Spracherkennung für: .out vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
-- directory paths are passed to us in environment variables
\getenv abs_srcdir PG_ABS_SRCDIR
CREATE TABLE testjsonb (
j jsonb
);
\set filename :abs_srcdir '/data/jsonb.data'
COPY testjsonb FROM :'filename';
-- Strings.
SELECT '""'::jsonb; -- OK.
jsonb
-------
""
(1 row)
SELECT $$''$$::jsonb; -- ERROR, single quotes are not allowed
ERROR: invalid input syntax for type json
LINE 1: SELECT $$''$$::jsonb;
^
DETAIL: Token "'" is invalid.
CONTEXT: JSON data, line 1: '...
SELECT '"abc"'::jsonb; -- OK
jsonb
-------
"abc"
(1 row)
SELECT '"abc'::jsonb; -- ERROR, quotes not closed
ERROR: invalid input syntax for type json
LINE 1: SELECT '"abc'::jsonb;
^
DETAIL: Token ""abc" is invalid.
CONTEXT: JSON data, line 1: "abc
SELECT '"abc
def"'::jsonb; -- ERROR, unescaped newline in string constant
ERROR: invalid input syntax for type json
LINE 1: SELECT '"abc
^
DETAIL: Character with value 0x0a must be escaped.
CONTEXT: JSON data, line 1: "abc
SELECT '"\n\"\\"'::jsonb; -- OK, legal escapes
jsonb
----------
"\n\"\\"
(1 row)
SELECT '"\v"'::jsonb; -- ERROR, not a valid JSON escape
ERROR: invalid input syntax for type json
LINE 1: SELECT '"\v"'::jsonb;
^
DETAIL: Escape sequence "\v" is invalid.
CONTEXT: JSON data, line 1: "\v...
-- see json_encoding test for input with unicode escapes
-- Numbers.
SELECT '1'::jsonb; -- OK
jsonb
-------
1
(1 row)
SELECT '0'::jsonb; -- OK
jsonb
-------
0
(1 row)
SELECT '01'::jsonb; -- ERROR, not valid according to JSON spec
ERROR: invalid input syntax for type json
LINE 1: SELECT '01'::jsonb;
^
DETAIL: Token "01" is invalid.
CONTEXT: JSON data, line 1: 01
SELECT '0.1'::jsonb; -- OK
jsonb
-------
0.1
(1 row)
SELECT '9223372036854775808'::jsonb; -- OK, even though it's too large for int8
jsonb
---------------------
9223372036854775808
(1 row)
SELECT '1e100'::jsonb; -- OK
jsonb
-------------------------------------------------------------------------------------------------------
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(1 row)
SELECT '1.3e100'::jsonb; -- OK
jsonb
-------------------------------------------------------------------------------------------------------
13000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(1 row)
SELECT '1f2'::jsonb; -- ERROR
ERROR: invalid input syntax for type json
LINE 1: SELECT '1f2'::jsonb;
^
DETAIL: Token "1f2" is invalid.
CONTEXT: JSON data, line 1: 1f2
SELECT '0.x1'::jsonb; -- ERROR
ERROR: invalid input syntax for type json
LINE 1: SELECT '0.x1'::jsonb;
^
DETAIL: Token "0.x1" is invalid.
CONTEXT: JSON data, line 1: 0.x1
SELECT '1.3ex100'::jsonb; -- ERROR
ERROR: invalid input syntax for type json
LINE 1: SELECT '1.3ex100'::jsonb;
^
DETAIL: Token "1.3ex100" is invalid.
CONTEXT: JSON data, line 1: 1.3ex100
-- Arrays.
SELECT '[]'::jsonb; -- OK
jsonb
-------
[]
(1 row)
SELECT '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'::jsonb; -- OK
jsonb
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]
(1 row)
SELECT '[1,2]'::jsonb; -- OK
jsonb
--------
[1, 2]
(1 row)
SELECT '[1,2,]'::jsonb; -- ERROR, trailing comma
ERROR: invalid input syntax for type json
LINE 1: SELECT '[1,2,]'::jsonb;
^
DETAIL: Expected JSON value, but found "]".
CONTEXT: JSON data, line 1: [1,2,]
SELECT '[1,2'::jsonb; -- ERROR, no closing bracket
ERROR: invalid input syntax for type json
LINE 1: SELECT '[1,2'::jsonb;
^
DETAIL: The input string ended unexpectedly.
CONTEXT: JSON data, line 1: [1,2
SELECT '[1,[2]'::jsonb; -- ERROR, no closing bracket
ERROR: invalid input syntax for type json
LINE 1: SELECT '[1,[2]'::jsonb;
^
DETAIL: The input string ended unexpectedly.
CONTEXT: JSON data, line 1: [1,[2]
-- Objects.
SELECT '{}'::jsonb; -- OK
jsonb
-------
{}
(1 row)
SELECT '{"abc"}'::jsonb; -- ERROR, no value
ERROR: invalid input syntax for type json
LINE 1: SELECT '{"abc"}'::jsonb;
^
DETAIL: Expected ":", but found "}".
CONTEXT: JSON data, line 1: {"abc"}
SELECT '{"abc":1}'::jsonb; -- OK
jsonb
------------
{"abc": 1}
(1 row)
SELECT '{1:"abc"}'::jsonb; -- ERROR, keys must be strings
ERROR: invalid input syntax for type json
LINE 1: SELECT '{1:"abc"}'::jsonb;
^
DETAIL: Expected string or "}", but found "1".
CONTEXT: JSON data, line 1: {1...
SELECT '{"abc",1}'::jsonb; -- ERROR, wrong separator
ERROR: invalid input syntax for type json
LINE 1: SELECT '{"abc",1}'::jsonb;
^
DETAIL: Expected ":", but found ",".
CONTEXT: JSON data, line 1: {"abc",...
SELECT '{"abc"=1}'::jsonb; -- ERROR, totally wrong separator
ERROR: invalid input syntax for type json
LINE 1: SELECT '{"abc"=1}'::jsonb;
^
DETAIL: Token "=" is invalid.
CONTEXT: JSON data, line 1: {"abc"=...
SELECT '{"abc"::1}'::jsonb; -- ERROR, another wrong separator
ERROR: invalid input syntax for type json
LINE 1: SELECT '{"abc"::1}'::jsonb;
^
DETAIL: Expected JSON value, but found ":".
CONTEXT: JSON data, line 1: {"abc"::...
SELECT '{"abc":1,"def":2,"ghi":[3,4],"hij":{"klm":5,"nop":[6]}}'::jsonb; -- OK
jsonb
--------------------------------------------------------------------
{"abc": 1, "def": 2, "ghi": [3, 4], "hij": {"klm": 5, "nop": [6]}}
(1 row)
SELECT '{"abc":1:2}'::jsonb; -- ERROR, colon in wrong spot
ERROR: invalid input syntax for type json
LINE 1: SELECT '{"abc":1:2}'::jsonb;
^
DETAIL: Expected "," or "}", but found ":".
CONTEXT: JSON data, line 1: {"abc":1:...
SELECT '{"abc":1,3}'::jsonb; -- ERROR, no value
ERROR: invalid input syntax for type json
LINE 1: SELECT '{"abc":1,3}'::jsonb;
^
DETAIL: Expected string, but found "3".
CONTEXT: JSON data, line 1: {"abc":1,3...
-- Recursion.
SET max_stack_depth = '100kB';
SELECT repeat('[', 10000)::jsonb;
ERROR: stack depth limit exceeded
HINT: Increase the configuration parameter "max_stack_depth" (currently 100kB), after ensuring the platform's stack depth limit is adequate.
SELECT repeat('{"a":', 10000)::jsonb;
ERROR: stack depth limit exceeded
HINT: Increase the configuration parameter "max_stack_depth" (currently 100kB), after ensuring the platform's stack depth limit is adequate.
RESET max_stack_depth;
-- Miscellaneous stuff.
SELECT 'true'::jsonb; -- OK
jsonb
-------
true
(1 row)
SELECT 'false'::jsonb; -- OK
jsonb
-------
false
(1 row)
SELECT 'null'::jsonb; -- OK
jsonb
-------
null
(1 row)
SELECT ' true '::jsonb; -- OK, even with extra whitespace
jsonb
-------
true
(1 row)
SELECT 'true false'::jsonb; -- ERROR, too many values
ERROR: invalid input syntax for type json
LINE 1: SELECT 'true false'::jsonb;
^
DETAIL: Expected end of input, but found "false".
CONTEXT: JSON data, line 1: true false
SELECT 'true, false'::jsonb; -- ERROR, too many values
ERROR: invalid input syntax for type json
LINE 1: SELECT 'true, false'::jsonb;
^
DETAIL: Expected end of input, but found ",".
CONTEXT: JSON data, line 1: true,...
SELECT 'truf'::jsonb; -- ERROR, not a keyword
ERROR: invalid input syntax for type json
LINE 1: SELECT 'truf'::jsonb;
^
DETAIL: Token "truf" is invalid.
CONTEXT: JSON data, line 1: truf
SELECT 'trues'::jsonb; -- ERROR, not a keyword
ERROR: invalid input syntax for type json
LINE 1: SELECT 'trues'::jsonb;
^
DETAIL: Token "trues" is invalid.
CONTEXT: JSON data, line 1: trues
SELECT ''::jsonb; -- ERROR, no value
ERROR: invalid input syntax for type json
LINE 1: SELECT ''::jsonb;
^
DETAIL: The input string ended unexpectedly.
CONTEXT: JSON data, line 1:
SELECT ' '::jsonb; -- ERROR, no value
ERROR: invalid input syntax for type json
LINE 1: SELECT ' '::jsonb;
^
DETAIL: The input string ended unexpectedly.
CONTEXT: JSON data, line 1:
-- Multi-line JSON input to check ERROR reporting
SELECT '{
"one": 1,
"two":"two",
"three":
true}'::jsonb; -- OK
jsonb
-----------------------------------------
{"one": 1, "two": "two", "three": true}
(1 row)
SELECT '{
"one": 1,
"two":,"two", -- ERROR extraneous comma before field "two"
"three":
true}'::jsonb;
ERROR: invalid input syntax for type json
LINE 1: SELECT '{
^
DETAIL: Expected JSON value, but found ",".
CONTEXT: JSON data, line 3: "two":,...
SELECT '{
"one": 1,
"two":"two",
"averyveryveryveryveryveryveryveryveryverylongfieldname":}'::jsonb;
ERROR: invalid input syntax for type json
LINE 1: SELECT '{
^
DETAIL: Expected JSON value, but found "}".
