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_VALUE('{ "x": [0,1], "y": "[0,1]", "z": "Mon\\\"t\\\"y" }','$.z');
JSON_VALUE('{ "x": [0,1], "y": "[0,1]", "z": "Mon\\\"t\\\"y" }','$.z')
Mon"t"y
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_query('{"key1":123, "key1": [1,2,3]}', concat('$', repeat('.k', 1000)));
json_query('{"key1":123, "key1": [1,2,3]}', concat('$', repeat('.k', 1000)))
NULL
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_append('["a", ["b", "c"], "d"]', '$[0]', 2);
json_array_append('["a", ["b", "c"], "d"]', '$[0]', 2)
[["a", 2], ["b", "c"], "d"]
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_array_insert('true', '$', 1);
json_array_insert('true', '$', 1)
NULL
select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[2][1]', 'y');
json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[2][1]', 'y')
["a", {"b": [1, 2]}, [3, "y", 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('', '', '$');
json_contains('', '', '$')
NULL
Warnings:
Warning	4037	Unexpected end of JSON text in argument 1 to function 'json_contains'
select json_contains('null', 'null', '$');
json_contains('null', 'null', '$')
1
select json_contains('"10"', '"10"', '$');
json_contains('"10"', '"10"', '$')
1
select json_contains('"10"', '10', '$');
json_contains('"10"', '10', '$')
0
select json_contains('10.1', '10', '$');
json_contains('10.1', '10', '$')
0
select json_contains('10.0', '10', '$');
json_contains('10.0', '10', '$')
1
select json_contains('[1]', '1');
json_contains('[1]', '1')
1
select json_contains('[2, 1]', '1');
json_contains('[2, 1]', '1')
1
select json_contains('[2, [2, 3], 1]', '1');
json_contains('[2, [2, 3], 1]', '1')
1
select json_contains('[4, [2, 3], 1]', '2');
json_contains('[4, [2, 3], 1]', '2')
1
select json_contains('[2, 1]', '[1, 2]');
json_contains('[2, 1]', '[1, 2]')
1
select json_contains('[2, 1]', '[1, 0, 2]');
json_contains('[2, 1]', '[1, 0, 2]')
0
select json_contains('[2, 0, 3, 1]', '[1, 2]');
json_contains('[2, 0, 3, 1]', '[1, 2]')
1
select json_contains('{"b":[1,2], "a":1}', '{"a":1, "b":2}');
json_contains('{"b":[1,2], "a":1}', '{"a":1, "b":2}')
1
select json_contains('{"a":1}', '{}');
json_contains('{"a":1}', '{}')
1
select json_contains('[1, {"a":1}]', '{}');
json_contains('[1, {"a":1}]', '{}')
1
select json_contains('[1, {"a":1}]', '{"a":1}');
json_contains('[1, {"a":1}]', '{"a":1}')
1
select json_contains('[{"abc":"def", "def":"abc"}]', '["foo","bar"]');
json_contains('[{"abc":"def", "def":"abc"}]', '["foo","bar"]')
0
select json_contains('[{"abc":"def", "def":"abc"}, "bar"]', '["bar", {}]');
json_contains('[{"abc":"def", "def":"abc"}, "bar"]', '["bar", {}]')
1
select json_contains('[{"a":"b"},{"c":"d"}]','{"c":"d"}');
json_contains('[{"a":"b"},{"c":"d"}]','{"c":"d"}')
1
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_contains_path('{"a":{"b":"c"}}', 'one', '$.a.*');
json_contains_path('{"a":{"b":"c"}}', 'one', '$.a.*')
1
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_extract('[10, 20, [30, 40]]', '$[2][*]');
json_extract('[10, 20, [30, 40]]', '$[2][*]')
[30, 40]
select json_extract('[10, 20, [{"a":3}, 30, 40]]', '$[2][*]');
json_extract('[10, 20, [{"a":3}, 30, 40]]', '$[2][*]')
[{"a": 3}, 30, 40]
select json_extract('1', '$');
json_extract('1', '$')
1
select json_extract('[10, 20, [30, 40], 1, 10]', '$[1]');
json_extract('[10, 20, [30, 40], 1, 10]', '$[1]')
20
select json_extract('[10, 20, [30, 40], 1, 10]', '$[1]', '$[25]');
json_extract('[10, 20, [30, 40], 1, 10]', '$[1]', '$[25]')
[20]
select json_extract( '[{"a": [3, 4]}, {"b": 2}]', '$[0].a', '$[1].a');
json_extract( '[{"a": [3, 4]}, {"b": 2}]', '$[0].a', '$[1].a')
[[3, 4]]
