-- Tags: no-fasttest SELECT '--allow_simdjson=1--'; SET allow_simdjson=1; SELECT '--JSONLength--'; SELECT JSONLength('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT JSONLength('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONLength('{}'); SELECT '--JSONHas--'; SELECT JSONHas('{"a": "hello", "b": [-100, 200.0, 300]}', 'a'); SELECT JSONHas('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONHas('{"a": "hello", "b": [-100, 200.0, 300]}', 'c'); SELECT '--isValidJSON--'; SELECT isValidJSON('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT isValidJSON('not a json'); SELECT isValidJSON('"HX-='); SELECT '--JSONKey--'; SELECT JSONKey('{"a": "hello", "b": [-100, 200.0, 300]}', 1); SELECT JSONKey('{"a": "hello", "b": [-100, 200.0, 300]}', 2); SELECT JSONKey('{"a": "hello", "b": [-100, 200.0, 300]}', -1); SELECT JSONKey('{"a": "hello", "b": [-100, 200.0, 300]}', -2); SELECT '--JSONType--'; SELECT JSONType('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT JSONType('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT '--JSONExtract--'; SELECT JSONExtractInt('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 1); SELECT JSONExtractFloat('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 2); SELECT JSONExtractUInt('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', -1); SELECT JSONExtractBool('{"passed": true}', 'passed'); SELECT JSONExtractBool('"HX-='); SELECT '--JSONExtractString--'; SELECT JSONExtractString('{"a": "hello", "b": [-100, 200.0, 300]}', 'a'); SELECT JSONExtractString('{"a": "hello", "b": [-100, 200.0, 300]}', 1); select JSONExtractString('{"abc":"\\n\\u0000"}', 'abc'); select JSONExtractString('{"abc":"\\u263a"}', 'abc'); select JSONExtractString('{"abc":"\\u263"}', 'abc'); select JSONExtractString('{"abc":"hello}', 'abc'); SELECT '--JSONExtract (generic)--'; SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'Tuple(String, Array(Float64))'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'Tuple(a String, b Array(Float64))'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'Tuple(b Array(Float64), a String)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'Tuple(a FixedString(6), c UInt8)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'a', 'String'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(Float32)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Tuple(Int8, Float32, UInt16)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(Int8)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(Nullable(Int8))'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(UInt8)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(Nullable(UInt8))'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 1, 'Int8'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 2, 'Int32'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 4, 'Nullable(Int64)'); SELECT JSONExtract('{"passed": true}', 'passed', 'UInt8'); SELECT JSONExtract('{"day": "Thursday"}', 'day', 'Enum8(\'Sunday\' = 0, \'Monday\' = 1, \'Tuesday\' = 2, \'Wednesday\' = 3, \'Thursday\' = 4, \'Friday\' = 5, \'Saturday\' = 6)'); SELECT JSONExtract('{"day": 5}', 'day', 'Enum8(\'Sunday\' = 0, \'Monday\' = 1, \'Tuesday\' = 2, \'Wednesday\' = 3, \'Thursday\' = 4, \'Friday\' = 5, \'Saturday\' = 6)'); SELECT JSONExtract('{"a":3,"b":5,"c":7}', 'Tuple(a Int, b Int)'); SELECT JSONExtract('{"a":3,"b":5,"c":7}', 'Tuple(c Int, a Int)'); SELECT JSONExtract('{"a":3,"b":5,"c":7}', 'Tuple(b Int, d Int)'); SELECT JSONExtract('{"a":3,"b":5,"c":7}', 'Tuple(Int, Int)'); SELECT JSONExtract('{"a":3}', 'Tuple(Int, Int)'); SELECT JSONExtract('[3,5,7]', 'Tuple(Int, Int)'); SELECT JSONExtract('[3]', 'Tuple(Int, Int)'); SELECT JSONExtract('{"a":123456, "b":3.55}', 'Tuple(a LowCardinality(Int32), b Decimal(5, 2))'); SELECT JSONExtract('{"a":1, "b":"417ddc5d-e556-4d27-95dd-a34d84e46a50"}', 'Tuple(a Int8, b UUID)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'a', 'LowCardinality(String)'); SELECT JSONExtract('{"a":3333.6333333333333333333333, "b":"test"}', 'Tuple(a Decimal(10,1), b LowCardinality(String))'); SELECT