CONTEXT: JSON data, line 4: ...yveryveryveryveryveryveryveryverylongfieldname":}
-- ERROR missing value for last field
-- test non-error-throwing input
select pg_input_is_valid('{"a":true}', 'jsonb');
pg_input_is_valid
-------------------
t
(1 row)
select pg_input_is_valid('{"a":true', 'jsonb');
pg_input_is_valid
-------------------
f
(1 row)
select * from pg_input_error_info('{"a":true', 'jsonb');
message | detail | hint | sql_error_code
------------------------------------+--------------------------------------+------+----------------
invalid input syntax for type json | The input string ended unexpectedly. | | 22P02
(1 row)
select * from pg_input_error_info('{"a":1e1000000}', 'jsonb');
message | detail | hint | sql_error_code
--------------------------------+--------+------+----------------
value overflows numeric format | | | 22003
(1 row)
-- 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]}]
(1 row)
-- anyarray column
CREATE TEMP TABLE rows AS
SELECT x, 'txt' || x as y
FROM generate_series(1,3) AS x;
analyze rows;
select attname, to_jsonb(histogram_bounds) histogram_bounds
from pg_stats
where tablename = 'rows' and
schemaname = pg_my_temp_schema()::regnamespace::text
order by 1;
attname | histogram_bounds
---------+--------------------------
x | [1, 2, 3]
y | ["txt1", "txt2", "txt3"]
(2 rows)
-- to_jsonb, timestamps
select to_jsonb(timestamp '2014-05-28 12:22:35.614298');
to_jsonb
------------------------------
"2014-05-28T12:22:35.614298"
(1 row)
BEGIN;
SET LOCAL TIME ZONE 10.5;
select to_jsonb(timestamptz '2014-05-28 12:22:35.614298-04');
to_jsonb
------------------------------------
"2014-05-29T02:52:35.614298+10:30"
(1 row)
SET LOCAL TIME ZONE -8;
select to_jsonb(timestamptz '2014-05-28 12:22:35.614298-04');
to_jsonb
------------------------------------
"2014-05-28T08:22:35.614298-08:00"
(1 row)
COMMIT;
select to_jsonb(date '2014-05-28');
to_jsonb
--------------
"2014-05-28"
(1 row)
select to_jsonb(date 'Infinity');
to_jsonb
------------
"infinity"
(1 row)
select to_jsonb(date '-Infinity');
to_jsonb
-------------
"-infinity"
(1 row)
select to_jsonb(timestamp 'Infinity');
to_jsonb
------------
"infinity"
(1 row)
select to_jsonb(timestamp '-Infinity');
to_jsonb
-------------
"-infinity"
(1 row)
select to_jsonb(timestamptz 'Infinity');
to_jsonb
------------
"infinity"
(1 row)
select to_jsonb(timestamptz '-Infinity');
to_jsonb
-------------
"-infinity"
(1 row)
--jsonb_agg
SELECT jsonb_agg(q)
FROM ( SELECT $$a$$ || x AS b, y AS c,
ARRAY[ROW(x.*,ARRAY[1,2,3]),
ROW(y.*,ARRAY[4,5,6])] AS z
FROM generate_series(1,2) x,
generate_series(4,5) y) q;
jsonb_agg
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[{"b": "a1", "c": 4, "z": [{"f1": 1, "f2": [1, 2, 3]}, {"f1": 4, "f2": [4, 5, 6]}]}, {"b": "a1", "c": 5, "z": [{"f1": 1, "f2": [1, 2, 3]}, {"f1": 5, "f2": [4, 5, 6]}]}, {"b": "a2", "c": 4, "z": [{"f1": 2, "f2": [1, 2, 3]}, {"f1": 4, "f2": [4, 5, 6]}]}, {"b": "a2", "c": 5, "z": [{"f1": 2, "f2": [1, 2, 3]}, {"f1": 5, "f2": [4, 5, 6]}]}]
(1 row)
SELECT jsonb_agg(q ORDER BY x, y)
FROM rows q;
jsonb_agg
-----------------------------------------------------------------------
[{"x": 1, "y": "txt1"}, {"x": 2, "y": "txt2"}, {"x": 3, "y": "txt3"}]
(1 row)
UPDATE rows SET x = NULL WHERE x = 1;
SELECT jsonb_agg(q ORDER BY x NULLS FIRST, y)
FROM rows q;
jsonb_agg
--------------------------------------------------------------------------
[{"x": null, "y": "txt1"}, {"x": 2, "y": "txt2"}, {"x": 3, "y": "txt3"}]
(1 row)
-- jsonb extraction functions
CREATE TEMP TABLE test_jsonb (
json_type text,
test_json jsonb
);
INSERT INTO test_jsonb VALUES
('scalar','"a scalar"'),
('array','["zero", "one","two",null,"four","five", [1,2,3],{"f1":9}]'),
('object','{"field1":"val1","field2":"val2","field3":null, "field4": 4, "field5": [1,2,3], "field6": {"f1":9}}');
SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'scalar';
?column?
----------
(1 row)
SELECT test_json -> 'x' FROM test_jsonb WHERE json_type = 'array';
?column?
----------
(1 row)
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';
?column?
----------
"val2"
(1 row)
SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'scalar';
?column?
----------
(1 row)
SELECT test_json ->> 'field2' FROM test_jsonb WHERE json_type = 'array';
?column?
----------
(1 row)
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';
?column?
----------
(1 row)
SELECT test_json -> 2 FROM test_jsonb WHERE json_type = 'array';
?column?
----------
"two"
(1 row)
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';
?column?
----------
(1 row)
SELECT test_json ->> 6 FROM test_jsonb WHERE json_type = 'array';
?column?
-----------
[1, 2, 3]
(1 row)
SELECT test_json ->> 7 FROM test_jsonb WHERE json_type = 'array';
?column?
-----------
{"f1": 9}
(1 row)
SELECT test_json ->> 'field4' FROM test_jsonb WHERE json_type = 'object';
?column?
----------
4
(1 row)
SELECT test_json ->> 'field5' FROM test_jsonb WHERE json_type = 'object';
?column?
-----------
[1, 2, 3]
(1 row)
SELECT test_json ->> 'field6' FROM test_jsonb WHERE json_type = 'object';
?column?
-----------
{"f1": 9}
(1 row)
SELECT test_json ->> 2 FROM test_jsonb WHERE json_type = 'scalar';
?column?
----------
(1 row)
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';
?column?
----------
(1 row)
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';
ERROR: cannot call jsonb_object_keys on an array
SELECT jsonb_object_keys(test_json) FROM test_jsonb WHERE json_type = 'object';
jsonb_object_keys
-------------------
field1
field2
field3
field4
field5
field6
(6 rows)
-- nulls
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';
expect_true
-------------
t
(1 row)
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';
expect_true
-------------
t
(1 row)
-- corner cases
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> null::text;
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> null::int;
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> 1;
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> 'z';
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb -> '';
?column?
----------
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 1;
?column?
-------------
{"b": "cc"}
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 3;
?column?
----------
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb -> 'z';
?column?
----------
(1 row)
select '{"a": "c", "b": null}'::jsonb -> 'b';
?column?
----------
null
(1 row)
select '"foo"'::jsonb -> 1;
?column?
----------
(1 row)
select '"foo"'::jsonb -> 'z';
?column?
----------
(1 row)
select '[]'::jsonb -> -2147483648;
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> null::text;
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> null::int;
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> 1;
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> 'z';
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb ->> '';
?column?
----------
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 1;
?column?
-------------
{"b": "cc"}
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 3;
?column?
----------
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb ->> 'z';
?column?
----------
(1 row)
select '{"a": "c", "b": null}'::jsonb ->> 'b';
?column?
----------
(1 row)
select '"foo"'::jsonb ->> 1;
?column?
----------
(1 row)
select '"foo"'::jsonb ->> 'z';
?column?
----------
(1 row)
select '[]'::jsonb ->> -2147483648;
?column?
----------
(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 '[1,2]'::jsonb @> '[1,2,2]'::jsonb;
?column?
----------
t
(1 row)
SELECT '[1,1,2]'::jsonb @> '[1,2,2]'::jsonb;
?column?
----------
t
(1 row)
SELECT '[[1,2]]'::jsonb @> '[[1,2,2]]'::jsonb;
?column?
----------
t
(1 row)
SELECT '[1,2,2]'::jsonb <@ '[1,2]'::jsonb;
?column?
----------
t
(1 row)
SELECT '[1,2,2]'::jsonb <@ '[1,1,2]'::jsonb;
?column?
----------
t
(1 row)
SELECT '[[1,2,2]]'::jsonb <@ '[[1,2]]'::jsonb;
?column?
----------
t
(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)
-- Raw scalar may contain another raw scalar, array may contain a raw scalar
SELECT '[5]'::jsonb @> '[5]';
?column?
----------
t
(1 row)
SELECT '5'::jsonb @> '5';
?column?
----------
t
(1 row)
SELECT '[5]'::jsonb @> '5';
?column?
----------
t
(1 row)
-- But a raw scalar cannot contain an array
SELECT '5'::jsonb @> '[5]';
?column?
----------
f
(1 row)
-- In general, one thing should always contain itself. Test array containment:
SELECT '["9", ["7", "3"], 1]'::jsonb @> '["9", ["7", "3"], 1]'::jsonb;
?column?
----------
t
(1 row)
SELECT '["9", ["7", "3"], ["1"]]'::jsonb @> '["9", ["7", "3"], ["1"]]'::jsonb;
?column?
----------
t
(1 row)
-- array containment string matching confusion bug
SELECT '{ "name": "Bob", "tags": [ "enim", "qui"]}'::jsonb @> '{"tags":["qu"]}';
?column?
----------
f
(1 row)
-- array length
SELECT jsonb_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]');
jsonb_array_length
--------------------
5
(1 row)
SELECT jsonb_array_length('[]');
jsonb_array_length
--------------------
0
(1 row)
SELECT jsonb_array_length('{"f1":1,"f2":[5,6]}');
ERROR: cannot get array length of a non-array
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}');
jsonb_each
--------------------
(f1,"[1, 2, 3]")
(f2,"{""f3"": 1}")
(f4,null)
(3 rows)
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]
f2 | {"f3": 1}
f4 | null
f5 | 99
f6 | "stringy"
(5 rows)
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]")
(f2,"{""f3"": 1}")
(f4,)
(f5,null)
(4 rows)
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]
f2 | {"f3": 1}
f4 |
f5 | 99
f6 | stringy
(5 rows)
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)
-- exists
SELECT jsonb_exists('{"a":null, "b":"qq"}', 'a');
jsonb_exists
--------------
t
(1 row)
SELECT jsonb_exists('{"a":null, "b":"qq"}', 'b');
jsonb_exists
--------------
t
(1 row)
SELECT jsonb_exists('{"a":null, "b":"qq"}', 'c');
jsonb_exists
--------------
f
(1 row)
SELECT jsonb_exists('{"a":"null", "b":"qq"}', 'a');
jsonb_exists
--------------
t
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ? 'a';
?column?
----------
t
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ? 'b';
?column?
----------
t
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ? 'c';
?column?
----------
f
(1 row)
SELECT jsonb '{"a":"null", "b":"qq"}' ? 'a';
?column?
----------
t
(1 row)
-- array exists - array elements should behave as keys
SELECT count(*) from testjsonb WHERE j->'array' ? 'bar';
count
-------
3
(1 row)
-- type sensitive array exists - should return no rows (since "exists" only
-- matches strings that are either object keys or array elements)
SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text;
count
-------
0
(1 row)
-- However, a raw scalar is *contained* within the array
SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb;
count
-------
1
(1 row)
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['a','b']);
jsonb_exists_any
------------------
t
(1 row)
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['b','a']);
jsonb_exists_any
------------------
t
(1 row)
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','a']);
jsonb_exists_any
------------------
t
(1 row)
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','d']);
jsonb_exists_any
------------------
f
(1 row)
SELECT jsonb_exists_any('{"a":null, "b":"qq"}', '{}'::text[]);
jsonb_exists_any
------------------
f
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['a','b'];
?column?
----------
t
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['b','a'];
?column?
----------
t
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','a'];
?column?
----------
t
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','d'];
?column?
----------
f
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ?| '{}'::text[];
?column?
----------
f
(1 row)
SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['a','b']);
jsonb_exists_all
------------------
t
(1 row)
SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['b','a']);
jsonb_exists_all
------------------
t
(1 row)
SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','a']);
jsonb_exists_all
------------------
f
(1 row)
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 jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','b'];
?column?
----------
t
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['b','a'];
?column?
----------
t
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','a'];
?column?
----------
f
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','d'];
?column?
----------
f
(1 row)
SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','a', 'b', 'b', 'b'];
?column?
----------
t
(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)
-- jsonb_build_array, jsonb_build_object, jsonb_object_agg
SELECT jsonb_build_array('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}');
jsonb_build_array
-------------------------------------------------------------------------
["a", 1, "b", 1.2, "c", true, "d", null, "e", {"x": 3, "y": [1, 2, 3]}]
(1 row)
SELECT jsonb_build_array('a', NULL); -- ok
jsonb_build_array
-------------------
["a", null]
(1 row)
SELECT jsonb_build_array(VARIADIC NULL::text[]); -- ok
jsonb_build_array
-------------------
(1 row)
SELECT jsonb_build_array(VARIADIC '{}'::text[]); -- ok
jsonb_build_array
-------------------
[]
(1 row)
SELECT jsonb_build_array(VARIADIC '{a,b,c}'::text[]); -- ok
jsonb_build_array
-------------------
["a", "b", "c"]
(1 row)
SELECT jsonb_build_array(VARIADIC ARRAY['a', NULL]::text[]); -- ok
jsonb_build_array
-------------------
["a", null]
(1 row)
SELECT jsonb_build_array(VARIADIC '{1,2,3,4}'::text[]); -- ok
jsonb_build_array
----------------------
["1", "2", "3", "4"]
(1 row)
SELECT jsonb_build_array(VARIADIC '{1,2,3,4}'::int[]); -- ok
jsonb_build_array
-------------------
[1, 2, 3, 4]
(1 row)
SELECT jsonb_build_array(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok
jsonb_build_array
--------------------
[1, 4, 2, 5, 3, 6]
(1 row)
SELECT jsonb_build_object('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}');
jsonb_build_object
-------------------------------------------------------------------------
{"a": 1, "b": 1.2, "c": true, "d": null, "e": {"x": 3, "y": [1, 2, 3]}}
(1 row)
SELECT jsonb_build_object(
'a', jsonb_build_object('b',false,'c',99),
'd', jsonb_build_object('e',array[9,8,7]::int[],
'f', (select row_to_json(r) from ( select relkind, oid::regclass as name from pg_class where relname = 'pg_class') r)));
jsonb_build_object
------------------------------------------------------------------------------------------------
{"a": {"b": false, "c": 99}, "d": {"e": [9, 8, 7], "f": {"name": "pg_class", "relkind": "r"}}}
(1 row)
SELECT jsonb_build_object('{a,b,c}'::text[]); -- error
ERROR: argument list must have even number of elements
HINT: The arguments of jsonb_build_object() must consist of alternating keys and values.