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) DEFAULT 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(38) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT 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)
NULL
Warnings:
Warning	4038	Syntax error in JSON text in argument 1 to function 'json_merge_preserve' at position 1
select json_merge('"string"', 123);
json_merge('"string"', 123)
["string", 123]
select json_merge('[1, 2]', '[true, false]');
json_merge('[1, 2]', '[true, false]')
[1, 2, true, false]
select json_merge('{"1": 2}', '{"true": false}');
json_merge('{"1": 2}', '{"true": false}')
{"1": 2, "true": false}
select json_merge('{"1": 2}', '{"true": false}', '{"3": 4}');
json_merge('{"1": 2}', '{"true": false}', '{"3": 4}')
{"1": 2, "true": false, "3": 4}
select json_merge(NULL,json_object('foo', 1));
json_merge(NULL,json_object('foo', 1))
NULL
select json_merge('a','b');
json_merge('a','b')
NULL
Warnings:
Warning	4038	Syntax error in JSON text in argument 1 to function 'json_merge_preserve' at position 1
select json_merge('{"a":"b"}','{"c":"d"}');
json_merge('{"a":"b"}','{"c":"d"}')
{"a": "b", "c": "d"}
SELECT JSON_MERGE('[1, 2]', '{"id": 47}');
JSON_MERGE('[1, 2]', '{"id": 47}')
[1, 2, {"id": 47}]
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
select json_keys('foo');
json_keys('foo')
NULL
Warnings:
Warning	4038	Syntax error in JSON text in argument 1 to function 'json_keys' at position 1
select json_keys('{"a":{"c":1, "d":2}, "b":2, "c":1, "a":3, "b":1, "c":2}');
json_keys('{"a":{"c":1, "d":2}, "b":2, "c":1, "a":3, "b":1, "c":2}')
["a", "b", "c"]
select json_keys('{"c1": "value 1", "c1": "value 2"}');
json_keys('{"c1": "value 1", "c1": "value 2"}')
["c1"]
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')
"$[1][0].k"
select json_search(@j, 'all', '10', NULL, '$**.k');
json_search(@j, 'all', '10', NULL, '$**.k')
"$[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
"$.c[1]"
drop table t1;
select json_unquote('"abc"');
json_unquote('"abc"')
abc
select json_unquote('abc');
json_unquote('abc')
abc
create table t1 (c VARCHAR(8)) DEFAULT CHARSET=latin1;
insert into t1 values ('abc'),('def');
select json_object('foo', json_unquote(json_object('bar', c)),'qux', c) as fld from t1;
fld
{"foo": "{\"bar\": \"abc\"}", "qux": "abc"}
{"foo": "{\"bar\": \"def\"}", "qux": "def"}
drop table t1;
select json_object("a", json_object("b", "abcd"));
json_object("a", json_object("b", "abcd"))
{"a": {"b": "abcd"}}
select json_object("a", '{"b": "abcd"}');
json_object("a", '{"b": "abcd"}')
{"a": "{\"b\": \"abcd\"}"}
select json_object("a", json_compact('{"b": "abcd"}'));
json_object("a", json_compact('{"b": "abcd"}'))
{"a": {"b": "abcd"}}
select json_compact(NULL);
json_compact(NULL)
NULL
select json_depth(json_compact(NULL));
json_depth(json_compact(NULL))
NULL
select json_depth('[[], {}]');
json_depth('[[], {}]')
2
select json_depth('[[[1,2,3],"s"], {}, []]');
json_depth('[[[1,2,3],"s"], {}, []]')
4
select json_depth('[10, {"a": 20}]');
json_depth('[10, {"a": 20}]')
3
select json_length('');
json_length('')
NULL
Warnings:
Warning	4037	Unexpected end of JSON text in argument 1 to function 'json_length'
select json_length('{}');
json_length('{}')
0
select json_length('[1, 2, {"a": 3}]');
json_length('[1, 2, {"a": 3}]')
3
select json_length('{"a": 1, "b": {"c": 30}}', '$.b');
json_length('{"a": 1, "b": {"c": 30}}', '$.b')
1
select json_length('{"a": 1, "b": {"c": 30}}');
json_length('{"a": 1, "b": {"c": 30}}')
2
select json_length('{}{');
json_length('{}{')
NULL
Warnings:
Warning	4038	Syntax error in JSON text in argument 1 to function 'json_length' at position 3
create table json (j INT);
show create table json;
Table	Create Table
json	CREATE TABLE `json` (
  `j` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table json;
