JSON.RESP

The JSON.RESP command in DiceDB is part of the DiceDBJSON module, which returns the JSON in the specified key in Redis Serialization Protocol Specification (RESP) form.

Syntax

JSON.RESP <key> [path]

Parameters

Parameter	Description	Type	Required
key	The key under which the JSON data is stored.	String	Yes
path	The JSON path to the specific part of the JSON data to fetch. Defaults to the root if not provided.	String	No

Return Value

Condition	Return Value
if path is provided	JSON value at the specified path in RESP form.

Behaviour

• If the path is not provided, it defaults to the root of the JSON data.

Errors

1. Wrong Type:
   • Error Message: WRONGTYPE Operation against a key holding the wrong kind of value
   • If the key exists but does not hold JSON data, DiceDB will return an error.

Example Usage

JSON.RESP on array

The JSON.RESP command returns the entire JSON data stored under the key arrayjson in RESP form.

127.0.0.1:7379> JSON.SET arrayjson $ '["dice",10,10.5,true,null]'
OK
127.0.0.1:7379> JSON.RESP
1) [
2) "dice"
3) (integer) 10
4) "10.5"
5) true
6) (nil)

JSON.RESP on nested JSON

The JSON.RESP command returns the JSON data stored under the key myjson at $.b in RESP form.

127.0.0.1:7379> JSON.SET myjson $ '{"a":100,"b":["dice",10,10.5,true,null]}'
OK
127.0.0.1:7379> JSON.RESP myjson $.b
1) 1) [
   2) "dice"
   3) (integer) 10
   4) "10.5"
   5) true
   6) (nil)

Notes

• JSONPath expressions are used to navigate and specify the location within the JSON document. Familiarity with JSONPath syntax is beneficial for effective use of this command.