+++ /dev/null
--- Strings.
-SELECT '""'::json; -- OK.
- json
-------
- ""
-(1 row)
-
-SELECT $$''$$::json; -- ERROR, single quotes are not allowed
-ERROR: invalid input syntax for type json
-LINE 1: SELECT $$''$$::json;
- ^
-DETAIL: Token "'" is invalid.
-CONTEXT: JSON data, line 1: '...
-SELECT '"abc"'::json; -- OK
- json
--------
- "abc"
-(1 row)
-
-SELECT '"abc'::json; -- ERROR, quotes not closed
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '"abc'::json;
- ^
-DETAIL: Token ""abc" is invalid.
-CONTEXT: JSON data, line 1: "abc
-SELECT '"abc
-def"'::json; -- 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\"\\"'::json; -- OK, legal escapes
- json
-----------
- "\n\"\\"
-(1 row)
-
-SELECT '"\v"'::json; -- ERROR, not a valid JSON escape
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '"\v"'::json;
- ^
-DETAIL: Escape sequence "\v" is invalid.
-CONTEXT: JSON data, line 1: "\v...
-SELECT '"\u"'::json; -- ERROR, incomplete escape
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '"\u"'::json;
- ^
-DETAIL: "\u" must be followed by four hexadecimal digits.
-CONTEXT: JSON data, line 1: "\u"
-SELECT '"\u00"'::json; -- ERROR, incomplete escape
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '"\u00"'::json;
- ^
-DETAIL: "\u" must be followed by four hexadecimal digits.
-CONTEXT: JSON data, line 1: "\u00"
-SELECT '"\u000g"'::json; -- ERROR, g is not a hex digit
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '"\u000g"'::json;
- ^
-DETAIL: "\u" must be followed by four hexadecimal digits.
-CONTEXT: JSON data, line 1: "\u000g...
-SELECT '"\u0000"'::json; -- OK, legal escape
- json
-----------
- "\u0000"
-(1 row)
-
-SELECT '"\uaBcD"'::json; -- OK, uppercase and lower case both OK
- json
-----------
- "\uaBcD"
-(1 row)
-
--- Numbers.
-SELECT '1'::json; -- OK
- json
-------
- 1
-(1 row)
-
-SELECT '0'::json; -- OK
- json
-------
- 0
-(1 row)
-
-SELECT '01'::json; -- ERROR, not valid according to JSON spec
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '01'::json;
- ^
-DETAIL: Token "01" is invalid.
-CONTEXT: JSON data, line 1: 01
-SELECT '0.1'::json; -- OK
- json
-------
- 0.1
-(1 row)
-
-SELECT '9223372036854775808'::json; -- OK, even though it's too large for int8
- json
----------------------
- 9223372036854775808
-(1 row)
-
-SELECT '1e100'::json; -- OK
- json
--------
- 1e100
-(1 row)
-
-SELECT '1.3e100'::json; -- OK
- json
----------
- 1.3e100
-(1 row)
-
-SELECT '1f2'::json; -- ERROR
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '1f2'::json;
- ^
-DETAIL: Token "1f2" is invalid.
-CONTEXT: JSON data, line 1: 1f2
-SELECT '0.x1'::json; -- ERROR
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '0.x1'::json;
- ^
-DETAIL: Token "0.x1" is invalid.
-CONTEXT: JSON data, line 1: 0.x1
-SELECT '1.3ex100'::json; -- ERROR
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '1.3ex100'::json;
- ^
-DETAIL: Token "1.3ex100" is invalid.
-CONTEXT: JSON data, line 1: 1.3ex100
--- Arrays.
-SELECT '[]'::json; -- OK
- json
-------
- []
-(1 row)
-
-SELECT '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'::json; -- OK
- json
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
- [[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]
-(1 row)
-
-SELECT '[1,2]'::json; -- OK
- json
--------
- [1,2]
-(1 row)
-
-SELECT '[1,2,]'::json; -- ERROR, trailing comma
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '[1,2,]'::json;
- ^
-DETAIL: Expected JSON value, but found "]".
-CONTEXT: JSON data, line 1: [1,2,]
-SELECT '[1,2'::json; -- ERROR, no closing bracket
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '[1,2'::json;
- ^
-DETAIL: The input string ended unexpectedly.
-CONTEXT: JSON data, line 1: [1,2
-SELECT '[1,[2]'::json; -- ERROR, no closing bracket
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '[1,[2]'::json;
- ^
-DETAIL: The input string ended unexpectedly.
-CONTEXT: JSON data, line 1: [1,[2]
--- Objects.
-SELECT '{}'::json; -- OK
- json
-------
- {}
-(1 row)
-
-SELECT '{"abc"}'::json; -- ERROR, no value
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '{"abc"}'::json;
- ^
-DETAIL: Expected ":", but found "}".
-CONTEXT: JSON data, line 1: {"abc"}
-SELECT '{"abc":1}'::json; -- OK
- json
------------
- {"abc":1}
-(1 row)
-
-SELECT '{1:"abc"}'::json; -- ERROR, keys must be strings
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '{1:"abc"}'::json;
- ^
-DETAIL: Expected string or "}", but found "1".
-CONTEXT: JSON data, line 1: {1...
-SELECT '{"abc",1}'::json; -- ERROR, wrong separator
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '{"abc",1}'::json;
- ^
-DETAIL: Expected ":", but found ",".
-CONTEXT: JSON data, line 1: {"abc",...
-SELECT '{"abc"=1}'::json; -- ERROR, totally wrong separator
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '{"abc"=1}'::json;
- ^
-DETAIL: Token "=" is invalid.
-CONTEXT: JSON data, line 1: {"abc"=...