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2]' );
json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2]' )
1
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0]' );
json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0]' )
1
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0][0]' );
json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0][0]' )
1
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0][0][0]' );
json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0][0][0]' )
1
select json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2]' );
json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2]' )
2
select json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0]' );
json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0]' )
2
select json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0][0]' );
json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0][0]' )
2
select json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0][0][0]' );
json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0][0][0]' )
2
select json_length( '{"a":{"b":{"d":1}}, "a":{"c":{"d":1, "j":2}}}', '$.a[0][0][0].c' );
json_length( '{"a":{"b":{"d":1}}, "a":{"c":{"d":1, "j":2}}}', '$.a[0][0][0].c' )
2
select json_set('1', '$[0]', 100);
json_set('1', '$[0]', 100)
100
select json_set('1', '$[0][0]', 100);
json_set('1', '$[0][0]', 100)
100
select json_set('1', '$[1]', 100);
json_set('1', '$[1]', 100)
[1, 100]
select json_set('{"a":12}', '$[0]', 100);
json_set('{"a":12}', '$[0]', 100)
100
select json_set('{"a":12}', '$[0].a', 100);
json_set('{"a":12}', '$[0].a', 100)
{"a": 100}
select json_set('{"a":12}', '$[0][0].a', 100);
json_set('{"a":12}', '$[0][0].a', 100)
{"a": 100}
select json_set('{"a":12}', '$[0][1].a', 100);
json_set('{"a":12}', '$[0][1].a', 100)
{"a": 12}
select json_value('{"\\"key1":123}', '$."\\"key1"');
json_value('{"\\"key1":123}', '$."\\"key1"')
123
select json_value('{"\\"key1\\"":123}', '$."\\"key1\\""');
json_value('{"\\"key1\\"":123}', '$."\\"key1\\""')
123
select json_value('{"key 1":123}', '$."key 1"');
json_value('{"key 1":123}', '$."key 1"')
123
select json_contains_path('{"a":[{"c":[1,{"a":[0,1,2]},3]}], "b":[1,2,3]}', 'one', "$**.a[2]");
json_contains_path('{"a":[{"c":[1,{"a":[0,1,2]},3]}], "b":[1,2,3]}', 'one', "$**.a[2]")
1
select json_contains_path('{"a":[{"c":[1,{"a":[0,1,2]},3]}], "b":[1,2,3]}', 'one', "$**.a[3]");
json_contains_path('{"a":[{"c":[1,{"a":[0,1,2]},3]}], "b":[1,2,3]}', 'one', "$**.a[3]")
0
select json_extract( '[1]', '$[0][0]' );
json_extract( '[1]', '$[0][0]' )
1
select json_extract( '[1]', '$[1][0]' );
json_extract( '[1]', '$[1][0]' )
NULL
select json_extract( '[1]', '$**[0]' );
json_extract( '[1]', '$**[0]' )
[1]
select json_extract( '[1]', '$**[0][0]' );
json_extract( '[1]', '$**[0][0]' )
[1]
select json_insert('1', '$[0]', 4);
json_insert('1', '$[0]', 4)
1
select json_replace('1', '$[0]', 4);
json_replace('1', '$[0]', 4)
4
select json_set('1', '$[0]', 4);
json_set('1', '$[0]', 4)
4
select json_set('1', '$[1]', 4);
json_set('1', '$[1]', 4)
[1, 4]
select json_replace('1', '$[1]', 4);
json_replace('1', '$[1]', 4)
1
SELECT json_insert('[]', '$[0][0]', 100);
json_insert('[]', '$[0][0]', 100)
[]
SELECT json_insert('1', '$[0][0]', 100);
json_insert('1', '$[0][0]', 100)
1
SELECT json_replace('1', '$[0][0]', 100);
json_replace('1', '$[0][0]', 100)
100
SELECT json_replace('[]', '$[0][0]', 100);
json_replace('[]', '$[0][0]', 100)
[]
SELECT json_set('[]', '$[0][0]', 100);
json_set('[]', '$[0][0]', 100)
[]
SELECT json_set('[]', '$[0][0][0]', 100);
json_set('[]', '$[0][0][0]', 100)
[]
SELECT JSON_search( '{"": "a"}', "one", 'a');
JSON_search( '{"": "a"}', "one", 'a')
"$."
