^
DETAIL: The input string ended unexpectedly.
CONTEXT: JSON data, line 1:
--- make sure jsonb is passed throught json generators without being escaped
-select array_to_json(ARRAY [jsonb '{"a":1}', jsonb '{"b":[2,3]}']);
+-- make sure jsonb is passed through json generators without being escaped
+SELECT array_to_json(ARRAY [jsonb '{"a":1}', jsonb '{"b":[2,3]}']);
array_to_json
--------------------------
[{"a": 1},{"b": [2, 3]}]
('scalar','"a scalar"'),
('array','["zero", "one","two",null,"four","five"]'),
('object','{"field1":"val1","field2":"val2","field3":null}');
-SELECT test_json -> 'x'
-FROM test_jsonb
-WHERE json_type = 'scalar';
+SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'scalar';
ERROR: cannot call jsonb_object_field on a scalar
-SELECT test_json -> 'x'
-FROM test_jsonb
-WHERE json_type = 'array';
+SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'array';
ERROR: cannot call jsonb_object_field on an array
-SELECT test_json -> 'x'
-FROM test_jsonb
-WHERE json_type = 'object';
+SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'object';
?column?
----------
(1 row)
-SELECT test_json->'field2'
-FROM test_jsonb
-WHERE json_type = 'object';
+SELECT test_json -> 'field2' FROM test_jsonb WHERE json_type = 'object';
?column?
----------
"val2"
(1 row)
-SELECT test_json->>'field2'
-FROM test_jsonb
-WHERE json_type = 'object';
+SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'scalar';
+ERROR: cannot call jsonb_object_field_text on a scalar
+SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'array';
+ERROR: cannot call jsonb_object_field_text on an array
+SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'object';
?column?
----------
val2
(1 row)
-SELECT test_json -> 2
-FROM test_jsonb
-WHERE json_type = 'scalar';
+SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'scalar';
ERROR: cannot call jsonb_array_element on a scalar
-SELECT test_json -> 2
-FROM test_jsonb
-WHERE json_type = 'array';
+SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'array';
?column?
----------
"two"
(1 row)
-SELECT test_json -> 2
-FROM test_jsonb
-WHERE json_type = 'object';
+SELECT test_json -> 9 FROM test_jsonb WHERE json_type = 'array';
+ ?column?
+----------
+
+(1 row)
+
+SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'object';
ERROR: cannot call jsonb_array_element on an object
-SELECT test_json->>2
-FROM test_jsonb
-WHERE json_type = 'array';
+SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'scalar';
+ERROR: cannot call jsonb_array_element_text on a scalar
+SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'array';
?column?
----------
two
(1 row)
-SELECT jsonb_object_keys(test_json)
-FROM test_jsonb
-WHERE json_type = 'scalar';
+SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'object';
+ERROR: cannot call jsonb_array_element_text on an object
+SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'scalar';
ERROR: cannot call jsonb_object_keys on a scalar
-SELECT jsonb_object_keys(test_json)
-FROM test_jsonb
-WHERE json_type = 'array';
+SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'array';
ERROR: cannot call jsonb_object_keys on an array
-SELECT jsonb_object_keys(test_json)
-FROM test_jsonb
-WHERE json_type = 'object';
+SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'object';
jsonb_object_keys
-------------------
field1
(3 rows)
-- nulls
-select (test_json->'field3') is null as expect_false
-from test_jsonb
-where json_type = 'object';
+SELECT (test_json->'field3') IS NULL AS expect_false FROM test_jsonb WHERE json_type = 'object';
expect_false
--------------
f
(1 row)
-select (test_json->>'field3') is null as expect_true
-from test_jsonb
-where json_type = 'object';
+SELECT (test_json->>'field3') IS NULL AS expect_true FROM test_jsonb WHERE json_type = 'object';
expect_true
-------------
t
(1 row)
-select (test_json->3) is null as expect_false
-from test_jsonb
-where json_type = 'array';
+SELECT (test_json->3) IS NULL AS expect_false FROM test_jsonb WHERE json_type = 'array';
expect_false
--------------
f
(1 row)
-select (test_json->>3) is null as expect_true
-from test_jsonb
-where json_type = 'array';
+SELECT (test_json->>3) IS NULL AS expect_true FROM test_jsonb WHERE json_type = 'array';
expect_true
-------------
t
(1 row)
+-- equality and inequality
+SELECT '{"x":"y"}'::jsonb = '{"x":"y"}'::jsonb;
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"x":"y"}'::jsonb = '{"x":"z"}'::jsonb;
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"x":"y"}'::jsonb <> '{"x":"y"}'::jsonb;
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"x":"y"}'::jsonb <> '{"x":"z"}'::jsonb;
+ ?column?