-SELECT '{"abc"::1}'::json; -- ERROR, another wrong separator
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '{"abc"::1}'::json;
- ^
-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]}}'::json; -- OK
- json
----------------------------------------------------------
- {"abc":1,"def":2,"ghi":[3,4],"hij":{"klm":5,"nop":[6]}}
-(1 row)
-
-SELECT '{"abc":1:2}'::json; -- ERROR, colon in wrong spot
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '{"abc":1:2}'::json;
- ^
-DETAIL: Expected "," or "}", but found ":".
-CONTEXT: JSON data, line 1: {"abc":1:...
-SELECT '{"abc":1,3}'::json; -- ERROR, no value
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '{"abc":1,3}'::json;
- ^
-DETAIL: Expected string, but found "3".
-CONTEXT: JSON data, line 1: {"abc":1,3...
--- Recursion.
-SET max_stack_depth = '100kB';
-SELECT repeat('[', 10000)::json;
-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)::json;
-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'::json; -- OK
- json
-------
- true
-(1 row)
-
-SELECT 'false'::json; -- OK
- json
--------
- false
-(1 row)
-
-SELECT 'null'::json; -- OK
- json
-------
- null
-(1 row)
-
-SELECT ' true '::json; -- OK, even with extra whitespace
- json
---------
- true
-(1 row)
-
-SELECT 'true false'::json; -- ERROR, too many values
-ERROR: invalid input syntax for type json
-LINE 1: SELECT 'true false'::json;
- ^
-DETAIL: Expected end of input, but found "false".
-CONTEXT: JSON data, line 1: true false
-SELECT 'true, false'::json; -- ERROR, too many values
-ERROR: invalid input syntax for type json
-LINE 1: SELECT 'true, false'::json;
- ^
-DETAIL: Expected end of input, but found ",".
-CONTEXT: JSON data, line 1: true,...
-SELECT 'truf'::json; -- ERROR, not a keyword
-ERROR: invalid input syntax for type json
-LINE 1: SELECT 'truf'::json;
- ^
-DETAIL: Token "truf" is invalid.
-CONTEXT: JSON data, line 1: truf
-SELECT 'trues'::json; -- ERROR, not a keyword
-ERROR: invalid input syntax for type json
-LINE 1: SELECT 'trues'::json;
- ^
-DETAIL: Token "trues" is invalid.
-CONTEXT: JSON data, line 1: trues
-SELECT ''::json; -- ERROR, no value
-ERROR: invalid input syntax for type json
-LINE 1: SELECT ''::json;
- ^
-DETAIL: The input string ended unexpectedly.
-CONTEXT: JSON data, line 1:
-SELECT ' '::json; -- ERROR, no value
-ERROR: invalid input syntax for type json
-LINE 1: SELECT ' '::json;
- ^
-DETAIL: The input string ended unexpectedly.
-CONTEXT: JSON data, line 1:
---constructors
--- array_to_json
-SELECT array_to_json(array(select 1 as a));
- array_to_json
----------------
- [1]
-(1 row)
-
-SELECT array_to_json(array_agg(q),false) from (select x as b, x * 2 as c from generate_series(1,3) x) q;
- array_to_json
----------------------------------------------
- [{"b":1,"c":2},{"b":2,"c":4},{"b":3,"c":6}]
-(1 row)
-
-SELECT array_to_json(array_agg(q),true) from (select x as b, x * 2 as c from generate_series(1,3) x) q;
- array_to_json
------------------
- [{"b":1,"c":2},+
- {"b":2,"c":4},+
- {"b":3,"c":6}]
-(1 row)
-
-SELECT array_to_json(array_agg(q),false)
- 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;
- array_to_json
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
- [{"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 array_to_json(array_agg(x),false) from generate_series(5,10) x;
- array_to_json
-----------------
- [5,6,7,8,9,10]
-(1 row)
-
-SELECT array_to_json('{{1,5},{99,100}}'::int[]);
- array_to_json
-------------------
- [[1,5],[99,100]]
-(1 row)
-
--- row_to_json
-SELECT row_to_json(row(1,'foo'));
- row_to_json
----------------------
- {"f1":1,"f2":"foo"}
-(1 row)
-
-SELECT row_to_json(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;
- row_to_json
---------------------------------------------------------------------
- {"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]}]}
-(4 rows)
-
-SELECT row_to_json(q,true)
-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;
- row_to_json
------------------------------------------------------
- {"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]}]}
-(4 rows)
-
-CREATE TEMP TABLE rows AS
-SELECT x, 'txt' || x as y
-FROM generate_series(1,3) AS x;
-SELECT row_to_json(q,true)
-FROM rows q;
- row_to_json
---------------
- {"x":1, +
- "y":"txt1"}
- {"x":2, +
- "y":"txt2"}
- {"x":3, +
- "y":"txt3"}
-(3 rows)
-
-SELECT row_to_json(row((select array_agg(x) as d from generate_series(5,10) x)),false);
- row_to_json
------------------------
- {"f1":[5,6,7,8,9,10]}
-(1 row)
-
--- to_json, timestamps
-select to_json(timestamp '2014-05-28 12:22:35.614298');
- to_json
-------------------------------
- "2014-05-28T12:22:35.614298"
-(1 row)
-
-BEGIN;
-SET LOCAL TIME ZONE 10.5;
-select to_json(timestamptz '2014-05-28 12:22:35.614298-04');
- to_json
-------------------------------------
- "2014-05-29T02:52:35.614298+10:30"
-(1 row)
-
-SET LOCAL TIME ZONE -8;
-select to_json(timestamptz '2014-05-28 12:22:35.614298-04');
- to_json
-------------------------------------
- "2014-05-28T08:22:35.614298-08:00"
-(1 row)
-
-COMMIT;
-select to_json(date '2014-05-28');
- to_json
---------------
- "2014-05-28"
-(1 row)
-
-select to_json(date 'Infinity');
- to_json
-------------
- "infinity"
-(1 row)
-
-select to_json(timestamp 'Infinity');