select json_merge('{"a":"b"}', '{"a":"c"}') ;
json_merge('{"a":"b"}', '{"a":"c"}')
{"a": ["b", "c"]}
select json_merge('{"a":{"x":"b"}}', '{"a":"c"}') ;
json_merge('{"a":{"x":"b"}}', '{"a":"c"}')
{"a": [{"x": "b"}, "c"]}
select json_merge('{"a":{"u":12, "x":"b"}}', '{"a":{"x":"c"}}') ;
json_merge('{"a":{"u":12, "x":"b"}}', '{"a":{"x":"c"}}')
{"a": {"u": 12, "x": ["b", "c"]}}
select json_merge('{"a":{"u":12, "x":"b", "r":1}}', '{"a":{"x":"c", "r":2}}') ;
json_merge('{"a":{"u":12, "x":"b", "r":1}}', '{"a":{"x":"c", "r":2}}')
{"a": {"u": 12, "x": ["b", "c"], "r": [1, 2]}}
select json_compact('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}');
json_compact('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}')
{"a":1,"b":[1,2,3],"c":{"aa":"v1","bb":"v2"}}
select json_loose('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}');
json_loose('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}')
{"a": 1, "b": [1, 2, 3], "c": {"aa": "v1", "bb": "v2"}}
select json_detailed('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}');
json_detailed('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}')
{
    "a": 1,
    "b": 
    [
        1,
        2,
        3
    ],
    "c": 
    {
        "aa": "v1",
        "bb": "v2"
    }
}
SELECT JSON_search( '{"x": "\\""}', "one", '"');
JSON_search( '{"x": "\\""}', "one", '"')
"$.x"
SELECT JSON_search( '{"x": "\\""}', "one", '\\"');
JSON_search( '{"x": "\\""}', "one", '\\"')
"$.x"
set @save_max_allowed_packet=@@max_allowed_packet;
set @save_net_buffer_length=@@net_buffer_length;
set @@global.net_buffer_length=1024;
set @@global.max_allowed_packet=2048;
connect  newconn, localhost, root,,;
show variables like 'net_buffer_length';
Variable_name	Value
net_buffer_length	1024
show variables like 'max_allowed_packet';
Variable_name	Value
max_allowed_packet	2048
select json_array(repeat('a',1024),repeat('a',1024));
json_array(repeat('a',1024),repeat('a',1024))
NULL
Warnings:
Warning	1301	Result of json_array() was larger than max_allowed_packet (2048) - truncated
select json_object("a", repeat('a',1024),"b", repeat('a',1024));
json_object("a", repeat('a',1024),"b", repeat('a',1024))
NULL
Warnings:
Warning	1301	Result of json_object() was larger than max_allowed_packet (2048) - truncated
connection default;
set @@global.max_allowed_packet = @save_max_allowed_packet;
set @@global.net_buffer_length = @save_net_buffer_length;
disconnect newconn;
create table t1(j longtext, p longtext);
insert into t1 values
('{"a":1,"b":2,"c":3}','$.a'),
('{"a":1,"b":2,"c":3}','$.b'),