+----------
+ t
+(1 row)
+
+-- containment
+SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}');
+ jsonb_contains
+----------------
+ t
+(1 row)
+
+SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":null}');
+ jsonb_contains
+----------------
+ t
+(1 row)
+
+SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "g":null}');
+ jsonb_contains
+----------------
+ f
+(1 row)
+
+SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"g":null}');
+ jsonb_contains
+----------------
+ f
+(1 row)
+
+SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"c"}');
+ jsonb_contains
+----------------
+ f
+(1 row)
+
+SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b"}');
+ jsonb_contains
+----------------
+ t
+(1 row)
+
+SELECT jsonb_contains('{"a":"b", "b":1, "c":null}', '{"a":"b", "c":"q"}');
+ jsonb_contains
+----------------
+ f
+(1 row)
+
+SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b"}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "c":null}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "g":null}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"g":null}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"c"}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b"}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":"b", "b":1, "c":null}'::jsonb @> '{"a":"b", "c":"q"}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT jsonb_contained('{"a":"b"}', '{"a":"b", "b":1, "c":null}');
+ jsonb_contained
+-----------------
+ t
+(1 row)
+
+SELECT jsonb_contained('{"a":"b", "c":null}', '{"a":"b", "b":1, "c":null}');
+ jsonb_contained
+-----------------
+ t
+(1 row)
+
+SELECT jsonb_contained('{"a":"b", "g":null}', '{"a":"b", "b":1, "c":null}');
+ jsonb_contained
+-----------------
+ f
+(1 row)
+
+SELECT jsonb_contained('{"g":null}', '{"a":"b", "b":1, "c":null}');
+ jsonb_contained
+-----------------
+ f
+(1 row)
+
+SELECT jsonb_contained('{"a":"c"}', '{"a":"b", "b":1, "c":null}');
+ jsonb_contained
+-----------------
+ f
+(1 row)
+
+SELECT jsonb_contained('{"a":"b"}', '{"a":"b", "b":1, "c":null}');
+ jsonb_contained
+-----------------
+ t
+(1 row)
+
+SELECT jsonb_contained('{"a":"b", "c":"q"}', '{"a":"b", "b":1, "c":null}');
+ jsonb_contained
+-----------------
+ f
+(1 row)
+
+SELECT '{"a":"b"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":"b", "c":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":"b", "g":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"g":null}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"a":"c"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"a":"b"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":"b", "c":"q"}'::jsonb <@ '{"a":"b", "b":1, "c":null}';
+ ?column?
+----------
+ f
+(1 row)
+
-- array length
SELECT jsonb_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]');
jsonb_array_length
SELECT jsonb_array_length('4');
ERROR: cannot get array length of a scalar
-- each
-select jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}');
+SELECT jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}');
jsonb_each
--------------------
(f1,"[1, 2, 3]")
(f4,null)
(3 rows)
-select * from jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
+SELECT jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
+ q
+------------------------------------------------------
+ (1,"""first""")
+ (a,"{""1"": ""first"", ""b"": ""c"", ""c"": ""b""}")
+ (b,"[1, 2]")
+ (c,"""cc""")
+ (n,null)
+(5 rows)
+
+SELECT * FROM jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
key | value
-----+-----------
f1 | [1, 2, 3]
f6 | "stringy"
(5 rows)
-select jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":"null"}');
+SELECT * FROM jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
+ key | value
+-----+------------------------------------
+ 1 | "first"
+ a | {"1": "first", "b": "c", "c": "b"}
+ b | [1, 2]
+ c | "cc"
+ n | null
+(5 rows)
+
+SELECT jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":"null"}');
jsonb_each_text
--------------------
(f1,"[1, 2, 3]")
(f5,null)
(4 rows)
-select * from jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
+SELECT jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
+ q
+------------------------------------------------------
+ (1,first)
+ (a,"{""1"": ""first"", ""b"": ""c"", ""c"": ""b""}")
+ (b,"[1, 2]")
+ (c,cc)
+ (n,)
+(5 rows)
+
+SELECT * FROM jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q;
key | value
-----+-----------
f1 | [1, 2, 3]
f6 | stringy
(5 rows)
--- extract_path, extract_path_as_text
-select jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
- jsonb_extract_path
---------------------
- "stringy"
-(1 row)
+SELECT * FROM jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q;
+ key | value
+-----+------------------------------------
+ 1 | first
+ a | {"1": "first", "b": "c", "c": "b"}
+ b | [1, 2]
+ c | cc
+ n |
+(5 rows)
-select jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