JSONExtract('{"a":"3333.6333333333333333333333", "b":"test"}', 'Tuple(a Decimal(10,1), b LowCardinality(String))'); SELECT JSONExtract('{"a":3333.6333333333333333333333, "b":"test"}', 'Tuple(a Decimal(20,10), b LowCardinality(String))'); SELECT JSONExtract('{"a":"3333.6333333333333333333333", "b":"test"}', 'Tuple(a Decimal(20,10), b LowCardinality(String))'); SELECT JSONExtract('{"a":123456.123456}', 'a', 'Decimal(20, 4)') as a, toTypeName(a); SELECT JSONExtract('{"a":"123456.123456"}', 'a', 'Decimal(20, 4)') as a, toTypeName(a); SELECT JSONExtract('{"a":"123456789012345.12"}', 'a', 'Decimal(30, 4)') as a, toTypeName(a); SELECT JSONExtract('{"a":"1234567890.12345678901234567890", "b":"test"}', 'Tuple(a Decimal(35,20), b LowCardinality(String))') as a, toTypeName(a); SELECT JSONExtract('{"a":"1234567890.123456789012345678901234567890", "b":"test"}', 'Tuple(a Decimal(45,30), b LowCardinality(String))') as a, toTypeName(a); SELECT toDecimal64(123456789012345.12, 4), JSONExtract('{"a":123456789012345.12}', 'a', 'Decimal(30, 4)'); SELECT toDecimal128(1234567890.12345678901234567890, 20), JSONExtract('{"a":1234567890.12345678901234567890, "b":"test"}', 'Tuple(a Decimal(35,20), b LowCardinality(String))'); SELECT toDecimal256(1234567890.123456789012345678901234567890, 30), JSONExtract('{"a":1234567890.12345678901234567890, "b":"test"}', 'Tuple(a Decimal(45,30), b LowCardinality(String))'); SELECT JSONExtract('{"a":-1234567890}', 'a', 'Int32') as a, toTypeName(a); SELECT JSONExtract('{"a":1234567890}', 'a', 'UInt32') as a, toTypeName(a); SELECT JSONExtract('{"a":-1234567890123456789}', 'a', 'Int64') as a, toTypeName(a); SELECT JSONExtract('{"a":1234567890123456789}', 'a', 'UInt64') as a, toTypeName(a); SELECT JSONExtract('{"a":-1234567890123456789}', 'a', 'Int128') as a, toTypeName(a); SELECT JSONExtract('{"a":1234567890123456789}', 'a', 'UInt128') as a, toTypeName(a); SELECT JSONExtract('{"a":-1234567890123456789}', 'a', 'Int256') as a, toTypeName(a); SELECT JSONExtract('{"a":1234567890123456789}', 'a', 'UInt256') as a, toTypeName(a); SELECT JSONExtract('{"a":-123456789.345}', 'a', 'Int32') as a, toTypeName(a); SELECT JSONExtract('{"a":123456789.345}', 'a', 'UInt32') as a, toTypeName(a); SELECT JSONExtract('{"a":-123456789012.345}', 'a', 'Int64') as a, toTypeName(a); SELECT JSONExtract('{"a":123456789012.345}', 'a', 'UInt64') as a, toTypeName(a); SELECT JSONExtract('{"a":-123456789012.345}', 'a', 'Int128') as a, toTypeName(a); SELECT JSONExtract('{"a":123456789012.345}', 'a', 'UInt128') as a, toTypeName(a); SELECT JSONExtract('{"a":-123456789012.345}', 'a', 'Int256') as a, toTypeName(a); SELECT JSONExtract('{"a":123456789012.345}', 'a', 'UInt256') as a, toTypeName(a); SELECT JSONExtract('{"a":"-123456789"}', 'a', 'Int32') as a, toTypeName(a); SELECT JSONExtract('{"a":"123456789"}', 'a', 'UInt32') as a, toTypeName(a); SELECT JSONExtract('{"a":"-1234567890123456789"}', 'a', 'Int64') as a, toTypeName(a); SELECT JSONExtract('{"a":"1234567890123456789"}', 'a', 'UInt64') as a, toTypeName(a); SELECT JSONExtract('{"a":"-12345678901234567890123456789012345678"}', 'a', 'Int128') as a, toTypeName(a); SELECT JSONExtract('{"a":"12345678901234567890123456789012345678"}', 'a', 'UInt128') as a, toTypeName(a); SELECT JSONExtract('{"a":"-11345678901234567890123456789012345678901234567890123456789012345678901234567"}', 'a', 'Int256') as a, toTypeName(a); SELECT JSONExtract('{"a":"11345678901234567890123456789012345678901234567890123456789012345678901234567"}', 'a', 'UInt256') as a, toTypeName(a); SELECT JSONExtract('{"a":"-1234567899999"}', 'a', 'Int32') as a, toTypeName(a); SELECT JSONExtract('{"a":"1234567899999"}', 'a', 'UInt32') as a, toTypeName(a); SELECT JSONExtract('{"a":"-1234567890123456789999"}', 'a', 'Int64') as a, toTypeName(a); SELECT JSONExtract('{"a":"1234567890123456789999"}', 'a', 'UInt64') as a, toTypeName(a); SELECT JSONExtract('{"a":0}', 'a', 'Bool') as a, toTypeName(a); SELECT JSONExtract('{"a":1}', 'a', 'Bool') as a, toTypeName(a); SELECT '--JSONExtractKeysAndValues--'; SELECT JSONExtractKeysAndValues('{"a": "hello", "b": [-100, 200.0, 