('{"a":1,"b":2,"c":3}','$.c');
select j, p, json_remove(j, p) from t1;
j	p	json_remove(j, p)
{"a":1,"b":2,"c":3}	$.a	{"b": 2, "c": 3}
{"a":1,"b":2,"c":3}	$.b	{"a": 1, "c": 3}
{"a":1,"b":2,"c":3}	$.c	{"a": 1, "b": 2}
drop table t1;
SET @str = 'bar', @path = '$';
SELECT JSON_SEARCH('{"foo":"bar"}', 'all' , @str, '%', @path);
JSON_SEARCH('{"foo":"bar"}', 'all' , @str, '%', @path)
"$.foo"
SELECT JSON_VALUE('[{"foo": 1},"bar"]', '$[*][0]');
JSON_VALUE('[{"foo": 1},"bar"]', '$[*][0]')
bar
CREATE TABLE t1 (f INT NOT NULL);
INSERT INTO t1 VALUES (0);
SELECT JSON_KEYS(f) FROM t1 ORDER BY 1;
JSON_KEYS(f)
NULL
DROP TABLE t1;
SELECT JSON_EXTRACT( '{"foo":"bar"}', '$[*].*' );
JSON_EXTRACT( '{"foo":"bar"}', '$[*].*' )
NULL
SELECT JSON_EXTRACT( '{"foo":"bar"}', '$[*]' );
JSON_EXTRACT( '{"foo":"bar"}', '$[*]' )
NULL
select JSON_EXTRACT('{"name":"value"}', '$.name') = 'value';
JSON_EXTRACT('{"name":"value"}', '$.name') = 'value'
1
select JSON_EXTRACT('{\"asdf\":true}', "$.\"asdf\"") = true;
JSON_EXTRACT('{\"asdf\":true}', "$.\"asdf\"") = true
1
select JSON_EXTRACT('{\"asdf\":true}', "$.\"asdf\"") = false;
JSON_EXTRACT('{\"asdf\":true}', "$.\"asdf\"") = false
0
select JSON_EXTRACT('{\"asdf\":true}', "$.\"asdf\"") = 1;
JSON_EXTRACT('{\"asdf\":true}', "$.\"asdf\"") = 1
1
select JSON_EXTRACT('{\"input1\":\"\\u00f6\"}', '$.\"input1\"');
JSON_EXTRACT('{\"input1\":\"\\u00f6\"}', '$.\"input1\"')
"\u00f6"
select JSON_EXTRACT('{"foo": "bar" foobar foo invalid ', '$.foo');
JSON_EXTRACT('{"foo": "bar" foobar foo invalid ', '$.foo')
NULL
Warnings:
Warning	4038	Syntax error in JSON text in argument 1 to function 'json_extract' at position 15
SELECT JSON_OBJECT('foo', '`');
JSON_OBJECT('foo', '`')
{"foo": "`"}
SELECT JSON_OBJECT("foo", "bar`bar");
JSON_OBJECT("foo", "bar`bar")
{"foo": "bar`bar"}
SELECT JSON_SET('{}', '$.age', 87);
JSON_SET('{}', '$.age', 87)
{"age": 87}
SELECT JSON_MERGE('[]', '{"c":"d"}');
JSON_MERGE('[]', '{"c":"d"}')
[{"c": "d"}]
SET @str = "{\"\\u00e4\\u00f6\":\"yes\"}";
SET @path = "$.\"\\u00e4\\u00f6\"";
select @str, @path, JSON_EXTRACT(@str, @path);
@str	@path	JSON_EXTRACT(@str, @path)
{"\u00e4\u00f6":"yes"}	$."\u00e4\u00f6"	"yes"
SET @str = "{\"\\u00e4\":\"yes\"}";
SET @path = "$.\"\\u00e4\"";
select @str, @path, JSON_EXTRACT(@str, @path);
@str	@path	JSON_EXTRACT(@str, @path)
{"\u00e4":"yes"}	$."\u00e4"	"yes"
select json_array(5,json_query('[1,2]','$'));
json_array(5,json_query('[1,2]','$'))
[5, [1,2]]
SELECT JSON_ARRAY('1. ě 2. š 3. č 4. ř 5. ž 6. ý 7. á 8. í 9. é 10. ů 11. ú') AS json_data;
json_data
["1. ě 2. š 3. č 4. ř 5. ž 6. ý 7. á 8. í 9. é 10. ů 11. ú"]
