select json_valid('[1, 2]');
json_valid('[1, 2]')
1
select json_valid('"string"}');
json_valid('"string"}')
0
select json_valid('{"key1":1, "key2":[2,3]}');
json_valid('{"key1":1, "key2":[2,3]}')
1
select json_valid('[false, true, null]');
json_valid('[false, true, null]')
1
select json_valid(repeat('[', 1000));
json_valid(repeat('[', 1000))
0
select json_valid(repeat('{"a":', 1000));
json_valid(repeat('{"a":', 1000))
0
select json_value('{"key1":123}', '$.key2');
json_value('{"key1":123}', '$.key2')
NULL
select json_value('{"key1":123}', '$.key1');
json_value('{"key1":123}', '$.key1')
123
select json_value('{"key1":[1,2,3]}', '$.key1');
json_value('{"key1":[1,2,3]}', '$.key1')
NULL
select json_value('{"key1": [1,2,3], "key1":123}', '$.key1');
json_value('{"key1": [1,2,3], "key1":123}', '$.key1')
123
select json_query('{"key1":{"a":1, "b":[1,2]}}', '$.key2');
json_query('{"key1":{"a":1, "b":[1,2]}}', '$.key2')
NULL
select json_query('{"key1":{"a":1, "b":[1,2]}}', '$.key1');
json_query('{"key1":{"a":1, "b":[1,2]}}', '$.key1')
{"a":1, "b":[1,2]}
select json_query('{"key1": 1}', '$.key1');
json_query('{"key1": 1}', '$.key1')
NULL
select json_query('{"key1":123, "key1": [1,2,3]}', '$.key1');
json_query('{"key1":123, "key1": [1,2,3]}', '$.key1')
[1,2,3]
select json_array();
json_array()
[]
select json_array(1);
json_array(1)
[1]
select json_array(1, "text", false, null);
json_array(1, "text", false, null)
[1, "text", false, null]
select json_array_append('["a", "b"]', '$', FALSE);
json_array_append('["a", "b"]', '$', FALSE)
["a", "b", false]
select json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2);
json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2)
{"k1":1, "k2":["a", "b", 2]}
select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[1]', 'x');
json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[1]', 'x')
["a", "x", {"b": [1, 2]}, [3, 4]]
select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[2]', 'x');
json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[2]', 'x')
["a", {"b": [1, 2]}, "x", [3, 4]]
select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[3]', 'x');
json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[3]', 'x')
["a", {"b": [1, 2]}, [3, 4], "x"]
select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[4]', 'x');
json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[4]', 'x')
["a", {"b": [1, 2]}, [3, 4], "x"]
select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[1].b[0]', 'x');
json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[1].b[0]', 'x')
["a", {"b": [ "x",1, 2]}, [3, 4]]
select json_contains('{"k1":123, "k2":345}', '123', '$.k1');
json_contains('{"k1":123, "k2":345}', '123', '$.k1')
1
select json_contains('"you"', '"you"');
json_contains('"you"', '"you"')
1
select json_contains('"youth"', '"you"');
json_contains('"youth"', '"you"')
0
select json_contains('[1]', '[1]', '$', '$[0]');
ERROR 42000: Incorrect parameter count in the call to native function 'json_contains'
select json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.key2[1]");
json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.key2[1]")
1
select json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.key2[10]");
json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.key2[10]")
0
select json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.ma");
json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.ma")
0
select json_contains_path('{"key1":1, "key2":[2,3]}', "one", "$.key1");
json_contains_path('{"key1":1, "key2":[2,3]}', "one", "$.key1")
1
select json_contains_path('{"key1":1, "key2":[2,3]}', "one", "$.key1", "$.ma");
json_contains_path('{"key1":1, "key2":[2,3]}', "one", "$.key1", "$.ma")
1
select json_contains_path('{"key1":1, "key2":[2,3]}', "aLl", "$.key1", "$.ma");
json_contains_path('{"key1":1, "key2":[2,3]}', "aLl", "$.key1", "$.ma")
0
select json_contains_path('{"key1":1, "key2":[2,3]}', "aLl", "$.key1", "$.key2");
json_contains_path('{"key1":1, "key2":[2,3]}', "aLl", "$.key1", "$.key2")
1
select json_contains_path('{ "a": true }', NULL, '$.a' );
json_contains_path('{ "a": true }', NULL, '$.a' )
NULL
select json_contains_path('{ "a": true }', 'all', NULL );
json_contains_path('{ "a": true }', 'all', NULL )
NULL
select json_extract('{"key1":"asd", "key2":[2,3]}', "$.key1");
json_extract('{"key1":"asd", "key2":[2,3]}', "$.key1")
"asd"
select json_extract('{"key1":"asd", "key2":[2,3]}', "$.keyX", "$.keyY");
json_extract('{"key1":"asd", "key2":[2,3]}', "$.keyX", "$.keyY")
NULL
select json_extract('{"key1":"asd", "key2":[2,3]}', "$.key1", "$.key2");
json_extract('{"key1":"asd", "key2":[2,3]}', "$.key1", "$.key2")
["asd", [2,3]]
select json_extract('{"key1":5, "key2":[2,3]}', "$.key1", "$.key2");
json_extract('{"key1":5, "key2":[2,3]}', "$.key1", "$.key2")
[5, [2,3]]
select json_extract('{"key0":true, "key1":"qwe"}', "$.key1");
json_extract('{"key0":true, "key1":"qwe"}', "$.key1")
"qwe"
select json_extract(json_object('foo', 'foobar'),'$');
json_extract(json_object('foo', 'foobar'),'$')
{"foo": "foobar"}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.k1', 'word');