300]}', 'String'); SELECT JSONExtractKeysAndValues('{"a": "hello", "b": [-100, 200.0, 300]}', 'Array(Float64)'); SELECT JSONExtractKeysAndValues('{"a": "hello", "b": "world"}', 'String'); SELECT JSONExtractKeysAndValues('{"x": {"a": 5, "b": 7, "c": 11}}', 'x', 'Int8'); SELECT JSONExtractKeysAndValues('{"a": "hello", "b": "world"}', 'LowCardinality(String)'); SELECT '--JSONExtractRaw--'; SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'a'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 1); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c', 'd'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c', 'd', 2); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c', 'd', 3); SELECT JSONExtractRaw('{"passed": true}'); SELECT JSONExtractRaw('{}'); SELECT JSONExtractRaw('{"abc":"\\n\\u0000"}', 'abc'); SELECT JSONExtractRaw('{"abc":"\\u263a"}', 'abc'); SELECT '--JSONExtractArrayRaw--'; SELECT JSONExtractArrayRaw(''); SELECT JSONExtractArrayRaw('{"a": "hello", "b": "not_array"}'); SELECT JSONExtractArrayRaw('[]'); SELECT JSONExtractArrayRaw('[[],[]]'); SELECT JSONExtractArrayRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONExtractArrayRaw('[1,2,3,4,5,"hello"]'); SELECT JSONExtractArrayRaw(arrayJoin(JSONExtractArrayRaw('[[1,2,3],[4,5,6]]'))); SELECT '--JSONExtractKeysAndValuesRaw--'; SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'a'); SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}'); SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c'); SELECT '--const/non-const mixed--'; SELECT JSONExtractString('["a", "b", "c", "d", "e"]', idx) FROM (SELECT arrayJoin([1,2,3,4,5]) AS idx); SELECT JSONExtractString(json, 's') FROM (SELECT arrayJoin(['{"s":"u"}', '{"s":"v"}']) AS json); SELECT '--show error: type should be const string'; SELECT JSONExtractKeysAndValues([], JSONLength('^?V{LSwp')); -- { serverError 44 } WITH '{"i": 1, "f": 1.2}' AS json SELECT JSONExtract(json, 'i', JSONType(json, 'i')); -- { serverError 44 } SELECT '--allow_simdjson=0--'; SET allow_simdjson=0; SELECT '--JSONLength--'; SELECT JSONLength('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT JSONLength('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONLength('{}'); SELECT '--JSONHas--'; SELECT JSONHas('{"a": "hello", "b": [-100, 200.0, 300]}', 'a'); SELECT JSONHas('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONHas('{"a": "hello", "b": [-100, 200.0, 300]}', 'c'); SELECT '--isValidJSON--'; SELECT isValidJSON('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT isValidJSON('not a json'); SELECT isValidJSON('"HX-='); SELECT '--JSONKey--'; SELECT JSONKey('{"a": "hello", "b": [-100, 200.0, 300]}', 1); SELECT JSONKey('{"a": "hello", "b": [-100, 200.0, 300]}', 2); SELECT JSONKey('{"a": "hello", "b": [-100, 200.0, 300]}', -1); SELECT JSONKey('{"a": "hello", "b": [-100, 200.0, 300]}', -2); SELECT '--JSONType--'; SELECT JSONType('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT JSONType('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT '--JSONExtract--'; SELECT JSONExtractInt('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 1); SELECT JSONExtractFloat('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 2); SELECT JSONExtractUInt('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', -1); SELECT JSONExtractBool('{"passed": true}', 'passed'); SELECT JSONExtractBool('"HX-='); SELECT '--JSONExtractString--'; SELECT JSONExtractString('{"a": "hello", "b": [-100, 200.0, 300]}', 'a'); SELECT JSONExtractString('{"a": "hello", "b": [-100, 200.0, 300]}', 1); select JSONExtractString('{"abc":"\\n\\u0000"}', 'abc'); select JSONExtractString('{"abc":"\\u263a"}', 'abc'); select JSONExtractString('{"abc":"\\u263"}', 'abc'); select JSONExtractString('{"abc":"hello}', 'abc'); SELECT '--JSONExtract (generic)--'; SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'Tuple(String, Array(Float64))'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'Tuple(a String, b Array(Float64))'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'Tuple(b Array(Float64), a String)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'Tuple(a