SELECT JSON_OBJECT("user","Jožko Mrkvičká") as json_data;
json_data
{"user": "Jožko Mrkvičká"}
select json_contains_path('{"foo":"bar"}', 'one', '$[]');
json_contains_path('{"foo":"bar"}', 'one', '$[]')
NULL
Warnings:
Warning	4042	Syntax error in JSON path in argument 3 to function 'json_contains_path' at position 3
select JSON_VALID(0x36f0c8dccd83c5eac156da);
JSON_VALID(0x36f0c8dccd83c5eac156da)
0
create table t1(a double not null);
insert into t1 values (2),(1);
select 1 from t1 where json_extract(a,'$','$[81]');
1
drop table t1;
select json_extract('{"test":8.437e-5}','$.test');
json_extract('{"test":8.437e-5}','$.test')
8.437e-5
select json_value('{"b":true}','$.b')=1;
json_value('{"b":true}','$.b')=1
1
CREATE TABLE t1 (c VARCHAR(8));
INSERT INTO t1 VALUES ('foo'),('bar');
SELECT * FROM t1 WHERE c IN (JSON_EXTRACT('{"a":"b"}', '$.*'));
c
DROP TABLE t1;
#
# MDEV-16814 CREATE TABLE SELECT JSON_QUOTE(multibyte_charset_expr) makes a field of a wrong length
#
CREATE TABLE t1 AS SELECT
JSON_QUOTE(_latin1'foo') AS c1,
JSON_QUOTE(_utf8'foo') AS c2;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(38) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  `c2` varchar(38) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
#
# MDEV-16054 simple json functions flatline cpu on garbage input.
#
select json_array(1,uuid(),compress(5.140264e+307));
json_array(1,uuid(),compress(5.140264e+307))
NULL
#
# MDEV-16869 String functions don't respect character set of JSON_VALUE.
#
create table t1(json_col TEXT) DEFAULT CHARSET=latin1;
insert into t1 values (_latin1 X'7B226B657931223A2253EC227D');
select JSON_VALUE(json_col, '$.key1')= _latin1 X'53EC' from t1;
JSON_VALUE(json_col, '$.key1')= _latin1 X'53EC'
1
select REPLACE(JSON_VALUE(json_col, '$.key1'), 'null', '') = _latin1 X'53EC' from t1;
REPLACE(JSON_VALUE(json_col, '$.key1'), 'null', '') = _latin1 X'53EC'
1
drop table t1;
#
# MDEV-16750 JSON_SET mishandles unicode every second pair of arguments.
#
SELECT JSON_SET('{}', '$.a', _utf8 0xC3B6);
JSON_SET('{}', '$.a', _utf8 0xC3B6)
{"a": "�"}
SELECT JSON_SET('{}', '$.a', _utf8 0xC3B6, '$.b', _utf8 0xC3B6);
JSON_SET('{}', '$.a', _utf8 0xC3B6, '$.b', _utf8 0xC3B6)
{"a": "�", "b": "�"}
SELECT JSON_SET('{}', '$.a', _utf8 X'C3B6', '$.x', 1, '$.b', _utf8 X'C3B6');
JSON_SET('{}', '$.a', _utf8 X'C3B6', '$.x', 1, '$.b', _utf8 X'C3B6')
{"a": "�", "x": 1, "b": "�"}
#
# MDEV-17121 JSON_ARRAY_APPEND
#
select json_array_append('[             ]', '$', 'aue');
json_array_append('[             ]', '$', 'aue')
["aue"]