- to_json
-------------
- "infinity"
-(1 row)
-
-select to_json(timestamptz 'Infinity');
- to_json
-------------
- "infinity"
-(1 row)
-
---json_agg
-SELECT json_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;
- json_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 json_agg(q ORDER BY x, y)
- FROM rows q;
- json_agg
------------------------
- [{"x":1,"y":"txt1"}, +
- {"x":2,"y":"txt2"}, +
- {"x":3,"y":"txt3"}]
-(1 row)
-
-UPDATE rows SET x = NULL WHERE x = 1;
-SELECT json_agg(q ORDER BY x NULLS FIRST, y)
- FROM rows q;
- json_agg
---------------------------
- [{"x":null,"y":"txt1"}, +
- {"x":2,"y":"txt2"}, +
- {"x":3,"y":"txt3"}]
-(1 row)
-
--- non-numeric output
-SELECT row_to_json(q)
-FROM (SELECT 'NaN'::float8 AS "float8field") q;
- row_to_json
------------------------
- {"float8field":"NaN"}
-(1 row)
-
-SELECT row_to_json(q)
-FROM (SELECT 'Infinity'::float8 AS "float8field") q;
- row_to_json
-----------------------------
- {"float8field":"Infinity"}
-(1 row)
-
-SELECT row_to_json(q)
-FROM (SELECT '-Infinity'::float8 AS "float8field") q;
- row_to_json
------------------------------
- {"float8field":"-Infinity"}
-(1 row)
-
--- json input
-SELECT row_to_json(q)
-FROM (SELECT '{"a":1,"b": [2,3,4,"d","e","f"],"c":{"p":1,"q":2}}'::json AS "jsonfield") q;
- row_to_json
-------------------------------------------------------------------
- {"jsonfield":{"a":1,"b": [2,3,4,"d","e","f"],"c":{"p":1,"q":2}}}
-(1 row)
-
--- json extraction functions
-CREATE TEMP TABLE test_json (
- json_type text,
- test_json json
-);
-INSERT INTO test_json 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_json
-WHERE json_type = 'scalar';
- ?column?
-----------
-
-(1 row)
-
-SELECT test_json -> 'x'
-FROM test_json
-WHERE json_type = 'array';
- ?column?
-----------
-
-(1 row)
-
-SELECT test_json -> 'x'
-FROM test_json
-WHERE json_type = 'object';
- ?column?
-----------
-
-(1 row)
-
-SELECT test_json->'field2'
-FROM test_json
-WHERE json_type = 'object';
- ?column?
-----------
- "val2"
-(1 row)
-
-SELECT test_json->>'field2'
-FROM test_json
-WHERE json_type = 'object';
- ?column?
-----------
- val2
-(1 row)
-
-SELECT test_json -> 2
-FROM test_json
-WHERE json_type = 'scalar';
- ?column?
-----------
-
-(1 row)
-
-SELECT test_json -> 2
-FROM test_json
-WHERE json_type = 'array';
- ?column?
-----------
- "two"
-(1 row)
-
-SELECT test_json -> -1
-FROM test_json
-WHERE json_type = 'array';
- ?column?
-----------
- {"f1":9}
-(1 row)
-
-SELECT test_json -> 2
-FROM test_json
-WHERE json_type = 'object';
- ?column?
-----------
-
-(1 row)
-
-SELECT test_json->>2
-FROM test_json
-WHERE json_type = 'array';
- ?column?
-----------
- two
-(1 row)
-
-SELECT test_json ->> 6 FROM test_json WHERE json_type = 'array';
- ?column?
-----------
- [1,2,3]
-(1 row)
-
-SELECT test_json ->> 7 FROM test_json WHERE json_type = 'array';
- ?column?
-----------
- {"f1":9}
-(1 row)
-
-SELECT test_json ->> 'field4' FROM test_json WHERE json_type = 'object';
- ?column?
-----------
- 4
-(1 row)
-
-SELECT test_json ->> 'field5' FROM test_json WHERE json_type = 'object';
- ?column?
-----------
- [1,2,3]
-(1 row)
-
-SELECT test_json ->> 'field6' FROM test_json WHERE json_type = 'object';
- ?column?
-----------
- {"f1":9}
-(1 row)
-
-SELECT json_object_keys(test_json)
-FROM test_json
-WHERE json_type = 'scalar';
-ERROR: cannot call json_object_keys on a scalar
-SELECT json_object_keys(test_json)
-FROM test_json
-WHERE json_type = 'array';
-ERROR: cannot call json_object_keys on an array
-SELECT json_object_keys(test_json)
-FROM test_json
-WHERE json_type = 'object';
- json_object_keys
-------------------
- field1
- field2
- field3
- field4
- field5
- field6
-(6 rows)
-
--- test extending object_keys resultset - initial resultset size is 256
-select count(*) from
- (select json_object_keys(json_object(array_agg(g)))
- from (select unnest(array['f'||n,n::text])as g
- from generate_series(1,300) as n) x ) y;
- count
--------
- 300
-(1 row)
-
--- nulls
-select (test_json->'field3') is null as expect_false
-from test_json
-where json_type = 'object';
- expect_false
---------------
- f
-(1 row)
-
-select (test_json->>'field3') is null as expect_true
-from test_json
-where json_type = 'object';
- expect_true
--------------
- t
-(1 row)
-
-select (test_json->3) is null as expect_false
-from test_json
-where json_type = 'array';
- expect_false
---------------
- f
-(1 row)
-
-select (test_json->>3) is null as expect_true
-from test_json
-where json_type = 'array';
- expect_true
--------------
- t
-(1 row)
-
--- corner cases
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> null::text;
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> null::int;
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> 1;
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> -1;
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> 'z';
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json -> '';
- ?column?
-----------
-
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json -> 1;
- ?column?
--------------
- {"b": "cc"}
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json -> 3;
- ?column?
-----------
-
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json -> 'z';
- ?column?
