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json.arrinsert

Insert one or more values into the array values at path before the index.

  • Inserting at index 0 prepends to the array.
  • A negative index values is interpreted as starting from the end.
  • The index must be in the array's boundary.

Examples

Enhanced path syntax:

127.0.0.1:6379> JSON.SET k1 . '[[], ["a"], ["a", "b"]]'
OK
127.0.0.1:6379> JSON.ARRINSERT k1 $[*] 0 '"c"'
1) (integer) 1
2) (integer) 2
3) (integer) 3
127.0.0.1:6379> JSON.GET k1
"[[\"c\"],[\"c\",\"a\"],[\"c\",\"a\",\"b\"]]"

Restricted path syntax:

127.0.0.1:6379> JSON.SET k1 . '[[], ["a"], ["a", "b"]]'
OK
127.0.0.1:6379> JSON.ARRINSERT k1 . 0 '"c"'
(integer) 4
127.0.0.1:6379> JSON.GET k1
"[\"c\",[],[\"a\"],[\"a\",\"b\"]]"