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.k1', 'word')
{"a":1, "b":{"c":1, "k1":"word"}, "d":[1, 2]}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.d[3]', 3);
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.d[3]', 3)
{"a":1, "b":{"c":1}, "d":[1, 2, 3]}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.a[2]', 2);
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.a[2]', 2)
{"a":[1, 2], "b":{"c":1}, "d":[1, 2]}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.c', 'word');
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.c', 'word')
{"a":1, "b":{"c":1}, "d":[1, 2]}
select json_set('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
json_set('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]')
{ "a": 10, "b": [2, 3], "c":"[true, false]"}
select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]')
{ "a": 10, "b": [2, 3]}
select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.b', '[true, false]');
json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.b', '[true, false]')
{ "a": 10, "b": "[true, false]"}
set @j = '["a", ["b", "c"], "d"]';
select json_remove(@j, '$[0]');
json_remove(@j, '$[0]')
[ ["b", "c"], "d"]
select json_remove(@j, '$[1]');
json_remove(@j, '$[1]')
["a", "d"]
select json_remove(@j, '$[2]');
json_remove(@j, '$[2]')
["a", ["b", "c"]]
set @j = '{"a": 1, "b": [2, 3]}';
select json_remove(@j, '$.b');
json_remove(@j, '$.b')
{"a": 1}
select json_remove(@j, '$.a');
json_remove(@j, '$.a')
{"b": [2, 3]}
select json_object();
json_object()
{}
select json_object("ki", 1, "mi", "ya");
json_object("ki", 1, "mi", "ya")
{"ki": 1, "mi": "ya"}
create table t1 as select json_object('id', 87, 'name', 'carrot') as f;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f` varchar(32) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select * from t1;
f
{"id": 87, "name": "carrot"}
drop table t1;
select json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2");
json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2")
1
select json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2[1]");
json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2[1]")
1
select json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2[10]");
json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2[10]")
0
select json_quote('"string"');
json_quote('"string"')
"\"string\""
create table t1 as select json_quote('foo');
select * from t1;
json_quote('foo')
"foo"
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `json_quote('foo')` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
select json_merge('string');
ERROR 42000: Incorrect parameter count in the call to native function 'json_merge'
select json_merge('string', 123);
json_merge('string', 123)
["string", 123]
select json_type('{"k1":123, "k2":345}');
json_type('{"k1":123, "k2":345}')
OBJECT
select json_type('[123, "k2", 345]');
json_type('[123, "k2", 345]')
ARRAY
select json_type("true");
json_type("true")
BOOLEAN
select json_type('123');
json_type('123')
INTEGER
select json_type('123.12');
json_type('123.12')
DOUBLE
select json_keys('{"a":{"c":1, "d":2}, "b":2}');
json_keys('{"a":{"c":1, "d":2}, "b":2}')
["a", "b"]
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.a");
json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.a")
["c", "d"]
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.b");
json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.b")
NULL
SET @j = '["abc", [{"k": "10"}, "def"], {"x":"abc"}, {"y":"bcd"}]';
select json_search(@j, 'one', 'abc');
json_search(@j, 'one', 'abc')
"$[0]"
select json_search(@j, 'all', 'abc');
json_search(@j, 'all', 'abc')
["$[0]", "$[2].x"]
select json_search(@j, 'all', 'abc', NULL, '$[2]');
json_search(@j, 'all', 'abc', NULL, '$[2]')
"$[2].x"
select json_search(@j, 'all', 'abc', NULL, '$');
json_search(@j, 'all', 'abc', NULL, '$')
["$[0]", "$[2].x"]
select json_search(@j, 'all', '10', NULL, '$');
json_search(@j, 'all', '10', NULL, '$')
"$[1][0].k"
select json_search(@j, 'all', '10', NULL, '$[*]');
json_search(@j, 'all', '10', NULL, '$[*]')
"$[1][0].k"
select json_search(@j, 'all', '10', NULL, '$[*][0].k');
json_search(@j, 'all', '10', NULL, '$[*][0].k')
"$[1][0].k"
create table t1( json_col text );
insert into t1 values
('{ "a": "foobar" }'),
('{ "a": "foobar", "b": "focus", "c": [ "arm", "foot", "shoulder" ] }');
select json_search( json_col, 'all', 'foot' ) from t1;
json_search( json_col, 'all', 'foot' )
NULL
"$.c[1]"
drop table t1;
select json_unquote('"abc"');
json_unquote('"abc"')
abc
select json_object("a", json_object("b", "abcd"));
json_object("a", json_object("b", "abcd"))
{"a": {"b": "abcd"}}
select json_object("a", '{"b": "abcd"}');
json_object("a", '{"b": "abcd"}')
{"a": "{\"b\": \"abcd\"}"}
select json_object("a", cast('{"b": "abcd"}' as json));
json_object("a", cast('{"b": "abcd"}' as json))
{"a": {"b": "abcd"}}
select cast(NULL AS JSON);
cast(NULL AS JSON)
NULL
select json_depth(cast(NULL as JSON));
json_depth(cast(NULL as JSON))
NULL
select json_depth('[[], {}]');
json_depth('[[], {}]')
2
select json_depth('[[[1,2,3],"s"], {}, []]');
json_depth('[[[1,2,3],"s"], {}, []]')
4