FixedString(6), c UInt8)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'a', 'String'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(Float32)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Tuple(Int8, Float32, UInt16)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(Int8)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(Nullable(Int8))'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(UInt8)'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 'Array(Nullable(UInt8))'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 1, 'Int8'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 2, 'Int32'); SELECT JSONExtract('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 4, 'Nullable(Int64)'); SELECT JSONExtract('{"passed": true}', 'passed', 'UInt8'); SELECT JSONExtract('{"day": "Thursday"}', 'day', 'Enum8(\'Sunday\' = 0, \'Monday\' = 1, \'Tuesday\' = 2, \'Wednesday\' = 3, \'Thursday\' = 4, \'Friday\' = 5, \'Saturday\' = 6)'); SELECT JSONExtract('{"day": 5}', 'day', 'Enum8(\'Sunday\' = 0, \'Monday\' = 1, \'Tuesday\' = 2, \'Wednesday\' = 3, \'Thursday\' = 4, \'Friday\' = 5, \'Saturday\' = 6)'); SELECT JSONExtract('{"a":3,"b":5,"c":7}', 'Tuple(a Int, b Int)'); SELECT JSONExtract('{"a":3,"b":5,"c":7}', 'Tuple(c Int, a Int)'); SELECT JSONExtract('{"a":3,"b":5,"c":7}', 'Tuple(b Int, d Int)'); SELECT JSONExtract('{"a":3,"b":5,"c":7}', 'Tuple(Int, Int)'); SELECT JSONExtract('{"a":3}', 'Tuple(Int, Int)'); SELECT JSONExtract('[3,5,7]', 'Tuple(Int, Int)'); SELECT JSONExtract('[3]', 'Tuple(Int, Int)'); SELECT '--JSONExtractKeysAndValues--'; SELECT JSONExtractKeysAndValues('{"a": "hello", "b": [-100, 200.0, 300]}', 'String'); SELECT JSONExtractKeysAndValues('{"a": "hello", "b": [-100, 200.0, 300]}', 'Array(Float64)'); SELECT JSONExtractKeysAndValues('{"a": "hello", "b": "world"}', 'String'); SELECT JSONExtractKeysAndValues('{"x": {"a": 5, "b": 7, "c": 11}}', 'x', 'Int8'); SELECT '--JSONExtractRaw--'; SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'a'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'b', 1); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c', 'd'); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c', 'd', 2); SELECT JSONExtractRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c', 'd', 3); SELECT JSONExtractRaw('{"passed": true}'); SELECT JSONExtractRaw('{}'); SELECT JSONExtractRaw('{"abc":"\\n\\u0000"}', 'abc'); SELECT JSONExtractRaw('{"abc":"\\u263a"}', 'abc'); SELECT '--JSONExtractArrayRaw--'; SELECT JSONExtractArrayRaw(''); SELECT JSONExtractArrayRaw('{"a": "hello", "b": "not_array"}'); SELECT JSONExtractArrayRaw('[]'); SELECT JSONExtractArrayRaw('[[],[]]'); SELECT JSONExtractArrayRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONExtractArrayRaw('[1,2,3,4,5,"hello"]'); SELECT JSONExtractArrayRaw(arrayJoin(JSONExtractArrayRaw('[[1,2,3],[4,5,6]]'))); SELECT '--JSONExtractKeysAndValuesRaw--'; SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'a'); SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}'); SELECT JSONExtractKeysAndValuesRaw('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c'); SELECT '--JSONExtractKeys--'; SELECT JSONExtractKeys('{"a": "hello", "b": [-100, 200.0, 300]}'); SELECT JSONExtractKeys('{"a": "hello", "b": [-100, 200.0, 300]}', 'b'); SELECT JSONExtractKeys('{"a": "hello", "b": [-100, 200.0, 300]}', 'a'); SELECT JSONExtractKeys('{"a": "hello", "b": [-100, 200.0, 300], "c":{"d":[121,144]}}', 'c'); SELECT '--const/non-const mixed--'; SELECT JSONExtractString('["a", "b", "c", "d", "e"]', idx) FROM (SELECT arrayJoin([1,2,3,4,5]) AS idx); SELECT JSONExtractString(json, 's') FROM (SELECT arrayJoin(['{"s":"u"}', '{"s":"v"}']) AS json); SELECT '--show error: type should be const string'; SELECT JSONExtractKeysAndValues([], JSONLength('^?V{LSwp')); -- { serverError 44 } WITH '{"i": 1, "f": 1.2}' AS json SELECT JSONExtract(json, 'i', JSONType(json, 'i')); -- { serverError 44 } SELECT '--show error: index type should be integer'; SELECT JSONExtract('[]', JSONExtract('0', 'UInt256'), 'UInt256'); -- { serverError 43 }