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JSON.CLEAR

Clear the arrays or an object at the specified path.

Usage
JSON.CLEAR key [path]
Complexity
O(N) where N is the number of json arrays/objects matched by the path.
Module
valkey-json
Since module version
1.0.0
ACL Categories
@write, @fast, @json

Clear the arrays or objects at the path.

Examples

127.0.0.1:6379> JSON.SET k1 . '[[], [0], [0,1], [0,1,2], 1, true, null, "d"]'
OK
127.0.0.1:6379>  JSON.CLEAR k1  $[*]
(integer) 6
127.0.0.1:6379> JSON.CLEAR k1  $[*]
(integer) 0 
127.0.0.1:6379> JSON.SET k2 . '{"children": ["John", "Jack", "Tom", "Bob", "Mike"]}'
OK
127.0.0.1:6379> JSON.CLEAR k2 .children
(integer) 1
127.0.0.1:6379> JSON.GET k2 .children
"[]"

Replies

RESP2

  • Integer reply:
    • The number of containers cleared.
    • Returns 0 if clearing an empty array or object.
    • Returns 0 if clearing a non-container value.
    • Returns 0 if no array or object value is located by the path.

RESP3

  • Integer reply:
    • The number of containers cleared.
    • Returns 0 if clearing an empty array or object.
    • Returns 0 if clearing a non-container value.
    • Returns 0 if no array or object value is located by the path.