- jsonb_extract_path
---------------------
- {"f3": 1}
+-- exists
+SELECT jsonb_exists('{"a":null, "b":"qq"}', 'a');
+ jsonb_exists
+--------------
+ t
(1 row)
-select jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
- jsonb_extract_path
---------------------
- "f3"
+SELECT jsonb_exists('{"a":null, "b":"qq"}', 'b');
+ jsonb_exists
+--------------
+ t
(1 row)
-select jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
- jsonb_extract_path
---------------------
- 1
+SELECT jsonb_exists('{"a":null, "b":"qq"}', 'c');
+ jsonb_exists
+--------------
+ f
(1 row)
-select jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
- jsonb_extract_path_text
--------------------------
- stringy
+SELECT jsonb_exists('{"a":"null", "b":"qq"}', 'a');
+ jsonb_exists
+--------------
+ t
(1 row)
-select jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
- jsonb_extract_path_text
--------------------------
- {"f3": 1}
+SELECT jsonb '{"a":null, "b":"qq"}' ? 'a';
+ ?column?
+----------
+ t
(1 row)
-select jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
- jsonb_extract_path_text
--------------------------
- f3
+SELECT jsonb '{"a":null, "b":"qq"}' ? 'b';
+ ?column?
+----------
+ t
(1 row)
-select jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
- jsonb_extract_path_text
--------------------------
- 1
+SELECT jsonb '{"a":null, "b":"qq"}' ? 'c';
+ ?column?
+----------
+ f
(1 row)
--- extract_path nulls
-select jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') is null as expect_false;
- expect_false
---------------
- f
+SELECT jsonb '{"a":"null", "b":"qq"}' ? 'a';
+ ?column?
+----------
+ t
(1 row)
-select jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') is null as expect_true;
- expect_true
--------------
+SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['a','b']);
+ jsonb_exists_any
+------------------
t
(1 row)
-select jsonb_extract_path('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') is null as expect_false;
- expect_false
---------------
- f
+SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['b','a']);
+ jsonb_exists_any
+------------------
+ t
(1 row)
-select jsonb_extract_path_text('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') is null as expect_true;
- expect_true
--------------
+SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','a']);
+ jsonb_exists_any
+------------------
t
(1 row)
--- extract_path operators
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f4','f6'];
- ?column?
------------
- "stringy"
+SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','d']);
+ jsonb_exists_any
+------------------
+ f
(1 row)
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2'];
- ?column?
------------
- {"f3": 1}
+SELECT jsonb_exists_any('{"a":null, "b":"qq"}', '{}'::text[]);
+ jsonb_exists_any
+------------------
+ f
(1 row)
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','0'];
+SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['a','b'];
?column?
----------
- "f3"
+ t
(1 row)
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','1'];
+SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['b','a'];
?column?
----------
- 1
+ t
(1 row)
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f4','f6'];
+SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','a'];
?column?
----------
- stringy
-(1 row)
-
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2'];
- ?column?
------------
- {"f3": 1}
+ t
(1 row)
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','0'];
+SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','d'];
?column?
----------
- f3
+ f
(1 row)
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','1'];
+SELECT jsonb '{"a":null, "b":"qq"}' ?| '{}'::text[];
?column?
----------
- 1
+ f
(1 row)
--- same using array literals
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f4,f6}';
- ?column?
------------
- "stringy"
+SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['a','b']);
+ jsonb_exists_all
+------------------
+ t
(1 row)
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f2}';
- ?column?
------------
- {"f3": 1}
+SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['b','a']);
+ jsonb_exists_all
+------------------
+ t
(1 row)
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f2,0}';
- ?column?
-----------
- "f3"
+SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','a']);
+ jsonb_exists_all
+------------------
+ f
(1 row)
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f2,1}';
- ?column?
-----------
- 1
+SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','d']);
+ jsonb_exists_all
+------------------
+ f
+(1 row)
+
+SELECT jsonb_exists_all('{"a":null, "b":"qq"}', '{}'::text[]);
+ jsonb_exists_all
+------------------
+ t
(1 row)
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f4,f6}';
+SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','b'];
?column?
