Redis Lists: LSET

Last update on August 19 2022 21:51:12 (UTC/GMT +8 hours)

LSET key index value

Redis LSET command is used to set the list element at index to value. The index is zero-based, so 0 means the first element, 1 the second element and so on. Negative indices can be used to designate elements starting at the tail of the list.

Syntax:

LSET KEY_NAME INDEX VALUE

Available since

1.0.0.

Return Value

String reply, OK

Return Value Type

String

Example: Redis LSET

127.0.0.1:6379> LPUSH mycolor1 white black red blue
(integer) 4
127.0.0.1:6379> LRANGE mycolor1 0 -1
1) "blue"
2) "red"
3) "black"
4) "white"
127.0.0.1:6379> LSET mycolor1 2 YELLOW
OK
127.0.0.1:6379> LSET mycolor1 -1 GREEN
OK
127.0.0.1:6379> LRANGE mycolor1 0 -1
1) "blue"
2) "red"
3) "YELLOW"
4) "GREEN"

127.0.0.1:6379> LSET mycolor 2 YELLOW
(error) ERR index out of range

Previous: LREM
Next: LRANGE

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