-----------
-
-(1 row)
-
-select '{"a": "c", "b": null}'::json -> 'b';
- ?column?
-----------
- null
-(1 row)
-
-select '"foo"'::json -> 1;
- ?column?
-----------
-
-(1 row)
-
-select '"foo"'::json -> 'z';
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> null::text;
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> null::int;
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> 1;
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> 'z';
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json ->> '';
- ?column?
-----------
-
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json ->> 1;
- ?column?
--------------
- {"b": "cc"}
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json ->> 3;
- ?column?
-----------
-
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json ->> 'z';
- ?column?
-----------
-
-(1 row)
-
-select '{"a": "c", "b": null}'::json ->> 'b';
- ?column?
-----------
-
-(1 row)
-
-select '"foo"'::json ->> 1;
- ?column?
-----------
-
-(1 row)
-
-select '"foo"'::json ->> 'z';
- ?column?
-----------
-
-(1 row)
-
--- array length
-SELECT json_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]');
- json_array_length
--------------------
- 5
-(1 row)
-
-SELECT json_array_length('[]');
- json_array_length
--------------------
- 0
-(1 row)
-
-SELECT json_array_length('{"f1":1,"f2":[5,6]}');
-ERROR: cannot get array length of a non-array
-SELECT json_array_length('4');
-ERROR: cannot get array length of a scalar
--- each
-select json_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}');
- json_each
--------------------
- (f1,"[1,2,3]")
- (f2,"{""f3"":1}")
- (f4,null)
-(3 rows)
-
-select * from json_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 json_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":"null"}');
- json_each_text
--------------------
- (f1,"[1,2,3]")
- (f2,"{""f3"":1}")
- (f4,)
- (f5,null)
-(4 rows)
-
-select * from json_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)
-
--- extract_path, extract_path_as_text
-select json_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
- json_extract_path
--------------------
- "stringy"
-(1 row)
-
-select json_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
- json_extract_path
--------------------
- {"f3":1}
-(1 row)
-
-select json_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
- json_extract_path
--------------------
- "f3"
-(1 row)
-
-select json_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
- json_extract_path
--------------------
- 1
-(1 row)
-
-select json_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6');
- json_extract_path_text
-------------------------
- stringy
-(1 row)
-
-select json_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2');
- json_extract_path_text
-------------------------
- {"f3":1}
-(1 row)
-
-select json_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text);
- json_extract_path_text
-------------------------
- f3
-(1 row)
-
-select json_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text);
- json_extract_path_text
-------------------------
- 1
-(1 row)
-
--- extract_path nulls
-select json_extract_path('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') is null as expect_false;
- expect_false
---------------
- f
-(1 row)
-
-select json_extract_path_text('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') is null as expect_true;
- expect_true
--------------
- t
-(1 row)
-
-select json_extract_path('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') is null as expect_false;
- expect_false
---------------
- f
-(1 row)
-
-select json_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"}}'::json#>array['f4','f6'];
- ?column?
------------
- "stringy"
-(1 row)
-
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::json#>array['f2'];
- ?column?
-----------
- {"f3":1}
-(1 row)
-
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>array['f2','0'];
- ?column?
-----------
- "f3"
-(1 row)
-
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>array['f2','1'];
- ?column?
-----------
- 1
-(1 row)
-
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f4','f6'];
- ?column?
-----------
- stringy
-(1 row)
-
-select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f2'];
- ?column?
-----------
- {"f3":1}
-(1 row)
-
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f2','0'];
- ?column?
-----------
- f3
-(1 row)
-
-select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f2','1'];
- ?column?
-----------
- 1
-(1 row)
-
--- corner cases for same
-select '{"a": {"b":{"c": "foo"}}}'::json #> '{}';
- ?column?
----------------------------
- {"a": {"b":{"c": "foo"}}}
-(1 row)
-
-select '[1,2,3]'::json #> '{}';
- ?column?
-----------
- [1,2,3]
-(1 row)
-
-select '"foo"'::json #> '{}';
- ?column?
-----------
- "foo"
-(1 row)
-
-select '42'::json #> '{}';
- ?column?
-----------
- 42
-(1 row)
-
-select 'null'::json #> '{}';
- ?column?
-----------
- null
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #> array['a'];
- ?column?
---------------------
- {"b":{"c": "foo"}}
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #> array['a', null];
- ?column?
-----------
-
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #> array['a', ''];
- ?column?
-----------
-
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','b'];
- ?column?
---------------
- {"c": "foo"}
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','b','c'];
- ?column?
-----------
- "foo"
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','b','c','d'];
- ?column?
-----------
-
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','z','c'];
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json #> array['a','1','b'];
- ?column?
-----------
- "cc"
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json #> array['a','z','b'];
- ?column?
-----------
-
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json #> array['1','b'];
- ?column?
-----------
- "cc"
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json #> array['z','b'];
- ?column?
-----------
-
-(1 row)
-
-select '[{"b": "c"}, {"b": null}]'::json #> array['1','b'];
- ?column?
-----------
- null
-(1 row)
-
-select '"foo"'::json #> array['z'];
- ?column?
-----------
-
-(1 row)
-
-select '42'::json #> array['f2'];
- ?column?
-----------
-
-(1 row)
-
-select '42'::json #> array['0'];
- ?column?
-----------
-
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #>> '{}';
- ?column?
----------------------------
- {"a": {"b":{"c": "foo"}}}
-(1 row)
-
-select '[1,2,3]'::json #>> '{}';
- ?column?
-----------
- [1,2,3]
-(1 row)
-
-select '"foo"'::json #>> '{}';
- ?column?
-----------
- foo
-(1 row)
-
-select '42'::json #>> '{}';
- ?column?
-----------
- 42
-(1 row)
-
-select 'null'::json #>> '{}';
- ?column?
-----------
-
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a'];
- ?column?