#
# MDEV-17018 JSON_SEARCH and User-Defined Variables.
#
SET @`json` := '["A", [{"B": "1"}], {"C": "AB"}, {"D": "BC"}]', @`value` := 'AB';
SELECT JSON_SEARCH(@`json`, 'one', @`value`);
JSON_SEARCH(@`json`, 'one', @`value`)
"$[2].C"
SET @`json` := NULL, @`value` := NULL;
#
# MDEV-17001 JSON_MERGE returns nullwhen merging empty array.
#
SELECT JSON_MERGE('[1]', '[]');
JSON_MERGE('[1]', '[]')
[1]
#
# MDEV-16174 Assertion `0' failed in Type_handler_string_result::
#       make_sort_key(uchar*, Item*, const SORT_FIELD_ATTR*, Sort_param*)
#
SET sql_mode='';
CREATE TABLE t1 (fld varchar(16) NOT NULL);
CREATE TABLE t2 SELECT JSON_ARRAY_INSERT(fld, '$.[0]', '0') FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `JSON_ARRAY_INSERT(fld, '$.[0]', '0')` varchar(25) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1, t2;
SET sql_mode=default;
#
# MDEV-17454 JSON_VALID( '{"a":1]' ) evaluates to 1
#
select JSON_VALID( '{"a":1]' );
JSON_VALID( '{"a":1]' )
0
#
# MDEV-18886 JSON_ARRAY() does not recognise JSON argument.
#
SELECT JSON_ARRAY(_UTF8 'str', JSON_OBJECT(_LATIN1 'plugin', _LATIN1'unix_socket'));
JSON_ARRAY(_UTF8 'str', JSON_OBJECT(_LATIN1 'plugin', _LATIN1'unix_socket'))
["str", {"plugin": "unix_socket"}]
SELECT CHARSET(JSON_ARRAY());
CHARSET(JSON_ARRAY())
latin1
SELECT CHARSET(JSON_OBJECT());
CHARSET(JSON_OBJECT())
latin1
#
# MDEV-13992 Implement JSON_MERGE_PATCH
#
CREATE TABLE merge_t(
id INT PRIMARY KEY AUTO_INCREMENT,
target VARCHAR(100), patch VARCHAR(100)
);
INSERT INTO merge_t(target, patch) VALUES
('{"a":"b"}', '{"a":"c"}'),
('{"a":"b"}', '{"b":"c"}'),
('{"a":"b"}', '{"a":null}'),
('{"a":"b", "b":"c"}', '{"a":null}'),
('{"a":["b"]}', '{"a":"c"}'),
('{"a":"c"}', '{"a":["b"]}'),
('{"a": {"b":"c"}}', '{"a": {"b":"d", "c":null}}'),
('{"a":[{"b":"c"}]}', '{"a": [1]}'),
('["a","b"]', '["c","d"]'),
('{"a":"b"}', '["c"]'),
('{"a":"foo"}', 'null'),
('{"a":"foo"}', '"bar"'),
('{"e":null}', '{"a":1}'),
('[1,2]', '{"a":"b", "c":null}'),
('{}', '{"a":{"bb":{"ccc":null}}}'),
(NULL, '{}'),
('{}', NULL);
SELECT id, target, patch,
JSON_MERGE_PATCH(target, patch) AS merged,
JSON_EXTRACT(JSON_MERGE_PATCH(target, patch), '$.a') AS a
FROM merge_t ORDER BY id;
id	target	patch	merged	a
1	{"a":"b"}	{"a":"c"}	{"a": "c"}	"c"
2	{"a":"b"}	{"b":"c"}	{"a": "b", "b": "c"}	"b"
3	{"a":"b"}	{"a":null}	{}	NULL
4	{"a":"b", "b":"c"}	{"a":null}	{"b": "c"}	NULL
5	{"a":["b"]}	{"a":"c"}	{"a": "c"}	"c"
6	{"a":"c"}	{"a":["b"]}	{"a": ["b"]}	["b"]
7	{"a": {"b":"c"}}	{"a": {"b":"d", "c":null}}	{"a": {"b": "d"}}	{"b": "d"}
8	{"a":[{"b":"c"}]}	{"a": [1]}	{"a": [1]}	[1]
9	["a","b"]	["c","d"]	["c", "d"]	NULL
10	{"a":"b"}	["c"]	["c"]	NULL
