Get key names in the object values at the path.
Syntax
JSON.OBJKEYS <key> [path]
key (required) – key of JSON document type
path (optional) – a JSON path. Defaults to the root if not provided
Return
If the path is enhanced syntax:
Array of array of bulk strings. Each element is an array of keys in a matching object.
-
If a value is not an object, its corresponding return value is empty value.
Null if the document key does not exist.
If the path is restricted syntax:
Array of bulk strings. Each element is a key name in the object.
If multiple objects are selected, the command returns the keys of the first object.
-
WRONGTYPEerror if the value at the path is not an object. -
WRONGTYPEerror if the path does not exist. -
Null if the document key does not exist.
Examples
Enhanced path syntax:
127.0.0.1:6379> JSON.SET k1 $ '{"a":{}, "b":{"a":"a"}, "c":{"a":"a", "b":"bb"}, "d":{"a":1, "b":"b", "c":{"a":3,"b":4}}, "e":1}'
OK
127.0.0.1:6379> JSON.OBJKEYS k1 $.*
1) (empty array)
2) 1) "a"
3) 1) "a"
2) "b"
4) 1) "a"
2) "b"
3) "c"
5) (empty array)
127.0.0.1:6379> JSON.OBJKEYS k1 $.d
1) 1) "a"
2) "b"
3) "c"
Restricted path syntax:
127.0.0.1:6379> JSON.SET k1 $ '{"a":{}, "b":{"a":"a"}, "c":{"a":"a", "b":"bb"}, "d":{"a":1, "b":"b", "c":{"a":3,"b":4}}, "e":1}'
OK
127.0.0.1:6379> JSON.OBJKEYS k1 .*
1) "a"
127.0.0.1:6379> JSON.OBJKEYS k1 .d
1) "a"
2) "b"
3) "c"