---------------------
- {"b":{"c": "foo"}}
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a', null];
- ?column?
-----------
-
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a', ''];
- ?column?
-----------
-
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','b'];
- ?column?
---------------
- {"c": "foo"}
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','b','c'];
- ?column?
-----------
- foo
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','b','c','d'];
- ?column?
-----------
-
-(1 row)
-
-select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','z','c'];
- ?column?
-----------
-
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json #>> array['a','1','b'];
- ?column?
-----------
- cc
-(1 row)
-
-select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json #>> array['a','z','b'];
- ?column?
-----------
-
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json #>> array['1','b'];
- ?column?
-----------
- cc
-(1 row)
-
-select '[{"b": "c"}, {"b": "cc"}]'::json #>> array['z','b'];
- ?column?
-----------
-
-(1 row)
-
-select '[{"b": "c"}, {"b": null}]'::json #>> array['1','b'];
- ?column?
-----------
-
-(1 row)
-
-select '"foo"'::json #>> array['z'];
- ?column?
-----------
-
-(1 row)
-
-select '42'::json #>> array['f2'];
- ?column?
-----------
-
-(1 row)
-
-select '42'::json #>> array['0'];
- ?column?
-----------
-
-(1 row)
-
--- array_elements
-select json_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]');
- json_array_elements
------------------------
- 1
- true
- [1,[2,3]]
- null
- {"f1":1,"f2":[7,8,9]}
- false
- "stringy"
-(7 rows)
-
-select * from json_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q;
- value
------------------------
- 1
- true
- [1,[2,3]]
- null
- {"f1":1,"f2":[7,8,9]}
- false
- "stringy"
-(7 rows)
-
-select json_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]');
- json_array_elements_text
---------------------------
- 1
- true
- [1,[2,3]]
-
- {"f1":1,"f2":[7,8,9]}
- false
- stringy
-(7 rows)
-
-select * from json_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 jpop as (a text, b int, c timestamp);
-select * from json_populate_record(null::jpop,'{"a":"blurfl","x":43.2}') q;
- a | b | c
---------+---+---
- blurfl | |
-(1 row)
-
-select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":"blurfl","x":43.2}') q;
- a | b | c
---------+---+--------------------------
- blurfl | 3 | Mon Dec 31 15:30:56 2012
-(1 row)
-
-select * from json_populate_record(null::jpop,'{"a":"blurfl","x":43.2}') q;
- a | b | c
---------+---+---
- blurfl | |
-(1 row)
-
-select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":"blurfl","x":43.2}') q;
- a | b | c
---------+---+--------------------------
- blurfl | 3 | Mon Dec 31 15:30:56 2012
-(1 row)
-
-select * from json_populate_record(null::jpop,'{"a":[100,200,false],"x":43.2}') q;
- a | b | c
------------------+---+---
- [100,200,false] | |
-(1 row)
-
-select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"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 json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"c":[100,200,false],"x":43.2}') q;
-ERROR: invalid input syntax for type timestamp: "[100,200,false]"
--- populate_recordset
-select * from json_populate_recordset(null::jpop,'[{"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 json_populate_recordset(row('def',99,null)::jpop,'[{"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 json_populate_recordset(null::jpop,'[{"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 json_populate_recordset(row('def',99,null)::jpop,'[{"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 json_populate_recordset(row('def',99,null)::jpop,'[{"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 json_populate_recordset(row('def',99,null)::jpop,'[{"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]"
-create type jpop2 as (a int, b json, c int, d int);
-select * from json_populate_recordset(null::jpop2, '[{"a":2,"c":3,"b":{"z":4},"d":6}]') q;
- a | b | c | d
----+---------+---+---
- 2 | {"z":4} | 3 | 6
-(1 row)
-
-select * from json_populate_recordset(null::jpop,'[{"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 json_populate_recordset(row('def',99,null)::jpop,'[{"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 json_populate_recordset(row('def',99,null)::jpop,'[{"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)
-
--- handling of unicode surrogate pairs
-select json '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a' as correct_in_utf8;
-ERROR: unsupported Unicode escape sequence
-DETAIL: Unicode escape values cannot be used for code point values above 007F when the server encoding is not UTF8.
-CONTEXT: JSON data, line 1: { "a":...
-select json '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
-ERROR: invalid input syntax for type json
-DETAIL: Unicode high surrogate must not follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
-select json '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
-ERROR: invalid input syntax for type json
-DETAIL: Unicode low surrogate must follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
-select json '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
-ERROR: invalid input syntax for type json
-DETAIL: Unicode low surrogate must follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
-select json '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
-ERROR: invalid input syntax for type json
-DETAIL: Unicode low surrogate must follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
---handling of simple unicode escapes
-select json '{ "a": "the Copyright \u00a9 sign" }' as correct_in_utf8;
- correct_in_utf8
----------------------------------------
- { "a": "the Copyright \u00a9 sign" }
-(1 row)
-
-select json '{ "a": "dollar \u0024 character" }' as correct_everywhere;
- correct_everywhere
--------------------------------------
- { "a": "dollar \u0024 character" }
-(1 row)
-
-select json '{ "a": "dollar \\u0024 character" }' as not_an_escape;
- not_an_escape
---------------------------------------
- { "a": "dollar \\u0024 character" }
-(1 row)
-
-select json '{ "a": "null \u0000 escape" }' as not_unescaped;
- not_unescaped
---------------------------------
- { "a": "null \u0000 escape" }
-(1 row)
-
-select json '{ "a": "null \\u0000 escape" }' as not_an_escape;
- not_an_escape
----------------------------------
- { "a": "null \\u0000 escape" }
-(1 row)
-
-select json '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
-ERROR: unsupported Unicode escape sequence
-DETAIL: Unicode escape values cannot be used for code point values above 007F when the server encoding is not UTF8.
-CONTEXT: JSON data, line 1: { "a":...
