lset.3valkey - Man Page

LSET key index element

Sets the list element at index to element. For more information on the index argument, see LINDEX.

An error is returned for out of range indexes.

valkey-protocol(7) Simple string reply: OK.

O(N) where N is the length of the list. Setting either the first or the last element of the list is O(1).

@list @slow @write

• Available since: 1.0.0

127.0.0.1:6379> RPUSH mylist "one"
(integer) 1
127.0.0.1:6379> RPUSH mylist "two"
(integer) 2
127.0.0.1:6379> RPUSH mylist "three"
(integer) 3
127.0.0.1:6379> LSET mylist 0 "four"
OK
127.0.0.1:6379> LSET mylist -2 "five"
OK
127.0.0.1:6379> LRANGE mylist 0 -1
1) "four"
2) "five"
3) "three"

blmove(3valkey), blmpop(3valkey), blpop(3valkey), brpop(3valkey), lindex(3valkey), linsert(3valkey), llen(3valkey), lmove(3valkey), lmpop(3valkey), lpop(3valkey), lpos(3valkey), lpush(3valkey), lpushx(3valkey), lrange(3valkey), lrem(3valkey), ltrim(3valkey), rpop(3valkey), rpush(3valkey), rpushx(3valkey)