000]';
 ?column? 
----------
 
(1 row)

select jsonb '[1]' @? '$[0]';
 ?column? 
----------
 t
(1 row)

select jsonb '[1]' @? '$[0.3]';
 ?column? 
----------
 t
(1 row)

select jsonb '[1]' @? '$[0.5]';
 ?column? 
----------
 t
(1 row)

select jsonb '[1]' @? '$[0.9]';
 ?column? 
----------
 t
(1 row)

select jsonb '[1]' @? '$[1.2]';
 ?column? 
----------
 f
(1 row)

select jsonb '[1]' @? 'strict $[1.2]';
 ?column? 
----------
 
(1 row)

select jsonb '{"a": [1,2,3], "b": [3,4,5]}' @? '$ ? (@.a[*] >  @.b[*])';
 ?column? 
----------
 f
(1 row)

select jsonb '{"a": [1,2,3], "b": [3,4,5]}' @? '$ ? (@.a[*] >= @.b[*])';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": [1,2,3], "b": [3,4,"5"]}' @? '$ ? (@.a[*] >= @.b[*])';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": [1,2,3], "b": [3,4,"5"]}' @? 'strict $ ? (@.a[*] >= @.b[*])';
 ?column? 
----------
 f
(1 row)

select jsonb '{"a": [1,2,3], "b": [3,4,null]}' @? '$ ? (@.a[*] >= @.b[*])';
 ?column? 
----------
 t
(1 row)

select jsonb '1' @? '$ ? ((@ == "1") is unknown)';
 ?column? 
----------
 t
(1 row)

select jsonb '1' @? '$ ? ((@ == 1) is unknown)';
 ?column? 
----------
 f
(1 row)

select jsonb '[{"a": 1}, {"a": 2}]' @? '$[0 to 1] ? (@.a > 1)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"b": 1}}' @? '$.**.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"b": 1}}' @? '$.**{0}.b ? ( @ > 0)';
 ?column? 
----------
 f
(1 row)

select jsonb '{"a": {"b": 1}}' @? '$.**{1}.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"b": 1}}' @? '$.**{0 to last}.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"b": 1}}' @? '$.**{1 to last}.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"b": 1}}' @? '$.**{1 to 2}.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{0}.b ? ( @ > 0)';
 ?column? 
----------
 f
(1 row)

select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{1}.b ? ( @ > 0)';
 ?column? 
----------
 f
(1 row)

select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{0 to last}.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{1 to last}.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{1 to 2}.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{2 to 3}.b ? ( @ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": 1, "b":1}' @? '$ ? (@.a == @.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": 1, "b":1}}' @? '$ ? (@.a == @.b)';
 ?column? 
----------
 f
(1 row)

select jsonb '{"c": {"a": 1, "b":1}}' @? '$.c ? (@.a == @.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": 1, "b":1}}' @? '$.c ? ($.c.a == @.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": 1, "b":1}}' @? '$.* ? (@.a == @.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": 1, "b":1}' @? '$.** ? (@.a == @.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": 1, "b":1}}' @? '$.** ? (@.a == @.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": -1, "b":1}}' @? '$.** ? (@.a == - 1)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": -1, "b":1}}' @? '$.** ? (@.a == -1)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": -1, "b":1}}' @? '$.** ? (@.a == -@.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": -1, "b":1}}' @? '$.** ? (@.a == - @.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": 0, "b":1}}' @? '$.** ? (@.a == 1 - @.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": 2, "b":1}}' @? '$.** ? (@.a == 1 - - @.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '{"c": {"a": 0, "b":1}}' @? '$.** ? (@.a == 1 - +@.b)';
 ?column? 
----------
 t
(1 row)

select jsonb '[1,2,3]' @? '$ ? (+@[*] > +2)';
 ?column? 
----------
 t
(1 row)

select jsonb '[1,2,3]' @? '$ ? (+@[*] > +3)';
 ?column? 
----------
 f
(1 row)

select jsonb '[1,2,3]' @? '$ ? (-@[*] < -2)';
 ?column? 
----------
 t
(1 row)

select jsonb '[1,2,3]' @? '$ ? (-@[*] < -3)';
 ?column? 
----------
 f
(1 row)

select jsonb '1' @? '$ ? ($ > 0)';
 ?column? 
----------
 t
(1 row)

select jsonb '["1",2,0,3]' @? '-$[*]';
 ?column? 
----------
 t
(1 row)

select jsonb '[1,"2",0,3]' @? '-$[*]';
 ?column? 
----------
 t
(1 row)

select jsonb '["1",2,0,3]' @? 'strict -$[*]';
 ?column? 
----------
 
(1 row)

select jsonb '[1,"2",0,3]' @? 'strict -$[*]';
 ?column? 
----------
 
(1 row)

select jsonb '2' @? '$ == "2"';
 ?column? 
----------
 t
(1 row)

select jsonb '2' @@ '$ > 1';
 ?column? 
----------
 t
(1 row)

select jsonb '2' @@ '$ <= 1';
 ?column? 
----------
 f
(1 row)

select jsonb '2' @@ '$ == "2"';
 ?column? 
----------
 
(1 row)

select jsonb '2' @@ '1';
 ?column? 
----------
 
(1 row)

select jsonb '{}' @@ '$';
 ?column? 
----------
 
(1 row)

select jsonb '[]' @@ '$';
 ?column? 
----------
 
(1 row)

select jsonb '[1,2,3]' @@ '$[*]';
 ?column? 
----------
 
(1 row)

select jsonb '[]' @@ '$[*]';
 ?column? 
----------
 
(1 row)

select jsonb '{"a": 1, "b": [1, 2]}' @? 'lax $.keyvalue()';
 ?column? 
----------
 t
(1 row)

select jsonb '{"a": 1, "b": [1, 2]}' @? 'lax $.keyvalue().key';
 ?column? 
----------
 t
(1 row)

select jsonb '"10-03-2017"' @? '$.datetime("dd-mm-yyyy")';
 ?column? 
----------
 t
(1 row)

set time zone '+00';
set time zone '+10';
set time zone default;
set time zone '+00';
set time zone default;
SELECT jsonb '[{"a": 1}, {"a": 2}]' @? '$[*].a ? (@ > 1)';
 ?column? 
----------
 t
(1 row)

SELECT jsonb '[{"a": 1}, {"a": 2}]' @? '$[*] ? (@.a > 2)';
 ?column? 
----------
 f
(1 row)

SELECT jsonb '[{"a": 1}, {"a": 2}]' @@ '$[*].a > 1';
 ?column? 
----------
 t
(1 row)

SELECT jsonb '[{"a": 1}, {"a": 2}]' @@ '$[*].a > 2';
 ?column? 
----------
 f
(1 row)