----------
- stringy
+ t
(1 row)
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f2}';
- ?column?
------------
- {"f3": 1}
+SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['b','a'];
+ ?column?
+----------
+ t
(1 row)
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f2,0}';
+SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','a'];
?column?
----------
- f3
+ f
(1 row)
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f2,1}';
+SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','d'];
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT jsonb '{"a":null, "b":"qq"}' ?& '{}'::text[];
+ ?column?
+----------
+ t
+(1 row)
+
+-- typeof
+SELECT jsonb_typeof('{}') AS object;
+ object
+--------
+ object
+(1 row)
+
+SELECT jsonb_typeof('{"c":3,"p":"o"}') AS object;
+ object
+--------
+ object
+(1 row)
+
+SELECT jsonb_typeof('[]') AS array;
+ array
+-------
+ array
+(1 row)
+
+SELECT jsonb_typeof('["a", 1]') AS array;
+ array
+-------
+ array
+(1 row)
+
+SELECT jsonb_typeof('null') AS "null";
+ null
+------
+ null
+(1 row)
+
+SELECT jsonb_typeof('1') AS number;
+ number
+--------
+ number
+(1 row)
+
+SELECT jsonb_typeof('-1') AS number;
+ number
+--------
+ number
+(1 row)
+
+SELECT jsonb_typeof('1.0') AS number;
+ number
+--------
+ number
+(1 row)
+
+SELECT jsonb_typeof('1e2') AS number;
+ number
+--------
+ number
+(1 row)
+
+SELECT jsonb_typeof('-1.0') AS number;
+ number
+--------
+ number
+(1 row)
+
+SELECT jsonb_typeof('true') AS boolean;
+ boolean
+---------
+ boolean
+(1 row)
+
+SELECT jsonb_typeof('false') AS boolean;
+ boolean
+---------
+ boolean
+(1 row)
+
+SELECT jsonb_typeof('"hello"') AS string;
+ string
+--------
+ string
+(1 row)
+
+SELECT jsonb_typeof('"true"') AS string;
+ string
+--------
+ string
+(1 row)
+
+SELECT jsonb_typeof('"1.0"') AS string;
+ string
+--------
+ string
+(1 row)
+
+-- extract_path, extract_path_as_text
+SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
+ jsonb_extract_path
+--------------------
+ "stringy"
+(1 row)
+
+SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
+ jsonb_extract_path
+--------------------
+ {"f3": 1}
+(1 row)
+
+SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
+ jsonb_extract_path
+--------------------
+ "f3"
+(1 row)
+
+SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
+ jsonb_extract_path
+--------------------
+ 1
+(1 row)
+
+SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
+ jsonb_extract_path_text
+-------------------------
+ stringy
+(1 row)
+
+SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
+ jsonb_extract_path_text
+-------------------------
+ {"f3": 1}
+(1 row)
+
+SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
+ jsonb_extract_path_text
+-------------------------
+ f3
+(1 row)
+
+SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
+ jsonb_extract_path_text
+-------------------------
+ 1
+(1 row)
+
+-- extract_path nulls
+SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_false;
+ expect_false
+--------------
+ f
+(1 row)
+
+SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_true;
+ expect_true
+-------------
+ t
+(1 row)
+
+SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_false;
+ expect_false
+--------------
+ f
+(1 row)
+
+SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_true;
+ expect_true
+-------------
+ t
+(1 row)
+
+-- extract_path operators
+SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f4','f6'];
+ ?column?
+-----------
+ "stringy"
+(1 row)
+
+SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2'];
+ ?column?
+-----------
+ {"f3": 1}
+(1 row)
+
+SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','0'];
+ ?column?
+----------
+ "f3"
+(1 row)
+
+SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','1'];
+ ?column?
+----------
+ 1
+(1 row)
+
+SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f4','f6'];
+ ?column?
+----------
+ stringy
+(1 row)
+
+SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2'];
+ ?column?
+-----------
+ {"f3": 1}
+(1 row)
+
+SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','0'];
+ ?column?
+----------
+ f3
+(1 row)
+
+SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','1'];
+ ?column?
+----------
+ 1
+(1 row)
+
+-- same using array literals
+SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f4,f6}';
+ ?column?
+-----------
+ "stringy"
+(1 row)
+
+SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f2}';
+ ?column?
