Filter expression with multiplication

Setup

Selector: $[?(@.key*2==100)]

[{"key": 60}, {"key": 50}, {"key": 10}, {"key": -50}, {"key*2": 100}]

Results

Other responses

Bash (JSONPath.sh) 

[]

C (json-glib)

Not supported

Unable to compile selector `$[?(@.key*2==100)]': Invalid array index definition “?(@.key*2==100)]”

Clojure (json-path) ¹ 

[
  {
    "key": 60
  },
  {
    "key": 50
  },
  {
    "key": 10
  },
  {
    "key": -50
  },
  {
    "key*2": 100
  }
]

Cpp (jsoncons) 

[
  {
    "key": 50
  }
]

Dart (json_path)

Not supported

FormatException: end of input expected at 1:2. Expression: $[?(@.key*2==100)]

Elixir (ExJsonPath)

Not supported

syntax error before: '*'

Elixir (jaxon) 

[]

Elixir (warpath) ¹

Not supported

Parser error: Invalid token on line 1, syntax error before: <<"*">>

Golang (github.com-AsaiYusuke-jsonpath) ²

Not supported

invalid syntax (position=1, reason=unrecognized input, near=[?(@.key*2==100)])

Golang (github.com-PaesslerAG-jsonpath) ¹

Not supported

parsing error: $[?(@.key*2==100)]	:1:10 - 1:11 unexpected "*" while scanning parentheses expected ")"

Golang (github.com-bhmj-jsonslice) ¹ ³ 

[
  {
    "key": 50
  }
]

Golang (github.com-ohler55-ojg)

Not supported

Golang (github.com-oliveagle-jsonpath) ¹ 

[]

Golang (github.com-spyzhov-ajson) 

[
  {
    "key*2": 100
  }
]

Golang (github.com-vmware-labs-yaml-jsonpath) 

[
  {
    "key*2": 100
  }
]

Haskell (jsonpath)

Not supported

Invalid JSONPath: $[?(@.key*2==100)]
 Error: 1:10:
  |
1 | $[?(@.key*2==100)]
  |          ^
unexpected '*'
expecting "!=", "&&", "<=", "==", ">=", "||", '!', ')', '.', '<', '>', '[', or white space

JavaScript (Goessner) ² 

[
  {
    "key": 50
  }
]

JavaScript (brunerd) 

[
  {
    "key": 50
  }
]

JavaScript (jsonpath) 

[
  {
    "key": 50
  }
]

JavaScript (jsonpath-plus) 

[
  {
    "key": 50
  }
]

Java (com.github.jsurfer)

Not supported

org.antlr.v4.runtime.misc.ParseCancellationException

Java (com.jayway.jsonpath) ¹ ³ 

[
  {
    "key*2": 100
  }
]

Kotlin (com.nfeld.jsonpathkt) ¹

Not supported

Unexpected char, char=?, index=2

Objective-C (SMJJSONPath) ¹ ³ 

[
  {
    "key*2": 100
  }
]

PHP (galbar-jsonpath) ²

Not supported

Invalid JSONPath error: 'Error in JSONPath near '*2''

PHP (remorhaz-jsonpath)

Not supported

Error: 'Failed to build AST from JSONPath query: $[?(@.key*2==100)]'

PHP (softcreatr-jsonpath) 

[
  {
    "key*2": 100
  }
]

Python (jsonpath) ² 

[
  {
    "key": 50
  }
]

Python (jsonpath-ng)

Not supported

JsonPathLexerError('Error on line 1, col 2: Unexpected character: ? ')

Python (jsonpath-rw)

Not supported

JsonPathLexerError('Error on line 1, col 2: Unexpected character: ? ')

Python (jsonpath2)

Not supported

line 1:9 mismatched input '*' expecting ')'
ValueError("line 1:9 mismatched input '*' expecting ')'")

Raku (JSON-Path)

Not supported

Evaluation of embedded Perl 6 code not allowed (construct with :allow-eval)

Ruby (jsonpath) 

[
  {
    "key": 60
  },
  {
    "key": 50
  },
  {
    "key": 10
  },
  {
    "key": -50
  }
]

Rust (jsonpath)

Not supported

parsing error

Rust (jsonpath_lib)

Not supported

path error: 
$[?(@.key*2==100)]
^^^^^^^^^^

Rust (jsonpath_plus) 

[]

Scala (jsonpath)

Not supported

JPError(end of input expected)

Swift (Sextant) 

[
  {
    "key*2": 100
  }
]

dotNET (Json.NET) 

[
  {
    "key*2": 100
  }
]

dotNET (JsonCons.JsonPath) 

[
  {
    "key": 50
  }
]

dotNET (JsonPath.Net) 

