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Postgres FD Implementation
Commit b6363772 authored by Andrew Dunstan's avatar Andrew Dunstan
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Factor out encoding specific tests for json 

This lets us remove the large alternative results files for the main
json and jsonb tests, which makes modifying those tests simpler for
committers and patch submitters.

Backpatch to 9.4 for jsonb and 9.3 for json.
parent 1ea0c73c
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src/test/regress/expected/json.out
View file @ b6363772
...@@ -42,36 +42,7 @@ LINE 1: SELECT '"\v"'::json; ...@@ -42,36 +42,7 @@ LINE 1: SELECT '"\v"'::json;
^ ^
DETAIL: Escape sequence "\v" is invalid. DETAIL: Escape sequence "\v" is invalid.
CONTEXT: JSON data, line 1: "\v... CONTEXT: JSON data, line 1: "\v...
SELECT '"\u"'::json; -- ERROR, incomplete escape -- see json_encoding test for input with unicode escapes
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. -- Numbers.
SELECT '1'::json; -- OK SELECT '1'::json; -- OK
json json
...@@ -1419,88 +1390,6 @@ select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":[100,200,3 ...@@ -1419,88 +1390,6 @@ select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":[100,200,3
{"z":true} | 3 | Fri Jan 20 10:42:53 2012 {"z":true} | 3 | Fri Jan 20 10:42:53 2012
(2 rows) (2 rows)
-- handling of unicode surrogate pairs
select json '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a' as correct_in_utf8;
correct_in_utf8
----------------------------
"\ud83d\ude04\ud83d\udc36"
(1 row)
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;
correct_in_utf8
----------------------
the Copyright © sign
(1 row)
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 --json_typeof() function
select value, json_typeof(value) select value, json_typeof(value)
from (values (json '123.4'), from (values (json '123.4'),
......
src/test/regress/expected/json_1.out deleted 100644 → 0
View file @ 1ea0c73c
-- 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)
src/test/regress/expected/json_encoding.out 0 → 100644
View file @ b6363772
-- encoding-sensitive tests for json and jsonb
-- first json
-- basic unicode input
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)
-- handling of unicode surrogate pairs
select json '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a' as correct_in_utf8;
correct_in_utf8
----------------------------
"\ud83d\ude04\ud83d\udc36"
(1 row)
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;
correct_in_utf8
----------------------
the Copyright © sign
(1 row)
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)
-- then jsonb
-- basic unicode input
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
octet_length
--------------
5
(1 row)
-- handling of unicode surrogate pairs
SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8;
correct_in_utf8
-----------------
10
(1 row)
SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
ERROR: invalid input syntax for type json
LINE 1: SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a';
^
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;
correct_in_utf8
-------------------------------
{"a": "the Copyright © sign"}
(1 row)
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;
correct_in_utf8
----------------------
the Copyright © sign
(1 row)
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)
src/test/regress/expected/json_encoding_1.out 0 → 100644
View file @ b6363772
-- encoding-sensitive tests for json and jsonb
-- first json
-- basic unicode input
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)
-- 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)
-- then jsonb
-- basic unicode input
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: ...
-- 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)
src/test/regress/expected/jsonb.out
View file @ b6363772
...@@ -42,44 +42,7 @@ LINE 1: SELECT '"\v"'::jsonb; ...@@ -42,44 +42,7 @@ LINE 1: SELECT '"\v"'::jsonb;
^ ^
DETAIL: Escape sequence "\v" is invalid. DETAIL: Escape sequence "\v" is invalid.
CONTEXT: JSON data, line 1: "\v... CONTEXT: JSON data, line 1: "\v...
SELECT '"\u"'::jsonb; -- ERROR, incomplete escape -- see json_encoding test for input with unicode escapes
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
octet_length
--------------
5
(1 row)
-- Numbers. -- Numbers.
SELECT '1'::jsonb; -- OK SELECT '1'::jsonb; -- OK
jsonb jsonb
...@@ -1981,98 +1944,6 @@ SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200 ...@@ -1981,98 +1944,6 @@ SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200
{"z": true} | 3 | Fri Jan 20 10:42:53 2012 {"z": true} | 3 | Fri Jan 20 10:42:53 2012
(2 rows) (2 rows)
-- handling of unicode surrogate pairs
SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8;
correct_in_utf8
-----------------
10
(1 row)
SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
ERROR: invalid input syntax for type json
LINE 1: SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a';
^
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;
correct_in_utf8
-------------------------------
{"a": "the Copyright © sign"}
(1 row)
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;
correct_in_utf8
----------------------
the Copyright © sign
(1 row)
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 -- jsonb_to_record and jsonb_to_recordset
select * from jsonb_to_record('{"a":1,"b":"foo","c":"bar"}') select * from jsonb_to_record('{"a":1,"b":"foo","c":"bar"}')
as x(a int, b text, d text); as x(a int, b text, d text);
......