+-----------
+ {"f3": 1}
+(1 row)
+
+SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f2,0}';
+ ?column?
+----------
+ "f3"
+(1 row)
+
+SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>'{f2,1}';
+ ?column?
+----------
+ 1
+(1 row)
+
+SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f4,f6}';
+ ?column?
+----------
+ stringy
+(1 row)
+
+SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f2}';
+ ?column?
+-----------
+ {"f3": 1}
+(1 row)
+
+SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f2,0}';
+ ?column?
+----------
+ f3
+(1 row)
+
+SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>'{f2,1}';
?column?
----------
1
(1 row)
+-- same on jsonb scalars (expecting errors)
+SELECT '42'::jsonb#>array['f2'];
+ERROR: cannot call extract path from a scalar
+SELECT '42'::jsonb#>array['0'];
+ERROR: cannot call extract path from a scalar
+SELECT '42'::jsonb#>>array['f2'];
+ERROR: cannot call extract path from a scalar
+SELECT '42'::jsonb#>>array['0'];
+ERROR: cannot call extract path from a scalar
-- array_elements
-select jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]');
+SELECT jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]');
jsonb_array_elements
----------------------------
1
false
(6 rows)
-select * from jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]') q;
+SELECT * FROM jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]') q;
value
----------------------------
1
false
(6 rows)
-select jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]');
+SELECT jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]');
jsonb_array_elements_text
----------------------------
1
stringy
(7 rows)
-select * from jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q;
+SELECT * FROM jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q;
value
----------------------------
1
(7 rows)
-- populate_record
-create type jbpop as (a text, b int, c timestamp);
-select * from jsonb_populate_record(null::jbpop,'{"a":"blurfl","x":43.2}') q;
+CREATE TYPE jbpop AS (a text, b int, c timestamp);
+SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q;
a | b | c
--------+---+---
blurfl | |
(1 row)
-select * from jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q;
+SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q;
a | b | c
--------+---+--------------------------
blurfl | 3 | Mon Dec 31 15:30:56 2012
(1 row)
-select * from jsonb_populate_record(null::jbpop,'{"a":"blurfl","x":43.2}', true) q;
+SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}', true) q;
a | b | c
--------+---+---
blurfl | |
(1 row)
-select * from jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}', true) q;
+SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}', true) q;
a | b | c
--------+---+--------------------------
blurfl | 3 | Mon Dec 31 15:30:56 2012
(1 row)
-select * from jsonb_populate_record(null::jbpop,'{"a":[100,200,false],"x":43.2}', true) q;
+SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":[100,200,false],"x":43.2}', true) q;
a | b | c
-------------------+---+---
[100, 200, false] | |
(1 row)
-select * from jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":[100,200,false],"x":43.2}', true) q;
+SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":[100,200,false],"x":43.2}', true) q;
a | b | c
-------------------+---+--------------------------
[100, 200, false] | 3 | Mon Dec 31 15:30:56 2012
(1 row)
-select * from jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"c":[100,200,false],"x":43.2}', true) q;
+SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"c":[100,200,false],"x":43.2}', true) q;
ERROR: invalid input syntax for type timestamp: "[100, 200, false]"
-- populate_recordset
-select * from jsonb_populate_recordset(null::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',false) q;
+SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',false) q;
a | b | c
--------+---+--------------------------
blurfl | |
| 3 | Fri Jan 20 10:42:53 2012
(2 rows)
-select * from jsonb_populate_recordset(row('def',99,null)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',false) q;
+SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',false) q;
a | b | c
--------+----+--------------------------
blurfl | 99 |
def | 3 | Fri Jan 20 10:42:53 2012
(2 rows)
-select * from jsonb_populate_recordset(null::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
+SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
a | b | c
--------+---+--------------------------
blurfl | |
| 3 | Fri Jan 20 10:42:53 2012
(2 rows)
-select * from jsonb_populate_recordset(row('def',99,null)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
+SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
a | b | c
--------+----+--------------------------
blurfl | 99 |
def | 3 | Fri Jan 20 10:42:53 2012
(2 rows)
-select * from jsonb_populate_recordset(row('def',99,null)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
+SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
a | b | c
-----------------+----+--------------------------
[100, 200, 300] | 99 |
{"z": true} | 3 | Fri Jan 20 10:42:53 2012
(2 rows)
-select * from jsonb_populate_recordset(row('def',99,null)::jbpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
+SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]',true) q;
ERROR: invalid input syntax for type timestamp: "[100, 200, 300]"
-- using the default use_json_as_text argument
-select * from jsonb_populate_recordset(null::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
+SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
a | b | c
--------+---+--------------------------
blurfl | |
| 3 | Fri Jan 20 10:42:53 2012
(2 rows)
-select * from jsonb_populate_recordset(row('def',99,null)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
+SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
a | b | c
--------+----+--------------------------
blurfl | 99 |
def | 3 | Fri Jan 20 10:42:53 2012
(2 rows)
-select * from jsonb_populate_recordset(row('def',99,null)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
+SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
ERROR: cannot populate with a nested object unless use_json_as_text is true
-select * from jsonb_populate_recordset(row('def',99,null)::jbpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
+SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
ERROR: cannot populate with a nested object unless use_json_as_text is true
-- handling of unicode surrogate pairs
-select octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) as correct_in_utf8;
+SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8;
ERROR: invalid input syntax for type json
-LINE 1: select octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc3...
