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LSET

Sets the value of an element in a list by its index. If the index is out of range, an error is returned.

Syntax​

LSET key index value

Details​

  • Available since: 1.0.0
  • Time complexity: O(N) where N is the length of the list.
  • ACL categories: @write, @list, @fast

Example​

Assume we have a list called mylist with elements "a", "b", "c", "d", and "e":

RPUSH mylist "a"
RPUSH mylist "b"
RPUSH mylist "c"
RPUSH mylist "d"
RPUSH mylist "e"

Now, let's set the value at index 2 in mylist to "z":

LSET mylist 2 "z"

RESP2/RESP3 Reply​

Simple string reply: OK if the operation was successful.