SELECT jsonb_build_object('{a,b,c}'::text[], '{d,e,f}'::text[]); -- error, key cannot be array
ERROR: key value must be scalar, not array, composite, or json
SELECT jsonb_build_object('a', 'b', 'c'); -- error
ERROR: argument list must have even number of elements
HINT: The arguments of jsonb_build_object() must consist of alternating keys and values.
SELECT jsonb_build_object(NULL, 'a'); -- error, key cannot be NULL
ERROR: argument 1: key must not be null
SELECT jsonb_build_object('a', NULL); -- ok
jsonb_build_object
--------------------
{"a": null}
(1 row)
SELECT jsonb_build_object(VARIADIC NULL::text[]); -- ok
jsonb_build_object
--------------------
(1 row)
SELECT jsonb_build_object(VARIADIC '{}'::text[]); -- ok
jsonb_build_object
--------------------
{}
(1 row)
SELECT jsonb_build_object(VARIADIC '{a,b,c}'::text[]); -- error
ERROR: argument list must have even number of elements
HINT: The arguments of jsonb_build_object() must consist of alternating keys and values.
SELECT jsonb_build_object(VARIADIC ARRAY['a', NULL]::text[]); -- ok
jsonb_build_object
--------------------
{"a": null}
(1 row)
SELECT jsonb_build_object(VARIADIC ARRAY[NULL, 'a']::text[]); -- error, key cannot be NULL
ERROR: argument 1: key must not be null
SELECT jsonb_build_object(VARIADIC '{1,2,3,4}'::text[]); -- ok
jsonb_build_object
----------------------
{"1": "2", "3": "4"}
(1 row)
SELECT jsonb_build_object(VARIADIC '{1,2,3,4}'::int[]); -- ok
jsonb_build_object
--------------------
{"1": 2, "3": 4}
(1 row)
SELECT jsonb_build_object(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok
jsonb_build_object
--------------------------
{"1": 4, "2": 5, "3": 6}
(1 row)
-- empty objects/arrays
SELECT jsonb_build_array();
jsonb_build_array
-------------------
[]
(1 row)
SELECT jsonb_build_object();
jsonb_build_object
--------------------
{}
(1 row)
-- make sure keys are quoted
SELECT jsonb_build_object(1,2);
jsonb_build_object
--------------------
{"1": 2}
(1 row)
-- keys must be scalar and not null
SELECT jsonb_build_object(null,2);
ERROR: argument 1: key must not be null
SELECT jsonb_build_object(r,2) FROM (SELECT 1 AS a, 2 AS b) r;
ERROR: key value must be scalar, not array, composite, or json
SELECT jsonb_build_object(json '{"a":1,"b":2}', 3);
ERROR: key value must be scalar, not array, composite, or json
SELECT jsonb_build_object('{1,2,3}'::int[], 3);
ERROR: key value must be scalar, not array, composite, or json
-- handling of NULL values
SELECT jsonb_object_agg(1, NULL::jsonb);
jsonb_object_agg
------------------
{"1": null}
(1 row)
SELECT jsonb_object_agg(NULL, '{"a":1}');
ERROR: field name must not be null
CREATE TEMP TABLE foo (serial_num int, name text, type text);
INSERT INTO foo VALUES (847001,'t15','GE1043');
INSERT INTO foo VALUES (847002,'t16','GE1043');
INSERT INTO foo VALUES (847003,'sub-alpha','GESS90');
SELECT jsonb_build_object('turbines',jsonb_object_agg(serial_num,jsonb_build_object('name',name,'type',type)))
FROM foo;
jsonb_build_object
-------------------------------------------------------------------------------------------------------------------------------------------------------------
{"turbines": {"847001": {"name": "t15", "type": "GE1043"}, "847002": {"name": "t16", "type": "GE1043"}, "847003": {"name": "sub-alpha", "type": "GESS90"}}}
(1 row)
SELECT jsonb_object_agg(name, type) FROM foo;
jsonb_object_agg
-----------------------------------------------------------
{"t15": "GE1043", "t16": "GE1043", "sub-alpha": "GESS90"}
(1 row)
INSERT INTO foo VALUES (999999, NULL, 'bar');
SELECT jsonb_object_agg(name, type) FROM foo;
ERROR: field name must not be null
-- edge case for parser
SELECT jsonb_object_agg(DISTINCT 'a', 'abc');
jsonb_object_agg
------------------
{"a": "abc"}
(1 row)
-- jsonb_object
-- empty object, one dimension
SELECT jsonb_object('{}');
jsonb_object
--------------
{}
(1 row)
-- empty object, two dimensions
SELECT jsonb_object('{}', '{}');
jsonb_object
--------------
{}
(1 row)
-- one dimension
SELECT jsonb_object('{a,1,b,2,3,NULL,"d e f","a b c"}');
jsonb_object
---------------------------------------------------
{"3": null, "a": "1", "b": "2", "d e f": "a b c"}
(1 row)
-- same but with two dimensions
SELECT jsonb_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}');
jsonb_object
---------------------------------------------------
{"3": null, "a": "1", "b": "2", "d e f": "a b c"}
(1 row)
-- odd number error
SELECT jsonb_object('{a,b,c}');
ERROR: array must have even number of elements
-- one column error
SELECT jsonb_object('{{a},{b}}');
ERROR: array must have two columns
-- too many columns error
SELECT jsonb_object('{{a,b,c},{b,c,d}}');
ERROR: array must have two columns
-- too many dimensions error
SELECT jsonb_object('{{{a,b},{c,d}},{{b,c},{d,e}}}');
ERROR: wrong number of array subscripts
--two argument form of jsonb_object
select jsonb_object('{a,b,c,"d e f"}','{1,2,3,"a b c"}');
jsonb_object
--------------------------------------------------
{"a": "1", "b": "2", "c": "3", "d e f": "a b c"}
(1 row)
-- too many dimensions
SELECT jsonb_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}', '{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}');
ERROR: wrong number of array subscripts
-- mismatched dimensions
select jsonb_object('{a,b,c,"d e f",g}','{1,2,3,"a b c"}');
ERROR: mismatched array dimensions
select jsonb_object('{a,b,c,"d e f"}','{1,2,3,"a b c",g}');
ERROR: mismatched array dimensions
-- null key error
select jsonb_object('{a,b,NULL,"d e f"}','{1,2,3,"a b c"}');
ERROR: null value not allowed for object key
-- empty key is allowed
select jsonb_object('{a,b,"","d e f"}','{1,2,3,"a b c"}');
jsonb_object
-------------------------------------------------
{"": "3", "a": "1", "b": "2", "d e f": "a b c"}
(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)
-- corner cases for same
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> '{}';
?column?
----------------------------
{"a": {"b": {"c": "foo"}}}
(1 row)
select '[1,2,3]'::jsonb #> '{}';
?column?
-----------
[1, 2, 3]
(1 row)
select '"foo"'::jsonb #> '{}';
?column?
----------
"foo"
(1 row)
select '42'::jsonb #> '{}';
?column?
----------
42
(1 row)
select 'null'::jsonb #> '{}';
?column?
----------
null
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a'];
?column?
---------------------
{"b": {"c": "foo"}}
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', null];
?column?
----------
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', ''];
?column?
----------
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b'];
?column?
--------------
{"c": "foo"}
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c'];
?column?
----------
"foo"
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c','d'];
?column?
----------
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','z','c'];
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','1','b'];
?column?
----------
"cc"
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','z','b'];
?column?
----------
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['1','b'];
?column?
----------
"cc"
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['z','b'];
?column?
----------
(1 row)
select '[{"b": "c"}, {"b": null}]'::jsonb #> array['1','b'];
?column?
----------
null
(1 row)
select '"foo"'::jsonb #> array['z'];
?column?
----------
(1 row)
select '42'::jsonb #> array['f2'];
?column?
----------
(1 row)
select '42'::jsonb #> array['0'];
?column?
----------
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> '{}';
?column?
----------------------------
{"a": {"b": {"c": "foo"}}}
(1 row)
select '[1,2,3]'::jsonb #>> '{}';
?column?
-----------
[1, 2, 3]
(1 row)
select '"foo"'::jsonb #>> '{}';
?column?
----------
foo
(1 row)
select '42'::jsonb #>> '{}';
?column?
----------
42
(1 row)
select 'null'::jsonb #>> '{}';
?column?
----------
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a'];
?column?
---------------------
{"b": {"c": "foo"}}
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', null];
?column?
----------
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', ''];
?column?
----------
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b'];
?column?
--------------
{"c": "foo"}
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c'];
?column?
----------
foo
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c','d'];
?column?
----------
(1 row)
select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','z','c'];
?column?
----------
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','1','b'];
?column?
----------
cc
(1 row)
select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','z','b'];
?column?
----------
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['1','b'];
?column?
----------
cc
(1 row)
select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['z','b'];
?column?
----------
(1 row)
select '[{"b": "c"}, {"b": null}]'::jsonb #>> array['1','b'];
?column?
----------
(1 row)
select '"foo"'::jsonb #>> array['z'];
?column?
----------
(1 row)
select '42'::jsonb #>> array['f2'];
?column?
----------
(1 row)
select '42'::jsonb #>> array['0'];
?column?
----------
(1 row)
-- array_elements
SELECT jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]');
jsonb_array_elements
----------------------------
1
true
[1, [2, 3]]
null
{"f1": 1, "f2": [7, 8, 9]}
false
(6 rows)
SELECT * FROM jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]') q;
value
----------------------------
1
true
[1, [2, 3]]
null
{"f1": 1, "f2": [7, 8, 9]}
false
(6 rows)
SELECT jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]');
jsonb_array_elements_text
----------------------------
1
true
[1, [2, 3]]
{"f1": 1, "f2": [7, 8, 9]}
false
stringy
(7 rows)
SELECT * FROM jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q;
value
----------------------------
1
true
[1, [2, 3]]
{"f1": 1, "f2": [7, 8, 9]}
false
stringy
(7 rows)
-- populate_record
CREATE TYPE jbpop AS (a text, b int, c timestamp);
CREATE DOMAIN jsb_int_not_null AS int NOT NULL;
CREATE DOMAIN jsb_int_array_1d AS int[] CHECK(array_length(VALUE, 1) = 3);
CREATE DOMAIN jsb_int_array_2d AS int[][] CHECK(array_length(VALUE, 2) = 3);
create type jb_unordered_pair as (x int, y int);
create domain jb_ordered_pair as jb_unordered_pair check((value).x <= (value).y);
CREATE TYPE jsbrec AS (
i int,
ia _int4,
ia1 int[],
ia2 int[][],
ia3 int[][][],
ia1d jsb_int_array_1d,
ia2d jsb_int_array_2d,
t text,
ta text[],
c char(10),
ca char(10)[],
ts timestamp,
js json,
jsb jsonb,
jsa json[],
rec jbpop,
reca jbpop[]
);
CREATE TYPE jsbrec_i_not_null AS (
i jsb_int_not_null
);
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;
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}') 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;
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}') 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}') 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}') q;
ERROR: invalid input syntax for type timestamp: "[100, 200, false]"
SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop, '{}') q;
a | b | c
---+---+--------------------------
x | 3 | Mon Dec 31 15:30:56 2012
(1 row)
SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"x": 43.2}') q;
ERROR: domain jsb_int_not_null does not allow null values
SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"i": null}') q;
ERROR: domain jsb_int_not_null does not allow null values
SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"i": 12345}') q;
i
-------
12345
(1 row)
SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": null}') q;
ia
----
(1 row)
SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": 123}') q;
ERROR: expected JSON array
HINT: See the value of key "ia".
SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [1, "2", null, 4]}') q;
ia
--------------
{1,2,NULL,4}
(1 row)
SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1, 2], [3, 4]]}') q;
ia
---------------
{{1,2},{3,4}}
(1 row)
SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1], 2]}') q;
ERROR: expected JSON array
HINT: See the array element [1] of key "ia".
SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1], [2, 3]]}') q;
ERROR: malformed JSON array
DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions.
SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": "{1,2,3}"}') q;
ia
---------
{1,2,3}
(1 row)
SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": null}') q;
ia1
-----
(1 row)
SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": 123}') q;
ERROR: expected JSON array
HINT: See the value of key "ia1".
SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": [1, "2", null, 4]}') q;
ia1
--------------
{1,2,NULL,4}
(1 row)
SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": [[1, 2, 3]]}') q;
ia1
-----------
{{1,2,3}}
(1 row)
SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": null}') q;
ia1d
------
(1 row)
SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": 123}') q;
ERROR: expected JSON array
HINT: See the value of key "ia1d".
SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": [1, "2", null, 4]}') q;
ERROR: value for domain jsb_int_array_1d violates check constraint "jsb_int_array_1d_check"
SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": [1, "2", null]}') q;
ia1d
------------
{1,2,NULL}
(1 row)
SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [1, "2", null, 4]}') q;
ia2
--------------
{1,2,NULL,4}
(1 row)
SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], [null, 4]]}') q;
ia2
------------------
{{1,2},{NULL,4}}
(1 row)
SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[], []]}') q;
ia2
-----
{}
(1 row)
SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], [3]]}') q;
ERROR: malformed JSON array
DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions.
SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], 3, 4]}') q;
ERROR: expected JSON array
HINT: See the array element [1] of key "ia2".
SELECT ia2d FROM jsonb_populate_record(NULL::jsbrec, '{"ia2d": [[1, "2"], [null, 4]]}') q;
ERROR: value for domain jsb_int_array_2d violates check constraint "jsb_int_array_2d_check"
SELECT ia2d FROM jsonb_populate_record(NULL::jsbrec, '{"ia2d": [[1, "2", 3], [null, 5, 6]]}') q;
ia2d
----------------------
{{1,2,3},{NULL,5,6}}
(1 row)
SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [1, "2", null, 4]}') q;
ia3
--------------
{1,2,NULL,4}
(1 row)
SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [[1, 2], [null, 4]]}') q;
ia3
------------------
{{1,2},{NULL,4}}
(1 row)
SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[], []], [[], []], [[], []] ]}') q;
ia3
-----
{}
(1 row)
SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[1, 2]], [[3, 4]] ]}') q;
ia3
-------------------
{{{1,2}},{{3,4}}}
(1 row)
SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[1, 2], [3, 4]], [[5, 6], [7, 8]] ]}') q;
ia3
-------------------------------
{{{1,2},{3,4}},{{5,6},{7,8}}}
(1 row)
SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[1, 2], [3, 4]], [[5, 6], [7, 8], [9, 10]] ]}') q;
ERROR: malformed JSON array
DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions.
SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": null}') q;
ta
----
(1 row)
SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": 123}') q;
ERROR: expected JSON array
HINT: See the value of key "ta".
SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": [1, "2", null, 4]}') q;
ta
--------------
{1,2,NULL,4}
(1 row)
SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": [[1, 2, 3], {"k": "v"}]}') q;
ERROR: expected JSON array
HINT: See the array element [1] of key "ta".
SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": null}') q;
c
---
(1 row)
SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaa"}') q;
c
------------
aaa
(1 row)
SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaaaaaaaaa"}') q;
c
------------
aaaaaaaaaa
(1 row)
SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaaaaaaaaaaaa"}') q;
ERROR: value too long for type character(10)
SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": null}') q;
ca
----
(1 row)
SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": 123}') q;
ERROR: expected JSON array
HINT: See the value of key "ca".
SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": [1, "2", null, 4]}') q;
ca
-----------------------------------------------
{"1 ","2 ",NULL,"4 "}
(1 row)
SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": ["aaaaaaaaaaaaaaaa"]}') q;
ERROR: value too long for type character(10)
SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": [[1, 2, 3], {"k": "v"}]}') q;
ERROR: expected JSON array
HINT: See the array element [1] of key "ca".
SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": null}') q;
js
----
(1 row)
SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": true}') q;
js
------
true
(1 row)
SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": 123.45}') q;
js
--------
123.45
(1 row)
SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": "123.45"}') q;
js
----------
"123.45"
(1 row)
SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": "abc"}') q;
js
-------
"abc"
(1 row)
SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": [123, "123", null, {"key": "value"}]}') q;
js
--------------------------------------
[123, "123", null, {"key": "value"}]
(1 row)
SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": {"a": "bbb", "b": null, "c": 123.45}}') q;
js
--------------------------------------
{"a": "bbb", "b": null, "c": 123.45}
(1 row)
SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": null}') q;
jsb
-----
(1 row)
SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": true}') q;
jsb
------
true
(1 row)
SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": 123.45}') q;
jsb
--------
123.45
(1 row)
SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": "123.45"}') q;
jsb
----------
"123.45"
(1 row)
SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": "abc"}') q;
jsb
-------
"abc"
(1 row)
SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": [123, "123", null, {"key": "value"}]}') q;
jsb
--------------------------------------
[123, "123", null, {"key": "value"}]
(1 row)
SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": {"a": "bbb", "b": null, "c": 123.45}}') q;
jsb
--------------------------------------
{"a": "bbb", "b": null, "c": 123.45}
(1 row)
SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": null}') q;
jsa
-----
(1 row)
SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": 123}') q;
ERROR: expected JSON array
HINT: See the value of key "jsa".
SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": [1, "2", null, 4]}') q;
jsa
--------------------
{1,"\"2\"",NULL,4}
(1 row)
SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": ["aaa", null, [1, 2, "3", {}], { "k" : "v" }]}') q;
jsa
-------------------------------------------------------
{"\"aaa\"",NULL,"[1, 2, \"3\", {}]","{\"k\": \"v\"}"}
(1 row)
SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": 123}') q;
ERROR: cannot call populate_composite on a scalar
SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": [1, 2]}') q;
ERROR: cannot call populate_composite on an array
SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}}') q;
rec
-----------------------------------
(abc,,"Thu Jan 02 00:00:00 2003")
(1 row)
SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": "(abc,42,01.02.2003)"}') q;
rec
-------------------------------------
(abc,42,"Thu Jan 02 00:00:00 2003")
(1 row)
SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": 123}') q;
ERROR: expected JSON array
HINT: See the value of key "reca".
SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": [1, 2]}') q;
ERROR: cannot call populate_composite on a scalar
SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": [{"a": "abc", "b": 456}, null, {"c": "01.02.2003", "x": 43.2}]}') q;
reca
--------------------------------------------------------
{"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"}
(1 row)
SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": ["(abc,42,01.02.2003)"]}') q;
reca
-------------------------------------------
{"(abc,42,\"Thu Jan 02 00:00:00 2003\")"}
(1 row)
SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": "{\"(abc,42,01.02.2003)\"}"}') q;
reca
-------------------------------------------
{"(abc,42,\"Thu Jan 02 00:00:00 2003\")"}
(1 row)
SELECT rec FROM jsonb_populate_record(
row(NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
row('x',3,'2012-12-31 15:30:56')::jbpop,NULL)::jsbrec,
'{"rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}}'
) q;
rec
------------------------------------
(abc,3,"Thu Jan 02 00:00:00 2003")
(1 row)
-- Tests to check soft-error support for populate_record_field()
-- populate_scalar()
create type jsb_char2 as (a char(2));
select jsonb_populate_record_valid(NULL::jsb_char2, '{"a": "aaa"}');
jsonb_populate_record_valid
-----------------------------
f
(1 row)
select * from jsonb_populate_record(NULL::jsb_char2, '{"a": "aaa"}') q;
ERROR: value too long for type character(2)
select jsonb_populate_record_valid(NULL::jsb_char2, '{"a": "aa"}');
jsonb_populate_record_valid
-----------------------------
t
(1 row)
select * from jsonb_populate_record(NULL::jsb_char2, '{"a": "aa"}') q;
a
----
aa
(1 row)
-- populate_array()
create type jsb_ia as (a int[]);
create type jsb_ia2 as (a int[][]);
select jsonb_populate_record_valid(NULL::jsb_ia, '{"a": 43.2}');
jsonb_populate_record_valid
-----------------------------
f
(1 row)
select * from jsonb_populate_record(NULL::jsb_ia, '{"a": 43.2}') q;
ERROR: expected JSON array
HINT: See the value of key "a".
select jsonb_populate_record_valid(NULL::jsb_ia, '{"a": [1, 2]}');
jsonb_populate_record_valid
-----------------------------
t
(1 row)
select * from jsonb_populate_record(NULL::jsb_ia, '{"a": [1, 2]}') q;
a
-------
{1,2}
(1 row)
select jsonb_populate_record_valid(NULL::jsb_ia2, '{"a": [[1], [2, 3]]}');
jsonb_populate_record_valid
-----------------------------
f
(1 row)
select * from jsonb_populate_record(NULL::jsb_ia2, '{"a": [[1], [2, 3]]}') q;
ERROR: malformed JSON array
DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions.
select jsonb_populate_record_valid(NULL::jsb_ia2, '{"a": [[1, 0], [2, 3]]}');
jsonb_populate_record_valid
-----------------------------
t
(1 row)
select * from jsonb_populate_record(NULL::jsb_ia2, '{"a": [[1, 0], [2, 3]]}') q;
a
---------------
{{1,0},{2,3}}
(1 row)
-- populate_domain()
create domain jsb_i_not_null as int not null;
create domain jsb_i_gt_1 as int check (value > 1);
create type jsb_i_not_null_rec as (a jsb_i_not_null);
create type jsb_i_gt_1_rec as (a jsb_i_gt_1);
select jsonb_populate_record_valid(NULL::jsb_i_not_null_rec, '{"a": null}');
jsonb_populate_record_valid
-----------------------------
f
(1 row)
select * from jsonb_populate_record(NULL::jsb_i_not_null_rec, '{"a": null}') q;
ERROR: domain jsb_i_not_null does not allow null values
select jsonb_populate_record_valid(NULL::jsb_i_not_null_rec, '{"a": 1}');
jsonb_populate_record_valid
-----------------------------
t
(1 row)
select * from jsonb_populate_record(NULL::jsb_i_not_null_rec, '{"a": 1}') q;
a
---
1
(1 row)
select jsonb_populate_record_valid(NULL::jsb_i_gt_1_rec, '{"a": 1}');
jsonb_populate_record_valid
-----------------------------
f
(1 row)
select * from jsonb_populate_record(NULL::jsb_i_gt_1_rec, '{"a": 1}') q;
ERROR: value for domain jsb_i_gt_1 violates check constraint "jsb_i_gt_1_check"
select jsonb_populate_record_valid(NULL::jsb_i_gt_1_rec, '{"a": 2}');
jsonb_populate_record_valid
-----------------------------
t
(1 row)
select * from jsonb_populate_record(NULL::jsb_i_gt_1_rec, '{"a": 2}') q;
a
---
2
(1 row)
drop type jsb_ia, jsb_ia2, jsb_char2, jsb_i_not_null_rec, jsb_i_gt_1_rec;
drop domain jsb_i_not_null, jsb_i_gt_1;
-- anonymous record type
SELECT jsonb_populate_record(null::record, '{"x": 0, "y": 1}');
ERROR: could not determine row type for result of jsonb_populate_record
HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list.
SELECT jsonb_populate_record(row(1,2), '{"f1": 0, "f2": 1}');
jsonb_populate_record
-----------------------
(0,1)
(1 row)
SELECT * FROM
jsonb_populate_record(null::record, '{"x": 776}') AS (x int, y int);
x | y
-----+---
776 |
(1 row)
-- composite domain
SELECT jsonb_populate_record(null::jb_ordered_pair, '{"x": 0, "y": 1}');
jsonb_populate_record
-----------------------
(0,1)
(1 row)
SELECT jsonb_populate_record(row(1,2)::jb_ordered_pair, '{"x": 0}');
jsonb_populate_record
-----------------------
(0,2)
(1 row)
SELECT jsonb_populate_record(row(1,2)::jb_ordered_pair, '{"x": 1, "y": 0}');
ERROR: value for domain jb_ordered_pair violates check constraint "jb_ordered_pair_check"
-- populate_recordset
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;
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"}]') 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;
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;
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"}]') q;
ERROR: invalid input syntax for type timestamp: "[100, 200, 300]"
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;
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;
a | b | c
-----------------+----+--------------------------
[100, 200, 300] | 99 |
{"z": true} | 3 | Fri Jan 20 10:42:53 2012
(2 rows)
-- anonymous record type
SELECT jsonb_populate_recordset(null::record, '[{"x": 0, "y": 1}]');
ERROR: could not determine row type for result of jsonb_populate_recordset
HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list.