+LINE 1: SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc3...
^
DETAIL: Unicode escape values cannot be used for code point values above 007F when the server encoding is not UTF8.
CONTEXT: JSON data, line 1: { "a":...
-select jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
+SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
ERROR: invalid input syntax for type json
-LINE 1: select jsonb '{ "a": "\ud83d\ud83d" }' -> 'a';
+LINE 1: SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a';
^
DETAIL: Unicode high surrogate must not follow a high surrogate.
CONTEXT: JSON data, line 1: { "a":...
-select jsonb '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
+SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
ERROR: invalid input syntax for type json
-LINE 1: select jsonb '{ "a": "\ude04\ud83d" }' -> 'a';
+LINE 1: SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a';
^
DETAIL: Unicode low surrogate must follow a high surrogate.
CONTEXT: JSON data, line 1: { "a":...
-select jsonb '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
+SELECT jsonb '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
ERROR: invalid input syntax for type json
-LINE 1: select jsonb '{ "a": "\ud83dX" }' -> 'a';
+LINE 1: SELECT jsonb '{ "a": "\ud83dX" }' -> 'a';
^
DETAIL: Unicode low surrogate must follow a high surrogate.
CONTEXT: JSON data, line 1: { "a":...
-select jsonb '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
+SELECT jsonb '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
ERROR: invalid input syntax for type json
-LINE 1: select jsonb '{ "a": "\ude04X" }' -> 'a';
+LINE 1: SELECT jsonb '{ "a": "\ude04X" }' -> 'a';
^
DETAIL: Unicode low surrogate must follow a high surrogate.
CONTEXT: JSON data, line 1: { "a":...
---handling of simple unicode escapes
-select jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
+-- handling of simple unicode escapes
+SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' AS correct_in_utf8;
ERROR: invalid input syntax for type json
-LINE 1: select jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a'...
+LINE 1: SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a'...
^
DETAIL: Unicode escape values cannot be used for code point values above 007F when the server encoding is not UTF8.
CONTEXT: JSON data, line 1: { "a":...
-select jsonb '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
+SELECT jsonb '{ "a": "dollar \u0024 character" }' ->> 'a' AS correct_everyWHERE;
correct_everywhere
--------------------
dollar $ character
(1 row)
-select jsonb '{ "a": "null \u0000 escape" }' ->> 'a' as not_unescaped;
+SELECT jsonb '{ "a": "null \u0000 escape" }' ->> 'a' AS not_unescaped;
not_unescaped
--------------------
null \u0000 escape
(1 row)
---jsonb_typeof() function
-select value, jsonb_typeof(value)
- from (values (jsonb '123.4'),
- (jsonb '-1'),
- (jsonb '"foo"'),
- (jsonb 'true'),
- (jsonb 'false'),
- (jsonb 'null'),
- (jsonb '[1, 2, 3]'),
- (jsonb '[]'),
- (jsonb '{"x":"foo", "y":123}'),
- (jsonb '{}'),
- (NULL::jsonb))
- as data(value);
- value | jsonb_typeof
-------------------------+--------------
- 123.4 | number
- -1 | number
- "foo" | string
- true | boolean
- false | boolean
- null | null
- [1, 2, 3] | array
- [] | array
- {"x": "foo", "y": 123} | object
- {} | object
- |
-(11 rows)
+-- indexing
+CREATE TABLE testjsonb (j jsonb);
+\copy testjsonb FROM 'data/jsonb.data'
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
+ count
+-------
+ 15
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j ? 'public';
+ count
+-------
+ 194
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled'];
+ count
+-------
+ 337
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled'];
+ count
+-------
+ 42
+(1 row)
+
+CREATE INDEX jidx ON testjsonb USING gist(j);
+SET enable_seqscan = off;
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
+ count
+-------
+ 15
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j ? 'public';
+ count
+-------
+ 194
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled'];
+ count
+-------
+ 337
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled'];
+ count
+-------
+ 42
+(1 row)
+
+RESET enable_seqscan;