[
  {
    "key": 50
  }
]

dotNET (JsonPathLib) 

[
  {
    "key": 50
  }
]

dotNET (Manatee.Json) 

[
  {
    "key": 50
  }
]

JSON (Path_Reference_Implementation)

Not supported

 --> 1:3
  |
1 | $[?(@.key*2==100)]
  |   ^---
  |
  = expected unionChild, unionArrayIndex, or sliceStart

Proposal (A)

Not supported


x 1:10-1:10 ComparisonOperator
| $[?(@.key*2==100)]
|          ^
| x 1:10-1:10 ScalarOperator
| | $[?(@.key*2==100)]
| |          ^
| o 1:5-1:10 DocumentValue
| | $[?(@.key*2==100)]
| |     ^^^^^
| o 1:5-1:10 UnaryFilterExpression
| | $[?(@.key*2==100)]
| |     ^^^^^
| | x 1:10-1:10 ScalarOperator
| | | $[?(@.key*2==100)]
| | |          ^
| | o 1:5-1:10 DocumentValue
| | | $[?(@.key*2==100)]
| | |     ^^^^^
| | o 1:5-1:10 FilterValue
| | | $[?(@.key*2==100)]
| | |     ^^^^^
| | | 
|/ /  
| | 
|/  
o 1:5-1:10 HigherPrecedenceFilterExpression
| $[?(@.key*2==100)]
|     ^^^^^
x 1:5-1:5 LogicalOr
| $[?(@.key*2==100)]
|     ^
| x 1:10-1:10 ComparisonOperator
| | $[?(@.key*2==100)]
| |          ^
| | x 1:10-1:10 ScalarOperator
| | | $[?(@.key*2==100)]
| | |          ^
| | o 1:5-1:10 DocumentValue
| | | $[?(@.key*2==100)]
| | |     ^^^^^
| | o 1:5-1:10 UnaryFilterExpression
| | | $[?(@.key*2==100)]
| | |     ^^^^^
| | | x 1:10-1:10 ScalarOperator
| | | | $[?(@.key*2==100)]
| | | |          ^
| | | o 1:5-1:10 DocumentValue
| | | | $[?(@.key*2==100)]
| | | |     ^^^^^
| | | o 1:5-1:10 FilterValue
| | | | $[?(@.key*2==100)]
| | | |     ^^^^^
| | | | 
| |/ /  
| | | 
| |/  
| o 1:5-1:10 HigherPrecedenceFilterExpression
| | $[?(@.key*2==100)]
| |     ^^^^^
| x 1:5-1:5 LogicalAnd
| | $[?(@.key*2==100)]
| |     ^
| | x 1:10-1:10 ComparisonOperator
| | | $[?(@.key*2==100)]
| | |          ^
| | | x 1:10-1:10 ScalarOperator
| | | | $[?(@.key*2==100)]
| | | |          ^
| | | o 1:5-1:10 DocumentValue
| | | | $[?(@.key*2==100)]
| | | |     ^^^^^
| | | o 1:5-1:10 UnaryFilterExpression
| | | | $[?(@.key*2==100)]
| | | |     ^^^^^
| | | | x 1:10-1:10 ScalarOperator
| | | | | $[?(@.key*2==100)]
| | | | |          ^
| | | | o 1:5-1:10 DocumentValue
| | | | | $[?(@.key*2==100)]
| | | | |     ^^^^^
| | | | o 1:5-1:10 FilterValue
| | | | | $[?(@.key*2==100)]
| | | | |     ^^^^^
| | | | | 
| | |/ /  
| | | | 
| | |/  
| | o 1:5-1:10 HigherPrecedenceFilterExpression
| | | $[?(@.key*2==100)]
| | |     ^^^^^
| | | 
|/ /  
| | 
|/  
o 1:5-1:10 FilterExpression
| $[?(@.key*2==100)]
|     ^^^^^
x 1:3-1:3 BracketElement
| $[?(@.key*2==100)]
|   ^
x 1:3-1:3 BracketElements
| $[?(@.key*2==100)]
|   ^
x 1:2-1:2 BracketChildren
| $[?(@.key*2==100)]
|  ^
x 1:2-1:2 Operator
| $[?(@.key*2==100)]
|  ^
o 1:1-1:2 Start
  $[?(@.key*2==100)]
  ^

Errors

Erlang (ejsonpath) 

init terminating in do_boot ({not_implemented,bin_op,*})

Crash dump is being written to: /dev/null...done
{"init terminating in do_boot",{not_implemented,bin_op,'*'}}

PHP (Goessner) ² 

ArgumentCountError

Perl (JSON-Path) 

non-safe evaluation, died at main.pl line 11.

Footnotes