SELECT jsonb_populate_recordset(row(1,2), '[{"f1": 0, "f2": 1}]');
jsonb_populate_recordset
--------------------------
(0,1)
(1 row)
SELECT i, jsonb_populate_recordset(row(i,50), '[{"f1":"42"},{"f2":"43"}]')
FROM (VALUES (1),(2)) v(i);
i | jsonb_populate_recordset
---+--------------------------
1 | (42,50)
1 | (1,43)
2 | (42,50)
2 | (2,43)
(4 rows)
SELECT * FROM
jsonb_populate_recordset(null::record, '[{"x": 776}]') AS (x int, y int);
x | y
-----+---
776 |
(1 row)
-- empty array is a corner case
SELECT jsonb_populate_recordset(null::record, '[]');
ERROR: could not determine row type for result of jsonb_populate_recordset
HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list.
SELECT jsonb_populate_recordset(row(1,2), '[]');
jsonb_populate_recordset
--------------------------
(0 rows)
SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[]') q;
a | b | c
---+---+---
(0 rows)
SELECT * FROM
jsonb_populate_recordset(null::record, '[]') AS (x int, y int);
x | y
---+---
(0 rows)
-- composite domain
SELECT jsonb_populate_recordset(null::jb_ordered_pair, '[{"x": 0, "y": 1}]');
jsonb_populate_recordset
--------------------------
(0,1)
(1 row)
SELECT jsonb_populate_recordset(row(1,2)::jb_ordered_pair, '[{"x": 0}, {"y": 3}]');
jsonb_populate_recordset
--------------------------
(0,2)
(1,3)
(2 rows)
SELECT jsonb_populate_recordset(row(1,2)::jb_ordered_pair, '[{"x": 1, "y": 0}]');
ERROR: value for domain jb_ordered_pair violates check constraint "jb_ordered_pair_check"
-- negative cases where the wrong record type is supplied
select * from jsonb_populate_recordset(row(0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text);
ERROR: function return row and query-specified return row do not match
DETAIL: Returned row contains 1 attribute, but query expects 2.
select * from jsonb_populate_recordset(row(0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text);
ERROR: function return row and query-specified return row do not match
DETAIL: Returned type integer at ordinal position 1, but query expects text.
select * from jsonb_populate_recordset(row(0::int,0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text);
ERROR: function return row and query-specified return row do not match
DETAIL: Returned row contains 3 attributes, but query expects 2.
select * from jsonb_populate_recordset(row(1000000000::int,50::int),'[{"b":"2"},{"a":"3"}]') q (a text, b text);
ERROR: function return row and query-specified return row do not match
DETAIL: Returned type integer at ordinal position 1, but query expects text.
-- jsonb_to_record and jsonb_to_recordset
select * from jsonb_to_record('{"a":1,"b":"foo","c":"bar"}')
as x(a int, b text, d text);
a | b | d
---+-----+---
1 | foo |
(1 row)
select * from jsonb_to_recordset('[{"a":1,"b":"foo","d":false},{"a":2,"b":"bar","c":true}]')
as x(a int, b text, c boolean);
a | b | c
---+-----+---
1 | foo |
2 | bar | t
(2 rows)
select *, c is null as c_is_null
from jsonb_to_record('{"a":1, "b":{"c":16, "d":2}, "x":8, "ca": ["1 2", 3], "ia": [[1,2],[3,4]], "r": {"a": "aaa", "b": 123}}'::jsonb)
as t(a int, b jsonb, c text, x int, ca char(5)[], ia int[][], r jbpop);
a | b | c | x | ca | ia | r | c_is_null
---+-------------------+---+---+-------------------+---------------+------------+-----------
1 | {"c": 16, "d": 2} | | 8 | {"1 2 ","3 "} | {{1,2},{3,4}} | (aaa,123,) | t
(1 row)
select *, c is null as c_is_null
from jsonb_to_recordset('[{"a":1, "b":{"c":16, "d":2}, "x":8}]'::jsonb)
as t(a int, b jsonb, c text, x int);
a | b | c | x | c_is_null
---+-------------------+---+---+-----------
1 | {"c": 16, "d": 2} | | 8 | t
(1 row)
select * from jsonb_to_record('{"ia": null}') as x(ia _int4);
ia
----
(1 row)
select * from jsonb_to_record('{"ia": 123}') as x(ia _int4);
ERROR: expected JSON array
HINT: See the value of key "ia".
select * from jsonb_to_record('{"ia": [1, "2", null, 4]}') as x(ia _int4);
ia
--------------
{1,2,NULL,4}
(1 row)
select * from jsonb_to_record('{"ia": [[1, 2], [3, 4]]}') as x(ia _int4);
ia
---------------
{{1,2},{3,4}}
(1 row)
select * from jsonb_to_record('{"ia": [[1], 2]}') as x(ia _int4);
ERROR: expected JSON array
HINT: See the array element [1] of key "ia".
select * from jsonb_to_record('{"ia": [[1], [2, 3]]}') as x(ia _int4);
ERROR: malformed JSON array
DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions.
select * from jsonb_to_record('{"ia2": [1, 2, 3]}') as x(ia2 int[][]);
ia2
---------
{1,2,3}
(1 row)
select * from jsonb_to_record('{"ia2": [[1, 2], [3, 4]]}') as x(ia2 int4[][]);
ia2
---------------
{{1,2},{3,4}}
(1 row)
select * from jsonb_to_record('{"ia2": [[[1], [2], [3]]]}') as x(ia2 int4[][]);
ia2
-----------------
{{{1},{2},{3}}}
(1 row)
select * from jsonb_to_record('{"out": {"key": 1}}') as x(out json);
out
------------
{"key": 1}
(1 row)
select * from jsonb_to_record('{"out": [{"key": 1}]}') as x(out json);
out
--------------
[{"key": 1}]
(1 row)
select * from jsonb_to_record('{"out": "{\"key\": 1}"}') as x(out json);
out
----------------
"{\"key\": 1}"
(1 row)
select * from jsonb_to_record('{"out": {"key": 1}}') as x(out jsonb);
out
------------
{"key": 1}
(1 row)
select * from jsonb_to_record('{"out": [{"key": 1}]}') as x(out jsonb);
out
--------------
[{"key": 1}]
(1 row)
select * from jsonb_to_record('{"out": "{\"key\": 1}"}') as x(out jsonb);
out
----------------
"{\"key\": 1}"
(1 row)
-- test type info caching in jsonb_populate_record()
CREATE TEMP TABLE jsbpoptest (js jsonb);
INSERT INTO jsbpoptest
SELECT '{
"jsa": [1, "2", null, 4],
"rec": {"a": "abc", "c": "01.02.2003", "x": 43.2},
"reca": [{"a": "abc", "b": 456}, null, {"c": "01.02.2003", "x": 43.2}]
}'::jsonb
FROM generate_series(1, 3);
SELECT (jsonb_populate_record(NULL::jsbrec, js)).* FROM jsbpoptest;
i | ia | ia1 | ia2 | ia3 | ia1d | ia2d | t | ta | c | ca | ts | js | jsb | jsa | rec | reca
---+----+-----+-----+-----+------+------+---+----+---+----+----+----+-----+--------------------+-----------------------------------+--------------------------------------------------------
| | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"}
| | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"}
| | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"}
(3 rows)
DROP TYPE jsbrec;
DROP TYPE jsbrec_i_not_null;
DROP DOMAIN jsb_int_not_null;
DROP DOMAIN jsb_int_array_1d;
DROP DOMAIN jsb_int_array_2d;
DROP DOMAIN jb_ordered_pair;
DROP TYPE jb_unordered_pair;
-- indexing
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 ? 'bar';
count
-------
0
(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)
SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null';
count
-------
1
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait';
count
-------
15
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)';
count
-------
1012
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public)';
count
-------
194
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.bar)';
count
-------
0
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) || exists($.disabled)';
count
-------
337
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) && exists($.disabled)';
count
-------
42
(1 row)
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" && true == @.public)';
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 @? '$';
count
-------
1012
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.public';
count
-------
194
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.bar';
count
-------
0
(1 row)
ALTER TABLE testjsonb SET (parallel_workers = 2);
CREATE INDEX jidx ON testjsonb USING gin (j);
SET enable_seqscan = off;
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}';
count
-------
1
(1 row)
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
count
-------
15
(1 row)
SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @> '{"array":["foo"]}';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @> '{"array":["bar"]}';
count
-------
3
(1 row)
-- exercise GIN_SEARCH_MODE_ALL
SELECT count(*) FROM testjsonb WHERE j @> '{}';
count
-------
1012
(1 row)
SELECT count(*) FROM testjsonb WHERE j ? 'public';
count
-------
194
(1 row)
SELECT count(*) FROM testjsonb WHERE j ? 'bar';
count
-------
0
(1 row)
SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled'];
count
-------
337
(1 row)
SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled'];
count
-------
42
(1 row)
EXPLAIN (COSTS OFF)
SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null';
QUERY PLAN
-----------------------------------------------------------------
Aggregate
-> Bitmap Heap Scan on testjsonb
Recheck Cond: (j @@ '($."wait" == null)'::jsonpath)
-> Bitmap Index Scan on jidx
Index Cond: (j @@ '($."wait" == null)'::jsonpath)
(5 rows)
SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null';
count
-------
1
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.wait == null))';
count
-------
1
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.wait ? (@ == null))';
count
-------
1
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait';
count
-------
15
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "foo"';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "bar"';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.array[*] == "bar"))';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array ? (@[*] == "bar"))';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array[*] ? (@ == "bar"))';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)';
count
-------
1012
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public)';
count
-------
194
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.bar)';
count
-------
0
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) || exists($.disabled)';
count
-------
337
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) && exists($.disabled)';
count
-------
42
(1 row)
EXPLAIN (COSTS OFF)
SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)';
QUERY PLAN
-------------------------------------------------------------------
Aggregate
-> Bitmap Heap Scan on testjsonb
Recheck Cond: (j @? '$."wait"?(@ == null)'::jsonpath)
-> Bitmap Index Scan on jidx
Index Cond: (j @? '$."wait"?(@ == null)'::jsonpath)
(5 rows)
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" && true == @.public)';
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 @? '$ ? (@.array[*] == "bar")';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.array ? (@[*] == "bar")';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.array[*] ? (@ == "bar")';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$';
count
-------
1012
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.public';
count
-------
194
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.bar';
count
-------
0
(1 row)
-- array exists - array elements should behave as keys (for GIN index scans too)
CREATE INDEX jidx_array ON testjsonb USING gin((j->'array'));
SELECT count(*) from testjsonb WHERE j->'array' ? 'bar';
count
-------
3
(1 row)
-- type sensitive array exists - should return no rows (since "exists" only
-- matches strings that are either object keys or array elements)
SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text;
count
-------
0
(1 row)
-- However, a raw scalar is *contained* within the array
SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb;
count
-------
1
(1 row)
RESET enable_seqscan;
SELECT count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow;
count
-------
4791
(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
array | 5
age | 2
foo | 2
fool | 1
(26 rows)
-- sort/hash
SELECT count(distinct j) FROM testjsonb;
count
-------
894
(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
-------
894
(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
-------
894
(1 row)
SELECT distinct * FROM (values (jsonb '{}' || ''::text),('{}')) v(j);
j
----
{}
(1 row)
SET enable_sort = on;
RESET enable_hashagg;
RESET enable_sort;
DROP INDEX jidx;
DROP INDEX jidx_array;
-- btree
CREATE INDEX jidx ON testjsonb USING btree (j);
SET enable_seqscan = off;
SELECT count(*) FROM testjsonb WHERE j > '{"p":1}';
count
-------
884
(1 row)
SELECT count(*) FROM testjsonb WHERE j = '{"pos":98, "line":371, "node":"CBA", "indexed":true}';
count
-------
1
(1 row)
--gin path opclass
DROP INDEX jidx;
CREATE INDEX CONCURRENTLY jidx ON testjsonb USING gin (j jsonb_path_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)
-- exercise GIN_SEARCH_MODE_ALL
SELECT count(*) FROM testjsonb WHERE j @> '{}';
count
-------
1012
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null';
count
-------
1
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.wait == null))';
count
-------
1
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.wait ? (@ == null))';
count
-------
1
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait';
count
-------
15
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0';
count
-------
2
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "foo"';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "bar"';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.array[*] == "bar"))';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array ? (@[*] == "bar"))';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array[*] ? (@ == "bar"))';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)';
count
-------
1012
(1 row)
EXPLAIN (COSTS OFF)
SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)';
QUERY PLAN
-------------------------------------------------------------------
Aggregate
-> Bitmap Heap Scan on testjsonb
Recheck Cond: (j @? '$."wait"?(@ == null)'::jsonpath)
-> Bitmap Index Scan on jidx
Index Cond: (j @? '$."wait"?(@ == null)'::jsonpath)
(5 rows)
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" && true == @.public)';
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 @? '$ ? (@.array[*] == "bar")';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.array ? (@[*] == "bar")';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.array[*] ? (@ == "bar")';
count
-------
3
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$';
count
-------
1012
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.public';
count
-------
194
(1 row)
SELECT count(*) FROM testjsonb WHERE j @? '$.bar';
count
-------
0
(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)
-- check some corner cases for indexed nested containment (bug #13756)
create temp table nestjsonb (j jsonb);
insert into nestjsonb (j) values ('{"a":[["b",{"x":1}],["b",{"x":2}]],"c":3}');
insert into nestjsonb (j) values ('[[14,2,3]]');
insert into nestjsonb (j) values ('[1,[14,2,3]]');
create index on nestjsonb using gin(j jsonb_path_ops);
set enable_seqscan = on;
set enable_bitmapscan = off;
select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb;
j
---------------------------------------------------
{"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3}
(1 row)
select * from nestjsonb where j @> '{"c":3}';
j
---------------------------------------------------
{"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3}
(1 row)
select * from nestjsonb where j @> '[[14]]';
j
-----------------
[[14, 2, 3]]
[1, [14, 2, 3]]
(2 rows)
set enable_seqscan = off;
set enable_bitmapscan = on;
select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb;
j
---------------------------------------------------
{"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3}
(1 row)
select * from nestjsonb where j @> '{"c":3}';
j
---------------------------------------------------
{"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3}
(1 row)
select * from nestjsonb where j @> '[[14]]';
j
-----------------
[[14, 2, 3]]
[1, [14, 2, 3]]
(2 rows)
reset enable_seqscan;
reset enable_bitmapscan;
-- 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
?column?