+DROP INDEX jidx;
+CREATE INDEX jidx ON testjsonb USING gin (j);
+SET enable_seqscan = off;
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
+ count
+-------
+ 15
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j ? 'public';
+ count
+-------
+ 194
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled'];
+ count
+-------
+ 337
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled'];
+ count
+-------
+ 42
+(1 row)
+
+RESET enable_seqscan;
+SELECT count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow;
+ count
+-------
+ 4783
+(1 row)
+
+SELECT key, count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow GROUP BY key ORDER BY count DESC, key;
+ key | count
+-----------+-------
+ line | 884
+ query | 207
+ pos | 203
+ node | 202
+ space | 197
+ status | 195
+ public | 194
+ title | 190
+ wait | 190
+ org | 189
+ user | 189
+ coauthors | 188
+ disabled | 185
+ indexed | 184
+ cleaned | 180
+ bad | 179
+ date | 179
+ world | 176
+ state | 172
+ subtitle | 169
+ auth | 168
+ abstract | 161
+ age | 2
+(23 rows)
+
+-- sort/hash
+SELECT count(distinct j) FROM testjsonb;
+ count
+-------
+ 886
+(1 row)
+
+SET enable_hashagg = off;
+SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNION ALL SELECT * FROM testjsonb) js GROUP BY j) js2;
+ count
+-------
+ 886
+(1 row)
+
+SET enable_hashagg = on;
+SET enable_sort = off;
+SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNION ALL SELECT * FROM testjsonb) js GROUP BY j) js2;
+ count
+-------
+ 886
+(1 row)
+
+SELECT distinct * FROM (values (jsonb '{}' || ''),('{}')) v(j);
+ j
+----
+ {}
+(1 row)
+
+SET enable_sort = on;
+RESET enable_hashagg;
+RESET enable_sort;
+-- btree
+DROP INDEX jidx;
+CREATE INDEX jidx ON testjsonb USING btree (j);
+SET enable_seqscan = off;
+SELECT count(*) FROM testjsonb WHERE j > '{"p":1}';
+ count
+-------
+ 886
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j = '{"pos":98, "line":371, "node":"CBA", "indexed":true}';
+ count
+-------
+ 1
+(1 row)
+
+--gin hash
+DROP INDEX jidx;
+CREATE INDEX jidx ON testjsonb USING gin (j jsonb_hash_ops);
+SET enable_seqscan = off;
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
+ count
+-------
+ 15
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
+ count
+-------
+ 2
+(1 row)
+
+SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
+ count
+-------
+ 2
+(1 row)
+
+RESET enable_seqscan;
+DROP INDEX jidx;
+-- nested tests
+SELECT '{"ff":{"a":12,"b":16}}'::jsonb;
+ jsonb
+----------------------------
+ {"ff": {"a": 12, "b": 16}}
+(1 row)
+
+SELECT '{"ff":{"a":12,"b":16},"qq":123}'::jsonb;
+ jsonb
+---------------------------------------
+ {"ff": {"a": 12, "b": 16}, "qq": 123}
+(1 row)
+
+SELECT '{"aa":["a","aaa"],"qq":{"a":12,"b":16,"c":["c1","c2"],"d":{"d1":"d1","d2":"d2","d1":"d3"}}}'::jsonb;
+ jsonb
+--------------------------------------------------------------------------------------------------
+ {"aa": ["a", "aaa"], "qq": {"a": 12, "b": 16, "c": ["c1", "c2"], "d": {"d1": "d3", "d2": "d2"}}}
+(1 row)
+
+SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2"],"d":{"d1":"d1","d2":"d2"}}}'::jsonb;
+ jsonb
+------------------------------------------------------------------------------------------------------
+ {"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2"], "d": {"d1": "d1", "d2": "d2"}}}
+(1 row)
+
+SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2",["c3"],{"c4":4}],"d":{"d1":"d1","d2":"d2"}}}'::jsonb;
+ jsonb
+-------------------------------------------------------------------------------------------------------------------------
+ {"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2", ["c3"], {"c4": 4}], "d": {"d1": "d1", "d2": "d2"}}}
+(1 row)
+
+SELECT '{"ff":["a","aaa"]}'::jsonb;
+ jsonb
+----------------------
+ {"ff": ["a", "aaa"]}
+(1 row)
+
+SELECT
+ '{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'ff',
+ '{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'qq',
+ ('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'Y') IS NULL AS f,
+ ('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb ->> 'Y') IS NULL AS t,
+ '{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'x';
+ ?column? | ?column? | f | t | ?column?
+--------------------+----------+---+---+----------
+ {"a": 12, "b": 16} | 123 | f | t | [1, 2]
+(1 row)
+
+-- nested containment
+SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1,2]}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":[2,1],"c":"b"}'::jsonb @> '{"a":[1,2]}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":[1,2]}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":[1,2]}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":{"1":2}}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":{"1":2}}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '["a","b"]'::jsonb @> '["a","b","c","b"]';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '["a","b","c","b"]'::jsonb @> '["a","b"]';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '["a","b","c",[1,2]]'::jsonb @> '["a",[1,2]]';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '["a","b","c",[1,2]]'::jsonb @> '["b",[1,2]]';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1]}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[2]}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[3]}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"c":3}]}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4}]}';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},3]}';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},1]}';
+ ?column?
+----------
+ t
+(1 row)
+
+-- nested object field / array index lookup
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'n';
+ ?column?
+----------
+ null
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'a';
+ ?column?
+----------
+ 1
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'b';
+ ?column?
+----------
+ [1, 2]
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'c';
+ ?column?
+----------
+ {"1": 2}
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd';
+ ?column?
+---------------
+ {"1": [2, 3]}
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd' -> '1';
+ ?column?
+----------
+ [2, 3]
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'e';
+ ?column?
+----------
+
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 0; --expecting error
+ERROR: cannot call jsonb_array_element on an object
+SELECT '["a","b","c",[1,2],null]'::jsonb -> 0;
+ ?column?
+----------
+ "a"
+(1 row)
+
+SELECT '["a","b","c",[1,2],null]'::jsonb -> 1;
+ ?column?
+----------
+ "b"
+(1 row)
+
+SELECT '["a","b","c",[1,2],null]'::jsonb -> 2;
+ ?column?
+----------
+ "c"
+(1 row)
+
+SELECT '["a","b","c",[1,2],null]'::jsonb -> 3;
+ ?column?
+----------
+ [1, 2]
+(1 row)
+
+SELECT '["a","b","c",[1,2],null]'::jsonb -> 3 -> 1;
+ ?column?
+----------
+ 2
+(1 row)
+
+SELECT '["a","b","c",[1,2],null]'::jsonb -> 4;
+ ?column?
+----------
+ null
+(1 row)
+
+SELECT '["a","b","c",[1,2],null]'::jsonb -> 5;
+ ?column?
+----------
+
+(1 row)
+
+SELECT '["a","b","c",[1,2],null]'::jsonb -> -1;
+ ?column?
+----------
+
+(1 row)
+
+--nested path extraction
+SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{0}';
+ ?column?
+----------
+
+(1 row)
+
+SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{a}';
+ ?column?
+----------
+ "b"
+(1 row)
+
+SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c}';
+ ?column?
+-----------
+ [1, 2, 3]
+(1 row)
+
+SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,0}';
+ ?column?
+----------
+ 1
+(1 row)
+
+SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,1}';
+ ?column?
+----------
+ 2
+(1 row)
+
+SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,2}';
+ ?column?
+----------
+ 3
+(1 row)
+
+SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,3}';
+ ?column?
+----------
+
+(1 row)
+
+SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-1}';
+ ?column?
+----------
+
+(1 row)
+
+SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{0}';
+ ?column?
+----------
+ 0
+(1 row)
+
+SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{3}';
+ ?column?
+----------
+ [3, 4]
+(1 row)
+
+SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4}';
+ ?column?
+---------------
+ {"5": "five"}
+(1 row)
+
+SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4,5}';
+ ?column?
+----------
+ "five"
+(1 row)
+
+--nested exists
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'n';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'a';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'b';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'c';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'd';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'e';
+ ?column?
+----------
+ f
+(1 row)