-select json '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
- correct_everywhere
---------------------
- dollar $ character
-(1 row)
-
-select json '{ "a": "dollar \\u0024 character" }' ->> 'a' as not_an_escape;
- not_an_escape
--------------------------
- dollar \u0024 character
-(1 row)
-
-select json '{ "a": "null \u0000 escape" }' ->> 'a' as fails;
-ERROR: unsupported Unicode escape sequence
-DETAIL: \u0000 cannot be converted to text.
-CONTEXT: JSON data, line 1: { "a":...
-select json '{ "a": "null \\u0000 escape" }' ->> 'a' as not_an_escape;
- not_an_escape
---------------------
- null \u0000 escape
-(1 row)
-
---json_typeof() function
-select value, json_typeof(value)
- from (values (json '123.4'),
- (json '-1'),
- (json '"foo"'),
- (json 'true'),
- (json 'false'),
- (json 'null'),
- (json '[1, 2, 3]'),
- (json '[]'),
- (json '{"x":"foo", "y":123}'),
- (json '{}'),
- (NULL::json))
- as data(value);
- value | json_typeof
-----------------------+-------------
- 123.4 | number
- -1 | number
- "foo" | string
- true | boolean
- false | boolean
- null | null
- [1, 2, 3] | array
- [] | array
- {"x":"foo", "y":123} | object
- {} | object
- |
-(11 rows)
-
--- json_build_array, json_build_object, json_object_agg
-SELECT json_build_array('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}');
- json_build_array
------------------------------------------------------------------------
- ["a", 1, "b", 1.2, "c", true, "d", null, "e", {"x": 3, "y": [1,2,3]}]
-(1 row)
-
-SELECT json_build_object('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}');
- json_build_object
-----------------------------------------------------------------------------
- {"a" : 1, "b" : 1.2, "c" : true, "d" : null, "e" : {"x": 3, "y": [1,2,3]}}
-(1 row)
-
-SELECT json_build_object(
- 'a', json_build_object('b',false,'c',99),
- 'd', json_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)));
- json_build_object
--------------------------------------------------------------------------------------------------
- {"a" : {"b" : false, "c" : 99}, "d" : {"e" : [9,8,7], "f" : {"relkind":"r","name":"pg_class"}}}
-(1 row)
-
--- empty objects/arrays
-SELECT json_build_array();
- json_build_array
-------------------
- []
-(1 row)
-
-SELECT json_build_object();
- json_build_object
--------------------
- {}
-(1 row)
-
--- make sure keys are quoted
-SELECT json_build_object(1,2);
- json_build_object
--------------------
- {"1" : 2}
-(1 row)
-
--- keys must be scalar and not null
-SELECT json_build_object(null,2);
-ERROR: argument 1 cannot be null
-HINT: Object keys should be text.
-SELECT json_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 json_build_object(json '{"a":1,"b":2}', 3);
-ERROR: key value must be scalar, not array, composite, or json
-SELECT json_build_object('{1,2,3}'::int[], 3);
-ERROR: key value must be scalar, not array, composite, or json
-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 json_build_object('turbines',json_object_agg(serial_num,json_build_object('name',name,'type',type)))
-FROM foo;
- json_build_object
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
- {"turbines" : { "847001" : {"name" : "t15", "type" : "GE1043"}, "847002" : {"name" : "t16", "type" : "GE1043"}, "847003" : {"name" : "sub-alpha", "type" : "GESS90"} }}
-(1 row)
-
-SELECT json_object_agg(name, type) FROM foo;
- json_object_agg
-----------------------------------------------------------------
- { "t15" : "GE1043", "t16" : "GE1043", "sub-alpha" : "GESS90" }
-(1 row)
-
-INSERT INTO foo VALUES (999999, NULL, 'bar');
-SELECT json_object_agg(name, type) FROM foo;
-ERROR: field name must not be null
--- json_object
--- one dimension
-SELECT json_object('{a,1,b,2,3,NULL,"d e f","a b c"}');
- json_object
--------------------------------------------------------
- {"a" : "1", "b" : "2", "3" : null, "d e f" : "a b c"}
-(1 row)
-
--- same but with two dimensions
-SELECT json_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}');
- json_object
--------------------------------------------------------
- {"a" : "1", "b" : "2", "3" : null, "d e f" : "a b c"}
-(1 row)
-
--- odd number error
-SELECT json_object('{a,b,c}');
-ERROR: array must have even number of elements
--- one column error
-SELECT json_object('{{a},{b}}');
-ERROR: array must have two columns
--- too many columns error
-SELECT json_object('{{a,b,c},{b,c,d}}');
-ERROR: array must have two columns
--- too many dimensions error
-SELECT json_object('{{{a,b},{c,d}},{{b,c},{d,e}}}');
-ERROR: wrong number of array subscripts
---two argument form of json_object
-select json_object('{a,b,c,"d e f"}','{1,2,3,"a b c"}');
- json_object
-------------------------------------------------------
- {"a" : "1", "b" : "2", "c" : "3", "d e f" : "a b c"}
-(1 row)
-
--- too many dimensions
-SELECT json_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 json_object('{a,b,c,"d e f",g}','{1,2,3,"a b c"}');
-ERROR: mismatched array dimensions
-select json_object('{a,b,c,"d e f"}','{1,2,3,"a b c",g}');
-ERROR: mismatched array dimensions
--- null key error
-select json_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 json_object('{a,b,"","d e f"}','{1,2,3,"a b c"}');
- json_object
------------------------------------------------------
- {"a" : "1", "b" : "2", "" : "3", "d e f" : "a b c"}
-(1 row)
-
--- json_to_record and json_to_recordset
-select * from json_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 json_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 * from json_to_recordset('[{"a":1,"b":{"d":"foo"},"c":true},{"a":2,"c":false,"b":{"d":"bar"}}]')
- as x(a int, b json, c boolean);
- a | b | c
----+-------------+---
- 1 | {"d":"foo"} | t
- 2 | {"d":"bar"} | f
-(2 rows)
-
--- json_strip_nulls
-select json_strip_nulls(null);
- json_strip_nulls
-------------------
-
-(1 row)
-
-select json_strip_nulls('1');
- json_strip_nulls
-------------------
- 1
-(1 row)
-
-select json_strip_nulls('"a string"');
- json_strip_nulls
-------------------
- "a string"
-(1 row)
-
-select json_strip_nulls('null');
- json_strip_nulls
-------------------
- null
-(1 row)
-
-select json_strip_nulls('[1,2,null,3,4]');
- json_strip_nulls
-------------------
- [1,2,null,3,4]
-(1 row)
-
-select json_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}');
- json_strip_nulls
-------------------------------------
- {"a":1,"c":[2,null,3],"d":{"e":4}}
-(1 row)
-
-select json_strip_nulls('[1,{"a":1,"b":null,"c":2},3]');
- json_strip_nulls
----------------------
- [1,{"a":1,"c":2},3]
-(1 row)
-
--- an empty object is not null and should not be stripped
-select json_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }');
- json_strip_nulls
-------------------
- {"a":{},"d":{}}
-(1 row)
-
+++ /dev/null
--- 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...