----------
(1 row)
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?
----------
null
(1 row)
SELECT '["a","b","c",[1,2],null]'::jsonb -> -5;
?column?
----------
"a"
(1 row)
SELECT '["a","b","c",[1,2],null]'::jsonb -> -6;
?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?
----------
3
(1 row)
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-3}';
?column?
----------
1
(1 row)
SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-4}';
?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)
-- jsonb_strip_nulls
select jsonb_strip_nulls(null);
jsonb_strip_nulls
-------------------
(1 row)
select jsonb_strip_nulls('1');
jsonb_strip_nulls
-------------------
1
(1 row)
select jsonb_strip_nulls('"a string"');
jsonb_strip_nulls
-------------------
"a string"
(1 row)
select jsonb_strip_nulls('null');
jsonb_strip_nulls
-------------------
null
(1 row)
select jsonb_strip_nulls('[1,2,null,3,4]');
jsonb_strip_nulls
--------------------
[1, 2, null, 3, 4]
(1 row)
select jsonb_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}');
jsonb_strip_nulls
--------------------------------------------
{"a": 1, "c": [2, null, 3], "d": {"e": 4}}
(1 row)
select jsonb_strip_nulls('[1,{"a":1,"b":null,"c":2},3]');
jsonb_strip_nulls
--------------------------
[1, {"a": 1, "c": 2}, 3]
(1 row)
-- an empty object is not null and should not be stripped
select jsonb_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }');
jsonb_strip_nulls
--------------------
{"a": {}, "d": {}}
(1 row)
-- jsonb_strip_nulls (strip_in_arrays=true)
select jsonb_strip_nulls(null, true);
jsonb_strip_nulls
-------------------
(1 row)
select jsonb_strip_nulls('1', true);
jsonb_strip_nulls
-------------------
1
(1 row)
select jsonb_strip_nulls('"a string"', true);
jsonb_strip_nulls
-------------------
"a string"
(1 row)
select jsonb_strip_nulls('null', true);
jsonb_strip_nulls
-------------------
null
(1 row)
select jsonb_strip_nulls('[1,2,null,3,4]', true);
jsonb_strip_nulls
-------------------
[1, 2, 3, 4]
(1 row)
select jsonb_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}', true);
jsonb_strip_nulls
--------------------------------------
{"a": 1, "c": [2, 3], "d": {"e": 4}}
(1 row)
select jsonb_strip_nulls('[1,{"a":1,"b":null,"c":2},3]', true);
jsonb_strip_nulls
--------------------------
[1, {"a": 1, "c": 2}, 3]
(1 row)
-- an empty object is not null and should not be stripped
select jsonb_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }', true);
jsonb_strip_nulls
--------------------
{"a": {}, "d": {}}
(1 row)
select jsonb_pretty('{"a": "test", "b": [1, 2, 3], "c": "test3", "d":{"dd": "test4", "dd2":{"ddd": "test5"}}}');
jsonb_pretty
----------------------------
{ +
"a": "test", +
"b": [ +
1, +
2, +
3 +
], +
"c": "test3", +
"d": { +
"dd": "test4", +
"dd2": { +
"ddd": "test5"+
} +
} +
}
(1 row)
select jsonb_pretty('[{"f1":1,"f2":null},2,null,[[{"x":true},6,7],8],3]');
jsonb_pretty
---------------------------
[ +
{ +
"f1": 1, +
"f2": null +
}, +
2, +
null, +
[ +
[ +
{ +
"x": true+
}, +
6, +
7 +
], +
8 +
], +
3 +
]
(1 row)
select jsonb_pretty('{"a":["b", "c"], "d": {"e":"f"}}');
jsonb_pretty
------------------
{ +
"a": [ +
"b", +
"c" +
], +
"d": { +
"e": "f"+
} +
}
(1 row)
select jsonb_concat('{"d": "test", "a": [1, 2]}', '{"g": "test2", "c": {"c1":1, "c2":2}}');
jsonb_concat
-------------------------------------------------------------------
{"a": [1, 2], "c": {"c1": 1, "c2": 2}, "d": "test", "g": "test2"}
(1 row)
select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"cq":"l", "b":"g", "fg":false}';
?column?
---------------------------------------------
{"b": "g", "aa": 1, "cq": "l", "fg": false}
(1 row)
select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"aq":"l"}';
?column?
---------------------------------------
{"b": 2, "aa": 1, "aq": "l", "cq": 3}
(1 row)
select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"aa":"l"}';
?column?
------------------------------
{"b": 2, "aa": "l", "cq": 3}
(1 row)
select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{}';
?column?
----------------------------
{"b": 2, "aa": 1, "cq": 3}
(1 row)
select '["a", "b"]'::jsonb || '["c"]';
?column?
-----------------
["a", "b", "c"]
(1 row)
select '["a", "b"]'::jsonb || '["c", "d"]';
?column?
----------------------
["a", "b", "c", "d"]
(1 row)
select '["c"]' || '["a", "b"]'::jsonb;
?column?
-----------------
["c", "a", "b"]
(1 row)
select '["a", "b"]'::jsonb || '"c"';
?column?
-----------------
["a", "b", "c"]
(1 row)
select '"c"' || '["a", "b"]'::jsonb;
?column?
-----------------
["c", "a", "b"]
(1 row)
select '[]'::jsonb || '["a"]'::jsonb;
?column?
----------
["a"]
(1 row)
select '[]'::jsonb || '"a"'::jsonb;
?column?
----------
["a"]
(1 row)
select '"b"'::jsonb || '"a"'::jsonb;
?column?
------------
["b", "a"]
(1 row)
select '{}'::jsonb || '{"a":"b"}'::jsonb;
?column?
------------
{"a": "b"}
(1 row)
select '[]'::jsonb || '{"a":"b"}'::jsonb;
?column?
--------------
[{"a": "b"}]
(1 row)
select '{"a":"b"}'::jsonb || '[]'::jsonb;
?column?
--------------
[{"a": "b"}]
(1 row)
select '"a"'::jsonb || '{"a":1}';
?column?
-----------------
["a", {"a": 1}]
(1 row)
select '{"a":1}' || '"a"'::jsonb;
?column?
-----------------
[{"a": 1}, "a"]
(1 row)
select '[3]'::jsonb || '{}'::jsonb;
?column?
----------
[3, {}]
(1 row)
select '3'::jsonb || '[]'::jsonb;
?column?
----------
[3]
(1 row)
select '3'::jsonb || '4'::jsonb;
?column?
----------
[3, 4]
(1 row)
select '3'::jsonb || '{}'::jsonb;
?column?
----------
[3, {}]
(1 row)
select '["a", "b"]'::jsonb || '{"c":1}';
?column?
----------------------
["a", "b", {"c": 1}]
(1 row)
select '{"c": 1}'::jsonb || '["a", "b"]';
?column?
----------------------
[{"c": 1}, "a", "b"]
(1 row)
select '{}'::jsonb || '{"cq":"l", "b":"g", "fg":false}';
?column?
------------------------------------
{"b": "g", "cq": "l", "fg": false}
(1 row)
select pg_column_size('{}'::jsonb || '{}'::jsonb) = pg_column_size('{}'::jsonb);
?column?
----------
t
(1 row)
select pg_column_size('{"aa":1}'::jsonb || '{"b":2}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb);
?column?
----------
t
(1 row)
select pg_column_size('{"aa":1, "b":2}'::jsonb || '{}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb);
?column?
----------
t
(1 row)
select pg_column_size('{}'::jsonb || '{"aa":1, "b":2}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb);
?column?
----------
t
(1 row)
select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'a');
jsonb_delete
------------------
{"b": 2, "c": 3}
(1 row)
select jsonb_delete('{"a":null , "b":2, "c":3}'::jsonb, 'a');
jsonb_delete
------------------
{"b": 2, "c": 3}
(1 row)
select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'b');
jsonb_delete
------------------
{"a": 1, "c": 3}
(1 row)
select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'c');
jsonb_delete
------------------
{"a": 1, "b": 2}
(1 row)
select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'd');
jsonb_delete
--------------------------
{"a": 1, "b": 2, "c": 3}
(1 row)
select '{"a":1 , "b":2, "c":3}'::jsonb - 'a';
?column?
------------------
{"b": 2, "c": 3}
(1 row)
select '{"a":null , "b":2, "c":3}'::jsonb - 'a';
?column?
------------------
{"b": 2, "c": 3}
(1 row)
select '{"a":1 , "b":2, "c":3}'::jsonb - 'b';
?column?
------------------
{"a": 1, "c": 3}
(1 row)
select '{"a":1 , "b":2, "c":3}'::jsonb - 'c';
?column?
------------------
{"a": 1, "b": 2}
(1 row)
select '{"a":1 , "b":2, "c":3}'::jsonb - 'd';
?column?
--------------------------
{"a": 1, "b": 2, "c": 3}
(1 row)
select pg_column_size('{"a":1 , "b":2, "c":3}'::jsonb - 'b') = pg_column_size('{"a":1, "b":2}'::jsonb);
?column?
----------
t
(1 row)
select '["a","b","c"]'::jsonb - 3;
?column?
-----------------
["a", "b", "c"]
(1 row)
select '["a","b","c"]'::jsonb - 2;
?column?
------------
["a", "b"]
(1 row)
select '["a","b","c"]'::jsonb - 1;
?column?
------------
["a", "c"]
(1 row)
select '["a","b","c"]'::jsonb - 0;
?column?
------------
["b", "c"]
(1 row)
select '["a","b","c"]'::jsonb - -1;
?column?
------------
["a", "b"]
(1 row)
select '["a","b","c"]'::jsonb - -2;
?column?
------------
["a", "c"]
(1 row)
select '["a","b","c"]'::jsonb - -3;
?column?
------------
["b", "c"]
(1 row)
select '["a","b","c"]'::jsonb - -4;
?column?
-----------------
["a", "b", "c"]
(1 row)
select '{"a":1 , "b":2, "c":3}'::jsonb - '{b}'::text[];
?column?
------------------
{"a": 1, "c": 3}
(1 row)
select '{"a":1 , "b":2, "c":3}'::jsonb - '{c,b}'::text[];
?column?