11	{"a":"foo"}	null	null	NULL
12	{"a":"foo"}	"bar"	"bar"	NULL
13	{"e":null}	{"a":1}	{"e": null, "a": 1}	1
14	[1,2]	{"a":"b", "c":null}	{"a": "b"}	"b"
15	{}	{"a":{"bb":{"ccc":null}}}	{"a": {"bb": {}}}	{"bb": {}}
16	NULL	{}	NULL	NULL
17	{}	NULL	NULL	NULL
DROP TABLE merge_t;
SELECT JSON_MERGE_PATCH('{"a":"b"}', NULL, '{"c":"d"}');
JSON_MERGE_PATCH('{"a":"b"}', NULL, '{"c":"d"}')
NULL
SELECT JSON_MERGE_PATCH(NULL, '[1,2,3]');
JSON_MERGE_PATCH(NULL, '[1,2,3]')
[1, 2, 3]
SELECT JSON_MERGE_PATCH(NULL, 'a');
JSON_MERGE_PATCH(NULL, 'a')
NULL
Warnings:
Warning	4038	Syntax error in JSON text in argument 2 to function 'json_merge_patch' at position 1
SELECT JSON_MERGE_PATCH('{"a":"b"}', NULL, '[1,2,3]', '{"c":null,"d":"e"}');
JSON_MERGE_PATCH('{"a":"b"}', NULL, '[1,2,3]', '{"c":null,"d":"e"}')
{"d": "e"}
SELECT JSON_MERGE_PATCH();
ERROR 42000: Incorrect parameter count in the call to native function 'JSON_MERGE_PATCH'
SELECT JSON_MERGE_PATCH('{}');
ERROR 42000: Incorrect parameter count in the call to native function 'JSON_MERGE_PATCH'
SELECT JSON_MERGE_PATCH('{', '[1,2,3]');
JSON_MERGE_PATCH('{', '[1,2,3]')
NULL
Warnings:
Warning	4037	Unexpected end of JSON text in argument 1 to function 'json_merge_patch'
SELECT JSON_MERGE_PATCH('{"a":"b"}', '[1,');
JSON_MERGE_PATCH('{"a":"b"}', '[1,')
NULL
Warnings:
Warning	4037	Unexpected end of JSON text in argument 2 to function 'json_merge_patch'
#
# MDEV-22976 CAST(JSON_EXTRACT() AS DECIMAL) does not handle boolean values
#
SELECT
CAST(JSON_EXTRACT('{"x":true}', '$.x') AS DOUBLE) AS cf,
CAST(JSON_EXTRACT('{"x":true}', '$.x') AS DECIMAL) AS cd;
cf	cd
1	1
SELECT
CAST(JSON_EXTRACT('{"x":false}', '$.x') AS DOUBLE) AS cf,
CAST(JSON_EXTRACT('{"x":false}', '$.x') AS DECIMAL) AS cd;
cf	cd
0	0
#
# MDEV-24585 Assertion `je->s.cs == nice_js->charset()' failed in json_nice.
#
SELECT JSON_REPLACE( JSON_DETAILED('["x"]'), '$.a', 'xx' );
JSON_REPLACE( JSON_DETAILED('["x"]'), '$.a', 'xx' )
["x"]
#
# MDEV-18284 JSON casting using JSON_COMPACT doesn't always work
#            with values from subqueries
#
CREATE TABLE json_test(a JSON, b JSON);
INSERT INTO json_test VALUES ("[1,2,3]", '{"a":"foo"}');
SELECT * FROM json_test;
a	b
[1,2,3]	{"a":"foo"}
SELECT json_object("a", json_compact(a), "b", b)
FROM (SELECT * FROM json_test) AS json_test_values;
json_object("a", json_compact(a), "b", b)
{"a": [1,2,3], "b": "{\"a\":\"foo\"}"}
SELECT json_object("a", json_compact(a), "b", json_compact(b))
FROM (SELECT * FROM json_test) AS json_test_values;
json_object("a", json_compact(a), "b", json_compact(b))
{"a": [1,2,3], "b": {"a":"foo"}}
DROP TABLE json_test;
#
# End of 10.2 tests
#