-SELECT '"\u"'::jsonb; -- ERROR, incomplete escape
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '"\u"'::jsonb;
- ^
-DETAIL: "\u" must be followed by four hexadecimal digits.
-CONTEXT: JSON data, line 1: "\u"
-SELECT '"\u00"'::jsonb; -- ERROR, incomplete escape
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '"\u00"'::jsonb;
- ^
-DETAIL: "\u" must be followed by four hexadecimal digits.
-CONTEXT: JSON data, line 1: "\u00"
-SELECT '"\u000g"'::jsonb; -- ERROR, g is not a hex digit
-ERROR: invalid input syntax for type json
-LINE 1: SELECT '"\u000g"'::jsonb;
- ^
-DETAIL: "\u" must be followed by four hexadecimal digits.
-CONTEXT: JSON data, line 1: "\u000g...
-SELECT '"\u0045"'::jsonb; -- OK, legal escape
- jsonb
--------
- "E"
-(1 row)
-
-SELECT '"\u0000"'::jsonb; -- ERROR, we don't support U+0000
-ERROR: unsupported Unicode escape sequence
-LINE 1: SELECT '"\u0000"'::jsonb;
- ^
-DETAIL: \u0000 cannot be converted to text.
-CONTEXT: JSON data, line 1: ...
--- use octet_length here so we don't get an odd unicode char in the
--- output
-SELECT octet_length('"\uaBcD"'::jsonb::text); -- OK, uppercase and lower case both OK
-ERROR: unsupported Unicode escape sequence
-LINE 1: SELECT octet_length('"\uaBcD"'::jsonb::text);
- ^
-DETAIL: Unicode escape values cannot be used for code point values above 007F when the server encoding is not UTF8.
-CONTEXT: JSON data, line 1: ...
--- 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:
--- 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)
-
--- 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(timestamp 'Infinity');
- to_jsonb
-------------
- "infinity"
-(1 row)
-
-select to_jsonb(timestamptz 'Infinity');
- to_jsonb
-------------
- "infinity"
-(1 row)
-
---jsonb_agg
-CREATE TEMP TABLE rows AS
-SELECT x, 'txt' || x as y
-FROM generate_series(1,3) AS x;
-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 '{"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)
-
--- 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_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)
-
--- 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: arg 1: key cannot 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
-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
--- jsonb_object
--- 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);
-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]"
--- 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)
-
--- handling of unicode surrogate pairs
-SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8;
-ERROR: unsupported Unicode escape sequence
-LINE 1: SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc3...
- ^
-DETAIL: Unicode escape values cannot be used for code point values above 007F when the server encoding is not UTF8.
-CONTEXT: JSON data, line 1: { "a":...
-SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
-ERROR: invalid input syntax for type json
-LINE 1: SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a';
- ^
-DETAIL: Unicode high surrogate must not follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
-SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
-ERROR: invalid input syntax for type json
-LINE 1: SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a';
- ^
-DETAIL: Unicode low surrogate must follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
-SELECT jsonb '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
-ERROR: invalid input syntax for type json
-LINE 1: SELECT jsonb '{ "a": "\ud83dX" }' -> 'a';
- ^
-DETAIL: Unicode low surrogate must follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
-SELECT jsonb '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
-ERROR: invalid input syntax for type json
-LINE 1: SELECT jsonb '{ "a": "\ude04X" }' -> 'a';
- ^
-DETAIL: Unicode low surrogate must follow a high surrogate.
-CONTEXT: JSON data, line 1: { "a":...
--- handling of simple unicode escapes
-SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' as correct_in_utf8;
-ERROR: unsupported Unicode escape sequence
-LINE 1: SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' as corr...
- ^
-DETAIL: Unicode escape values cannot be used for code point values above 007F when the server encoding is not UTF8.
-CONTEXT: JSON data, line 1: { "a":...
-SELECT jsonb '{ "a": "dollar \u0024 character" }' as correct_everywhere;
- correct_everywhere
------------------------------
- {"a": "dollar $ character"}
-(1 row)
-
-SELECT jsonb '{ "a": "dollar \\u0024 character" }' as not_an_escape;
- not_an_escape
------------------------------------
- {"a": "dollar \\u0024 character"}
-(1 row)
-
-SELECT jsonb '{ "a": "null \u0000 escape" }' as fails;
-ERROR: unsupported Unicode escape sequence
-LINE 1: SELECT jsonb '{ "a": "null \u0000 escape" }' as fails;
- ^
-DETAIL: \u0000 cannot be converted to text.
-CONTEXT: JSON data, line 1: { "a":...