----------
{"a": 1}
(1 row)
select '{"a":1 , "b":2, "c":3}'::jsonb - '{}'::text[];
?column?
--------------------------
{"a": 1, "b": 2, "c": 3}
(1 row)
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{n}', '[1,2,3]');
jsonb_set
--------------------------------------------------------------------------
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": [1, 2, 3]}
(1 row)
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '[1,2,3]');
jsonb_set
-----------------------------------------------------------------------------
{"a": 1, "b": [1, [1, 2, 3]], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
(1 row)
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,1,0}', '[1,2,3]');
jsonb_set
-----------------------------------------------------------------------------
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [[1, 2, 3], 3]}, "n": null}
(1 row)
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,NULL,0}', '[1,2,3]');
ERROR: path element at position 2 is null
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{n}', '{"1": 2}');
jsonb_set
-------------------------------------------------------------------------
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": {"1": 2}}
(1 row)
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '{"1": 2}');
jsonb_set
----------------------------------------------------------------------------
{"a": 1, "b": [1, {"1": 2}], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
(1 row)
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,1,0}', '{"1": 2}');
jsonb_set
----------------------------------------------------------------------------
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [{"1": 2}, 3]}, "n": null}
(1 row)
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,NULL,0}', '{"1": 2}');
ERROR: path element at position 2 is null
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '"test"');
jsonb_set
--------------------------------------------------------------------------
{"a": 1, "b": [1, "test"], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
(1 row)
select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '{"f": "test"}');
jsonb_set
---------------------------------------------------------------------------------
{"a": 1, "b": [1, {"f": "test"}], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
(1 row)
select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{n}');
jsonb_delete_path
----------------------------------------------------------
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}}
(1 row)
select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{b,-1}');
jsonb_delete_path
------------------------------------------------------------------
{"a": 1, "b": [1], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
(1 row)
select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{d,1,0}');
jsonb_delete_path
------------------------------------------------------------------
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [3]}, "n": null}
(1 row)
select jsonb_delete_path('{"a":[]}', '{"a",-2147483648}');
jsonb_delete_path
-------------------
{"a": []}
(1 row)
select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{n}';
?column?
----------------------------------------------------------
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}}
(1 row)
select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{b,-1}';
?column?
------------------------------------------------------------------
{"a": 1, "b": [1], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null}
(1 row)
select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{b,-1e}'; -- invalid array subscript
ERROR: path element at position 2 is not an integer: "-1e"
select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{d,1,0}';
?column?
------------------------------------------------------------------
{"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [3]}, "n": null}
(1 row)
-- empty structure and error conditions for delete and replace
select '"a"'::jsonb - 'a'; -- error
ERROR: cannot delete from scalar
select '{}'::jsonb - 'a';
?column?
----------
{}
(1 row)
select '[]'::jsonb - 'a';
?column?
----------
[]
(1 row)
select '"a"'::jsonb - 1; -- error
ERROR: cannot delete from scalar
select '{}'::jsonb - 1; -- error
ERROR: cannot delete from object using integer index
select '[]'::jsonb - 1;
?column?
----------
[]
(1 row)
select '"a"'::jsonb #- '{a}'; -- error
ERROR: cannot delete path in scalar
select '{}'::jsonb #- '{a}';
?column?
----------
{}
(1 row)
select '[]'::jsonb #- '{a}';
?column?
----------
[]
(1 row)
select jsonb_set('"a"','{a}','"b"'); --error
ERROR: cannot set path in scalar
select jsonb_set('{}','{a}','"b"', false);
jsonb_set
-----------
{}
(1 row)
select jsonb_set('[]','{1}','"b"', false);
jsonb_set
-----------
[]
(1 row)
select jsonb_set('[{"f1":1,"f2":null},2,null,3]', '{0}','[2,3,4]', false);
jsonb_set
-------------------------
[[2, 3, 4], 2, null, 3]
(1 row)
-- jsonb_set adding instead of replacing
-- prepend to array
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{b,-33}','{"foo":123}');
jsonb_set
-------------------------------------------------------
{"a": 1, "b": [{"foo": 123}, 0, 1, 2], "c": {"d": 4}}
(1 row)
-- append to array
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{b,33}','{"foo":123}');
jsonb_set
-------------------------------------------------------
{"a": 1, "b": [0, 1, 2, {"foo": 123}], "c": {"d": 4}}
(1 row)
-- check nesting levels addition
select jsonb_set('{"a":1,"b":[4,5,[0,1,2],6,7],"c":{"d":4}}','{b,2,33}','{"foo":123}');
jsonb_set
---------------------------------------------------------------------
{"a": 1, "b": [4, 5, [0, 1, 2, {"foo": 123}], 6, 7], "c": {"d": 4}}
(1 row)
-- add new key
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{c,e}','{"foo":123}');
jsonb_set
------------------------------------------------------------
{"a": 1, "b": [0, 1, 2], "c": {"d": 4, "e": {"foo": 123}}}
(1 row)
-- adding doesn't do anything if elements before last aren't present
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{x,-33}','{"foo":123}');
jsonb_set
-----------------------------------------
{"a": 1, "b": [0, 1, 2], "c": {"d": 4}}
(1 row)
select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{x,y}','{"foo":123}');
jsonb_set
-----------------------------------------
{"a": 1, "b": [0, 1, 2], "c": {"d": 4}}
(1 row)
-- add to empty object
select jsonb_set('{}','{x}','{"foo":123}');
jsonb_set
---------------------
{"x": {"foo": 123}}
(1 row)
--add to empty array
select jsonb_set('[]','{0}','{"foo":123}');
jsonb_set
----------------
[{"foo": 123}]
(1 row)
select jsonb_set('[]','{99}','{"foo":123}');
jsonb_set
----------------
[{"foo": 123}]
(1 row)
select jsonb_set('[]','{-99}','{"foo":123}');
jsonb_set
----------------
[{"foo": 123}]
(1 row)
select jsonb_set('{"a": [1, 2, 3]}', '{a, non_integer}', '"new_value"');
ERROR: path element at position 2 is not an integer: "non_integer"
select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, non_integer}', '"new_value"');
ERROR: path element at position 3 is not an integer: "non_integer"
select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, NULL}', '"new_value"');
ERROR: path element at position 3 is null
-- jsonb_set_lax
\pset null NULL
-- pass though non nulls to jsonb_set
select jsonb_set_lax('{"a":1,"b":2}','{b}','5') ;
jsonb_set_lax
------------------
{"a": 1, "b": 5}
(1 row)
select jsonb_set_lax('{"a":1,"b":2}','{d}','6', true) ;
jsonb_set_lax
--------------------------
{"a": 1, "b": 2, "d": 6}
(1 row)
-- using the default treatment
select jsonb_set_lax('{"a":1,"b":2}','{b}',null);
jsonb_set_lax
---------------------
{"a": 1, "b": null}
(1 row)
select jsonb_set_lax('{"a":1,"b":2}','{d}',null,true);
jsonb_set_lax
-----------------------------
{"a": 1, "b": 2, "d": null}
(1 row)
-- errors
select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, true, null);
ERROR: null_value_treatment must be "delete_key", "return_target", "use_json_null", or "raise_exception"
select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, true, 'no_such_treatment');
ERROR: null_value_treatment must be "delete_key", "return_target", "use_json_null", or "raise_exception"
-- explicit treatments
select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'raise_exception') as raise_exception;
ERROR: JSON value must not be null
DETAIL: Exception was raised because null_value_treatment is "raise_exception".
HINT: To avoid, either change the null_value_treatment argument or ensure that an SQL NULL is not passed.
select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'return_target') as return_target;
return_target
------------------
{"a": 1, "b": 2}
(1 row)
select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'delete_key') as delete_key;
delete_key
------------
{"a": 1}
(1 row)
select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'use_json_null') as use_json_null;
use_json_null
---------------------
{"a": 1, "b": null}
(1 row)
\pset null ''
-- jsonb_insert
select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '"new_value"');
jsonb_insert
-------------------------------
{"a": [0, "new_value", 1, 2]}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '"new_value"', true);
jsonb_insert
-------------------------------
{"a": [0, 1, "new_value", 2]}
(1 row)
select jsonb_insert('{"a": {"b": {"c": [0, 1, "test1", "test2"]}}}', '{a, b, c, 2}', '"new_value"');
jsonb_insert
------------------------------------------------------------
{"a": {"b": {"c": [0, 1, "new_value", "test1", "test2"]}}}
(1 row)
select jsonb_insert('{"a": {"b": {"c": [0, 1, "test1", "test2"]}}}', '{a, b, c, 2}', '"new_value"', true);
jsonb_insert
------------------------------------------------------------
{"a": {"b": {"c": [0, 1, "test1", "new_value", "test2"]}}}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '{"b": "value"}');
jsonb_insert
----------------------------------
{"a": [0, {"b": "value"}, 1, 2]}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '["value1", "value2"]');
jsonb_insert
----------------------------------------
{"a": [0, ["value1", "value2"], 1, 2]}
(1 row)
-- edge cases
select jsonb_insert('{"a": [0,1,2]}', '{a, 0}', '"new_value"');
jsonb_insert
-------------------------------
{"a": ["new_value", 0, 1, 2]}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, 0}', '"new_value"', true);
jsonb_insert
-------------------------------
{"a": [0, "new_value", 1, 2]}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, 2}', '"new_value"');
jsonb_insert
-------------------------------
{"a": [0, 1, "new_value", 2]}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, 2}', '"new_value"', true);
jsonb_insert
-------------------------------
{"a": [0, 1, 2, "new_value"]}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, -1}', '"new_value"');
jsonb_insert
-------------------------------
{"a": [0, 1, "new_value", 2]}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, -1}', '"new_value"', true);
jsonb_insert
-------------------------------
{"a": [0, 1, 2, "new_value"]}
(1 row)
select jsonb_insert('[]', '{1}', '"new_value"');
jsonb_insert
---------------
["new_value"]
(1 row)
select jsonb_insert('[]', '{1}', '"new_value"', true);
jsonb_insert
---------------
["new_value"]
(1 row)
select jsonb_insert('{"a": []}', '{a, 1}', '"new_value"');
jsonb_insert
----------------------
{"a": ["new_value"]}
(1 row)
select jsonb_insert('{"a": []}', '{a, 1}', '"new_value"', true);
jsonb_insert
----------------------
{"a": ["new_value"]}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, 10}', '"new_value"');
jsonb_insert
-------------------------------
{"a": [0, 1, 2, "new_value"]}
(1 row)
select jsonb_insert('{"a": [0,1,2]}', '{a, -10}', '"new_value"');
jsonb_insert
-------------------------------
{"a": ["new_value", 0, 1, 2]}
(1 row)
-- jsonb_insert should be able to insert new value for objects, but not to replace
select jsonb_insert('{"a": {"b": "value"}}', '{a, c}', '"new_value"');
jsonb_insert
-----------------------------------------
{"a": {"b": "value", "c": "new_value"}}
(1 row)
select jsonb_insert('{"a": {"b": "value"}}', '{a, c}', '"new_value"', true);
jsonb_insert
-----------------------------------------
{"a": {"b": "value", "c": "new_value"}}
(1 row)
select jsonb_insert('{"a": {"b": "value"}}', '{a, b}', '"new_value"');
ERROR: cannot replace existing key
HINT: Try using the function jsonb_set to replace key value.
select jsonb_insert('{"a": {"b": "value"}}', '{a, b}', '"new_value"', true);
ERROR: cannot replace existing key
HINT: Try using the function jsonb_set to replace key value.