src/test/regress/expected/jsonb_1.out deleted 100644 → 0
View file @ 1ea0c73c
-- 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
src/test/regress/parallel_schedule
View file @ b6363772
...@@ -97,7 +97,7 @@ test: rules ...@@ -97,7 +97,7 @@ test: rules
# ---------- # ----------
# Another group of parallel tests # Another group of parallel tests
# ---------- # ----------
test: select_views portals_p2 foreign_key cluster dependency guc bitmapops combocid tsearch tsdicts foreign_data window xmlmap functional_deps advisory_lock json jsonb indirect_toast equivclass test: select_views portals_p2 foreign_key cluster dependency guc bitmapops combocid tsearch tsdicts foreign_data window xmlmap functional_deps advisory_lock json jsonb json_encoding indirect_toast equivclass
# ---------- # ----------
# Another group of parallel tests # Another group of parallel tests
# NB: temp.sql does a reconnect which transiently uses 2 connections, # NB: temp.sql does a reconnect which transiently uses 2 connections,
......
src/test/regress/serial_schedule
View file @ b6363772
...@@ -135,6 +135,7 @@ test: functional_deps ...@@ -135,6 +135,7 @@ test: functional_deps
test: advisory_lock test: advisory_lock
test: json test: json
test: jsonb test: jsonb
test: json_encoding
test: indirect_toast test: indirect_toast
test: equivclass test: equivclass
test: plancache test: plancache
......
src/test/regress/sql/json.sql
View file @ b6363772
...@@ -7,11 +7,7 @@ SELECT '"abc ...@@ -7,11 +7,7 @@ SELECT '"abc
def"'::json; -- ERROR, unescaped newline in string constant def"'::json; -- ERROR, unescaped newline in string constant
SELECT '"\n\"\\"'::json; -- OK, legal escapes SELECT '"\n\"\\"'::json; -- OK, legal escapes
SELECT '"\v"'::json; -- ERROR, not a valid JSON escape SELECT '"\v"'::json; -- ERROR, not a valid JSON escape
SELECT '"\u"'::json; -- ERROR, incomplete escape -- see json_encoding test for input with unicode escapes
SELECT '"\u00"'::json; -- ERROR, incomplete escape
SELECT '"\u000g"'::json; -- ERROR, g is not a hex digit
SELECT '"\u0000"'::json; -- OK, legal escape
SELECT '"\uaBcD"'::json; -- OK, uppercase and lower case both OK
-- Numbers. -- Numbers.
SELECT '1'::json; -- OK SELECT '1'::json; -- OK
...@@ -405,28 +401,6 @@ select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b": ...@@ -405,28 +401,6 @@ select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":
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; 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;
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; 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;
-- handling of unicode surrogate pairs
select json '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a' as correct_in_utf8;
select json '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
select json '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
select json '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
select json '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
--handling of simple unicode escapes
select json '{ "a": "the Copyright \u00a9 sign" }' as correct_in_utf8;
select json '{ "a": "dollar \u0024 character" }' as correct_everywhere;
select json '{ "a": "dollar \\u0024 character" }' as not_an_escape;
select json '{ "a": "null \u0000 escape" }' as not_unescaped;
select json '{ "a": "null \\u0000 escape" }' as not_an_escape;
select json '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
select json '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
select json '{ "a": "dollar \\u0024 character" }' ->> 'a' as not_an_escape;
select json '{ "a": "null \u0000 escape" }' ->> 'a' as fails;
select json '{ "a": "null \\u0000 escape" }' ->> 'a' as not_an_escape;
--json_typeof() function --json_typeof() function
select value, json_typeof(value) select value, json_typeof(value)
from (values (json '123.4'), from (values (json '123.4'),
......
src/test/regress/sql/json_encoding.sql 0 → 100644
View file @ b6363772
-- encoding-sensitive tests for json and jsonb
-- first json
-- basic unicode input
SELECT '"\u"'::json; -- ERROR, incomplete escape
SELECT '"\u00"'::json; -- ERROR, incomplete escape
SELECT '"\u000g"'::json; -- ERROR, g is not a hex digit
SELECT '"\u0000"'::json; -- OK, legal escape
SELECT '"\uaBcD"'::json; -- OK, uppercase and lower case both OK
-- handling of unicode surrogate pairs
select json '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a' as correct_in_utf8;
select json '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
select json '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
select json '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
select json '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
--handling of simple unicode escapes
select json '{ "a": "the Copyright \u00a9 sign" }' as correct_in_utf8;
select json '{ "a": "dollar \u0024 character" }' as correct_everywhere;
select json '{ "a": "dollar \\u0024 character" }' as not_an_escape;
select json '{ "a": "null \u0000 escape" }' as not_unescaped;
select json '{ "a": "null \\u0000 escape" }' as not_an_escape;
select json '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
select json '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
select json '{ "a": "dollar \\u0024 character" }' ->> 'a' as not_an_escape;
select json '{ "a": "null \u0000 escape" }' ->> 'a' as fails;
select json '{ "a": "null \\u0000 escape" }' ->> 'a' as not_an_escape;
-- then jsonb
-- basic unicode input
SELECT '"\u"'::jsonb; -- ERROR, incomplete escape
SELECT '"\u00"'::jsonb; -- ERROR, incomplete escape
SELECT '"\u000g"'::jsonb; -- ERROR, g is not a hex digit
SELECT '"\u0045"'::jsonb; -- OK, legal escape
SELECT '"\u0000"'::jsonb; -- ERROR, we don't support U+0000
-- 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
-- handling of unicode surrogate pairs
SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8;
SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
SELECT jsonb '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
SELECT jsonb '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
-- handling of simple unicode escapes
SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' as correct_in_utf8;
SELECT jsonb '{ "a": "dollar \u0024 character" }' as correct_everywhere;
SELECT jsonb '{ "a": "dollar \\u0024 character" }' as not_an_escape;
SELECT jsonb '{ "a": "null \u0000 escape" }' as fails;
SELECT jsonb '{ "a": "null \\u0000 escape" }' as not_an_escape;
SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
SELECT jsonb '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
SELECT jsonb '{ "a": "dollar \\u0024 character" }' ->> 'a' as not_an_escape;
SELECT jsonb '{ "a": "null \u0000 escape" }' ->> 'a' as fails;
SELECT jsonb '{ "a": "null \\u0000 escape" }' ->> 'a' as not_an_escape;
src/test/regress/sql/jsonb.sql
View file @ b6363772
...@@ -7,14 +7,7 @@ SELECT '"abc ...@@ -7,14 +7,7 @@ SELECT '"abc
def"'::jsonb; -- ERROR, unescaped newline in string constant def"'::jsonb; -- ERROR, unescaped newline in string constant
SELECT '"\n\"\\"'::jsonb; -- OK, legal escapes SELECT '"\n\"\\"'::jsonb; -- OK, legal escapes
SELECT '"\v"'::jsonb; -- ERROR, not a valid JSON escape SELECT '"\v"'::jsonb; -- ERROR, not a valid JSON escape
SELECT '"\u"'::jsonb; -- ERROR, incomplete escape -- see json_encoding test for input with unicode escapes
SELECT '"\u00"'::jsonb; -- ERROR, incomplete escape
SELECT '"\u000g"'::jsonb; -- ERROR, g is not a hex digit
SELECT '"\u0045"'::jsonb; -- OK, legal escape
SELECT '"\u0000"'::jsonb; -- ERROR, we don't support U+0000
-- 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
-- Numbers. -- Numbers.
SELECT '1'::jsonb; -- OK SELECT '1'::jsonb; -- OK
...@@ -494,28 +487,6 @@ SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b ...@@ -494,28 +487,6 @@ SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q;
SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q; SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q;
-- handling of unicode surrogate pairs
SELECT octet_length((jsonb '{ "a": "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8;
SELECT jsonb '{ "a": "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
SELECT jsonb '{ "a": "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
SELECT jsonb '{ "a": "\ud83dX" }' -> 'a'; -- orphan high surrogate
SELECT jsonb '{ "a": "\ude04X" }' -> 'a'; -- orphan low surrogate
-- handling of simple unicode escapes
SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' as correct_in_utf8;
SELECT jsonb '{ "a": "dollar \u0024 character" }' as correct_everywhere;
SELECT jsonb '{ "a": "dollar \\u0024 character" }' as not_an_escape;
SELECT jsonb '{ "a": "null \u0000 escape" }' as fails;
SELECT jsonb '{ "a": "null \\u0000 escape" }' as not_an_escape;
SELECT jsonb '{ "a": "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
SELECT jsonb '{ "a": "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
SELECT jsonb '{ "a": "dollar \\u0024 character" }' ->> 'a' as not_an_escape;
SELECT jsonb '{ "a": "null \u0000 escape" }' ->> 'a' as fails;
SELECT jsonb '{ "a": "null \\u0000 escape" }' ->> 'a' as not_an_escape;
-- jsonb_to_record and jsonb_to_recordset -- jsonb_to_record and jsonb_to_recordset
select * from jsonb_to_record('{"a":1,"b":"foo","c":"bar"}') select * from jsonb_to_record('{"a":1,"b":"foo","c":"bar"}')
......
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