-SELECT jsonb '{ "a": "null \\u0000 escape" }' as not_an_escape;
- not_an_escape
-------------------------------
- {"a": "null \\u0000 escape"}
-(1 row)
-
-SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
-ERROR: unsupported Unicode escape sequence
-LINE 1: SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a'...
- ^
-DETAIL: Unicode escape values cannot be used for code point values above 007F when the server encoding is not UTF8.
-CONTEXT: JSON data, line 1: { "a":...
-SELECT jsonb '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
- correct_everywhere
---------------------
- dollar $ character
-(1 row)
-
-SELECT jsonb '{ "a": "dollar \\u0024 character" }' ->> 'a' as not_an_escape;
- not_an_escape
--------------------------
- dollar \u0024 character
-(1 row)
-
-SELECT jsonb '{ "a": "null \u0000 escape" }' ->> 'a' as fails;
-ERROR: unsupported Unicode escape sequence
-LINE 1: SELECT jsonb '{ "a": "null \u0000 escape" }' ->> 'a' as fai...
- ^
-DETAIL: \u0000 cannot be converted to text.
-CONTEXT: JSON data, line 1: { "a":...
-SELECT jsonb '{ "a": "null \\u0000 escape" }' ->> 'a' as not_an_escape;
- not_an_escape
---------------------
- null \u0000 escape
-(1 row)
-
--- 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)
-
--- 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)
-
-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)
-
--- 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 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)
-
-RESET enable_seqscan;
-DROP INDEX jidx;
--- nested tests
-SELECT '{"ff":{"a":12,"b":16}}'::jsonb;
- jsonb
-----------------------------
- {"ff": {"a": 12, "b": 16}}
-(1 row)
-
-SELECT '{"ff":{"a":12,"b":16},"qq":123}'::jsonb;
- jsonb
----------------------------------------
- {"ff": {"a": 12, "b": 16}, "qq": 123}
-(1 row)
-
-SELECT '{"aa":["a","aaa"],"qq":{"a":12,"b":16,"c":["c1","c2"],"d":{"d1":"d1","d2":"d2","d1":"d3"}}}'::jsonb;
- jsonb
---------------------------------------------------------------------------------------------------
- {"aa": ["a", "aaa"], "qq": {"a": 12, "b": 16, "c": ["c1", "c2"], "d": {"d1": "d3", "d2": "d2"}}}
-(1 row)
-
-SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2"],"d":{"d1":"d1","d2":"d2"}}}'::jsonb;
- jsonb
-------------------------------------------------------------------------------------------------------
- {"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2"], "d": {"d1": "d1", "d2": "d2"}}}
-(1 row)
-
-SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2",["c3"],{"c4":4}],"d":{"d1":"d1","d2":"d2"}}}'::jsonb;
- jsonb
--------------------------------------------------------------------------------------------------------------------------
- {"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2", ["c3"], {"c4": 4}], "d": {"d1": "d1", "d2": "d2"}}}
-(1 row)
-
-SELECT '{"ff":["a","aaa"]}'::jsonb;
- jsonb
-----------------------
- {"ff": ["a", "aaa"]}
-(1 row)
-
-SELECT
- '{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'ff',
- '{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'qq',
- ('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'Y') IS NULL AS f,
- ('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb ->> 'Y') IS NULL AS t,
- '{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'x';
- ?column? | ?column? | f | t | ?column?
---------------------+----------+---+---+----------
- {"a": 12, "b": 16} | 123 | f | t | [1, 2]
-(1 row)
-
--- nested containment
-SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1,2]}';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '{"a":[2,1],"c":"b"}'::jsonb @> '{"a":[1,2]}';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":[1,2]}';
- ?column?
-----------
- f
-(1 row)
-
-SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":[1,2]}';
- ?column?
-----------
- f
-(1 row)
-
-SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":{"1":2}}';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":{"1":2}}';
- ?column?
-----------
- f
-(1 row)
-
-SELECT '["a","b"]'::jsonb @> '["a","b","c","b"]';
- ?column?
-----------
- f
-(1 row)
-
-SELECT '["a","b","c","b"]'::jsonb @> '["a","b"]';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '["a","b","c",[1,2]]'::jsonb @> '["a",[1,2]]';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '["a","b","c",[1,2]]'::jsonb @> '["b",[1,2]]';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1]}';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[2]}';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[3]}';
- ?column?
-----------
- f
-(1 row)
-
-SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"c":3}]}';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4}]}';
- ?column?
-----------
- t
-(1 row)
-
-SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},3]}';
- ?column?
-----------
- f
-(1 row)
-
-SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},1]}';
- ?column?
-----------
- t
-(1 row)
-
--- nested object field / array index lookup
-SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'n';
- ?column?
-----------
- null
-(1 row)
-
-SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'a';
- ?column?
-----------
- 1
-(1 row)
-
-SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'b';
- ?column?
-----------
- [1, 2]
-(1 row)
-
-SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'c';
- ?column?
-----------
- {"1": 2}
-(1 row)
-
-SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd';
- ?column?
----------------
- {"1": [2, 3]}
-(1 row)
-
-SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd' -> '1';
- ?column?
-----------
- [2, 3]
-(1 row)
-
-SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'e';
- ?column?
-----------
-
-(1 row)
-
-SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 0; --expecting error
- ?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)
-
-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}';
-ERROR: invalid concatenation of jsonb objects
-select '{"a":1}' || '"a"'::jsonb;
-ERROR: invalid concatenation of jsonb objects
-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 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 the 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 the 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 '{"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 the position 2 is not an integer
-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 subscript
-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)
-
--- 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 the position 2 is not an integer
-select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, non_integer}', '"new_value"');
-ERROR: path element at the position 3 is not an integer
-select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, NULL}', '"new_value"');
-ERROR: path element at the position 3 is NULL
projects / postgresql.git / commitdiff