-- jsonb subscript
select ('123'::jsonb)['a'];
jsonb
-------
(1 row)
select ('123'::jsonb)[0];
jsonb
-------
(1 row)
select ('123'::jsonb)[NULL];
jsonb
-------
(1 row)
select ('{"a": 1}'::jsonb)['a'];
jsonb
-------
1
(1 row)
select ('{"a": 1}'::jsonb)[0];
jsonb
-------
(1 row)
select ('{"a": 1}'::jsonb)['not_exist'];
jsonb
-------
(1 row)
select ('{"a": 1}'::jsonb)[NULL];
jsonb
-------
(1 row)
select ('[1, "2", null]'::jsonb)['a'];
jsonb
-------
(1 row)
select ('[1, "2", null]'::jsonb)[0];
jsonb
-------
1
(1 row)
select ('[1, "2", null]'::jsonb)['1'];
jsonb
-------
"2"
(1 row)
select ('[1, "2", null]'::jsonb)[1.0];
ERROR: subscript type numeric is not supported
LINE 1: select ('[1, "2", null]'::jsonb)[1.0];
^
HINT: jsonb subscript must be coercible to either integer or text.
select ('[1, "2", null]'::jsonb)[2];
jsonb
-------
null
(1 row)
select ('[1, "2", null]'::jsonb)[3];
jsonb
-------
(1 row)
select ('[1, "2", null]'::jsonb)[-2];
jsonb
-------
"2"
(1 row)
select ('[1, "2", null]'::jsonb)[1]['a'];
jsonb
-------
(1 row)
select ('[1, "2", null]'::jsonb)[1][0];
jsonb
-------
(1 row)
select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['b'];
jsonb
-------
"c"
(1 row)
select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['d'];
jsonb
-----------
[1, 2, 3]
(1 row)
select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['d'][1];
jsonb
-------
2
(1 row)
select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['d']['a'];
jsonb
-------
(1 row)
select ('{"a": {"a1": {"a2": "aaa"}}, "b": "bbb", "c": "ccc"}'::jsonb)['a']['a1'];
jsonb
---------------
{"a2": "aaa"}
(1 row)
select ('{"a": {"a1": {"a2": "aaa"}}, "b": "bbb", "c": "ccc"}'::jsonb)['a']['a1']['a2'];
jsonb
-------
"aaa"
(1 row)
select ('{"a": {"a1": {"a2": "aaa"}}, "b": "bbb", "c": "ccc"}'::jsonb)['a']['a1']['a2']['a3'];
jsonb
-------
(1 row)
select ('{"a": ["a1", {"b1": ["aaa", "bbb", "ccc"]}], "b": "bb"}'::jsonb)['a'][1]['b1'];
jsonb
-----------------------
["aaa", "bbb", "ccc"]
(1 row)
select ('{"a": ["a1", {"b1": ["aaa", "bbb", "ccc"]}], "b": "bb"}'::jsonb)['a'][1]['b1'][2];
jsonb
-------
"ccc"
(1 row)
-- slices are not supported
select ('{"a": 1}'::jsonb)['a':'b'];
ERROR: jsonb subscript does not support slices
LINE 1: select ('{"a": 1}'::jsonb)['a':'b'];
^
select ('[1, "2", null]'::jsonb)[1:2];
ERROR: jsonb subscript does not support slices
LINE 1: select ('[1, "2", null]'::jsonb)[1:2];
^
select ('[1, "2", null]'::jsonb)[:2];
ERROR: jsonb subscript does not support slices
LINE 1: select ('[1, "2", null]'::jsonb)[:2];
^
select ('[1, "2", null]'::jsonb)[1:];
ERROR: jsonb subscript does not support slices
LINE 1: select ('[1, "2", null]'::jsonb)[1:];
^
select ('[1, "2", null]'::jsonb)[:];
ERROR: jsonb subscript does not support slices
create TEMP TABLE test_jsonb_subscript (
id int,
test_json jsonb
);
insert into test_jsonb_subscript values
(1, '{}'), -- empty jsonb
(2, '{"key": "value"}'); -- jsonb with data
-- update empty jsonb
update test_jsonb_subscript set test_json['a'] = '1' where id = 1;
select * from test_jsonb_subscript;
id | test_json
----+------------------
2 | {"key": "value"}
1 | {"a": 1}
(2 rows)
-- update jsonb with some data
update test_jsonb_subscript set test_json['a'] = '1' where id = 2;
select * from test_jsonb_subscript;
id | test_json
----+--------------------------
1 | {"a": 1}
2 | {"a": 1, "key": "value"}
(2 rows)
-- replace jsonb
update test_jsonb_subscript set test_json['a'] = '"test"';
select * from test_jsonb_subscript;
id | test_json
----+-------------------------------
1 | {"a": "test"}
2 | {"a": "test", "key": "value"}
(2 rows)
-- replace by object
update test_jsonb_subscript set test_json['a'] = '{"b": 1}'::jsonb;
select * from test_jsonb_subscript;
id | test_json
----+---------------------------------
1 | {"a": {"b": 1}}
2 | {"a": {"b": 1}, "key": "value"}
(2 rows)
-- replace by array
update test_jsonb_subscript set test_json['a'] = '[1, 2, 3]'::jsonb;
select * from test_jsonb_subscript;
id | test_json
----+----------------------------------
1 | {"a": [1, 2, 3]}
2 | {"a": [1, 2, 3], "key": "value"}
(2 rows)
-- use jsonb subscription in where clause
select * from test_jsonb_subscript where test_json['key'] = '"value"';
id | test_json
----+----------------------------------
2 | {"a": [1, 2, 3], "key": "value"}
(1 row)
select * from test_jsonb_subscript where test_json['key_doesnt_exists'] = '"value"';
id | test_json
----+-----------
(0 rows)
select * from test_jsonb_subscript where test_json['key'] = '"wrong_value"';
id | test_json
----+-----------
(0 rows)
-- NULL
update test_jsonb_subscript set test_json[NULL] = '1';
ERROR: jsonb subscript in assignment must not be null
update test_jsonb_subscript set test_json['another_key'] = NULL;
select * from test_jsonb_subscript;
id | test_json
----+-------------------------------------------------------
1 | {"a": [1, 2, 3], "another_key": null}
2 | {"a": [1, 2, 3], "key": "value", "another_key": null}
(2 rows)
-- NULL as jsonb source
insert into test_jsonb_subscript values (3, NULL);
update test_jsonb_subscript set test_json['a'] = '1' where id = 3;
select * from test_jsonb_subscript;
id | test_json
----+-------------------------------------------------------
1 | {"a": [1, 2, 3], "another_key": null}
2 | {"a": [1, 2, 3], "key": "value", "another_key": null}
3 | {"a": 1}
(3 rows)
update test_jsonb_subscript set test_json = NULL where id = 3;
update test_jsonb_subscript set test_json[0] = '1';
select * from test_jsonb_subscript;
id | test_json
----+---------------------------------------------------------------
1 | {"0": 1, "a": [1, 2, 3], "another_key": null}
2 | {"0": 1, "a": [1, 2, 3], "key": "value", "another_key": null}
3 | [1]
(3 rows)
-- Fill the gaps logic
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '[0]');
update test_jsonb_subscript set test_json[5] = '1';
select * from test_jsonb_subscript;
id | test_json
----+--------------------------------
1 | [0, null, null, null, null, 1]
(1 row)
update test_jsonb_subscript set test_json[-4] = '1';
select * from test_jsonb_subscript;
id | test_json
----+-----------------------------
1 | [0, null, 1, null, null, 1]
(1 row)
update test_jsonb_subscript set test_json[-8] = '1';
ERROR: path element at position 1 is out of range: -8
select * from test_jsonb_subscript;
id | test_json
----+-----------------------------
1 | [0, null, 1, null, null, 1]
(1 row)
-- keep consistent values position
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '[]');
update test_jsonb_subscript set test_json[5] = '1';
select * from test_jsonb_subscript;
id | test_json
----+-----------------------------------
1 | [null, null, null, null, null, 1]
(1 row)
-- create the whole path
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '{}');
update test_jsonb_subscript set test_json['a'][0]['b'][0]['c'] = '1';
select * from test_jsonb_subscript;
id | test_json
----+----------------------------
1 | {"a": [{"b": [{"c": 1}]}]}
(1 row)
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '{}');
update test_jsonb_subscript set test_json['a'][2]['b'][2]['c'][2] = '1';
select * from test_jsonb_subscript;
id | test_json
----+------------------------------------------------------------------
1 | {"a": [null, null, {"b": [null, null, {"c": [null, null, 1]}]}]}
(1 row)
-- create the whole path with already existing keys
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '{"b": 1}');
update test_jsonb_subscript set test_json['a'][0] = '2';
select * from test_jsonb_subscript;
id | test_json
----+--------------------
1 | {"a": [2], "b": 1}
(1 row)
-- the start jsonb is an object, first subscript is treated as a key
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '{}');
update test_jsonb_subscript set test_json[0]['a'] = '1';
select * from test_jsonb_subscript;
id | test_json
----+-----------------
1 | {"0": {"a": 1}}
(1 row)
-- the start jsonb is an array
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '[]');
update test_jsonb_subscript set test_json[0]['a'] = '1';
update test_jsonb_subscript set test_json[2]['b'] = '2';
select * from test_jsonb_subscript;
id | test_json
----+----------------------------
1 | [{"a": 1}, null, {"b": 2}]
(1 row)
-- overwriting an existing path
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '{}');
update test_jsonb_subscript set test_json['a']['b'][1] = '1';
update test_jsonb_subscript set test_json['a']['b'][10] = '1';
select * from test_jsonb_subscript;
id | test_json
----+----------------------------------------------------------------------------
1 | {"a": {"b": [null, 1, null, null, null, null, null, null, null, null, 1]}}
(1 row)
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '[]');
update test_jsonb_subscript set test_json[0][0][0] = '1';
update test_jsonb_subscript set test_json[0][0][1] = '1';
select * from test_jsonb_subscript;
id | test_json
----+------------
1 | [[[1, 1]]]
(1 row)
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '{}');
update test_jsonb_subscript set test_json['a']['b'][10] = '1';
update test_jsonb_subscript set test_json['a'][10][10] = '1';
select * from test_jsonb_subscript;
id | test_json
----+------------------------------------------------------------------------------------------------------------------------------------------------------
1 | {"a": {"b": [null, null, null, null, null, null, null, null, null, null, 1], "10": [null, null, null, null, null, null, null, null, null, null, 1]}}
(1 row)
-- an empty sub element
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '{"a": {}}');
update test_jsonb_subscript set test_json['a']['b']['c'][2] = '1';
select * from test_jsonb_subscript;
id | test_json
----+--------------------------------------
1 | {"a": {"b": {"c": [null, null, 1]}}}
(1 row)
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '{"a": []}');
update test_jsonb_subscript set test_json['a'][1]['c'][2] = '1';
select * from test_jsonb_subscript;
id | test_json
----+---------------------------------------
1 | {"a": [null, {"c": [null, null, 1]}]}
(1 row)
-- trying replace assuming a composite object, but it's an element or a value
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, '{"a": 1}');
update test_jsonb_subscript set test_json['a']['b'] = '1';
ERROR: cannot replace existing key
DETAIL: The path assumes key is a composite object, but it is a scalar value.
update test_jsonb_subscript set test_json['a']['b']['c'] = '1';
ERROR: cannot replace existing key
DETAIL: The path assumes key is a composite object, but it is a scalar value.
update test_jsonb_subscript set test_json['a'][0] = '1';
ERROR: cannot replace existing key
DETAIL: The path assumes key is a composite object, but it is a scalar value.
update test_jsonb_subscript set test_json['a'][0]['c'] = '1';
ERROR: cannot replace existing key
DETAIL: The path assumes key is a composite object, but it is a scalar value.
update test_jsonb_subscript set test_json['a'][0][0] = '1';
ERROR: cannot replace existing key
DETAIL: The path assumes key is a composite object, but it is a scalar value.
-- trying replace assuming a composite object, but it's a raw scalar
delete from test_jsonb_subscript;
insert into test_jsonb_subscript values (1, 'null');
update test_jsonb_subscript set test_json[0] = '1';
ERROR: cannot replace existing key
DETAIL: The path assumes key is a composite object, but it is a scalar value.
update test_jsonb_subscript set test_json[0][0] = '1';
ERROR: cannot replace existing key
DETAIL: The path assumes key is a composite object, but it is a scalar value.
-- try some things with short-header and toasted subscript values
drop table test_jsonb_subscript;
create temp table test_jsonb_subscript (
id text,
test_json jsonb
);
insert into test_jsonb_subscript values('foo', '{"foo": "bar"}');
insert into test_jsonb_subscript
select s, ('{"' || s || '": "bar"}')::jsonb from repeat('xyzzy', 500) s;
select length(id), test_json[id] from test_jsonb_subscript;
length | test_json
--------+-----------
3 | "bar"
2500 | "bar"
(2 rows)
update test_jsonb_subscript set test_json[id] = '"baz"';
select length(id), test_json[id] from test_jsonb_subscript;
length | test_json
--------+-----------
3 | "baz"
2500 | "baz"
(2 rows)
\x
table test_jsonb_subscript;
-[ RECORD 1 ]--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
id | foo
test_json | {"foo": "baz"}
-[ RECORD 2 ]--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
id | xyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzy
test_json | {"xyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyx
