Commandslset
LSET
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Replace the value at a given index
Usage is lset key index value.
Replaces the value at the given index with a new value.
From the left, indexes are 0, 1, 2; from the right they are -1, -2, -3.
Example
| Command> | lpush mylist value1 value2 value3 value4 |
| Result> | 4 |
| Command> | lrange mylist 0 -1 |
| Result> | 0) value4 1) value3 2) value2 3) value1 |
| Command> | lset mylist 0 "XXXXX" |
| Result> | OK |
| Command> | lset mylist 2 "YYYYY" |
| Result> | OK |
| Command> | lset mylist -1 "ZZZZZ" |
| Result> | OK |
| Command> | lrange mylist 0 -1 |
| Result> | 0) XXXXX 1) value3 2) YYYYY 3) ZZZZZ |
Syntax
LSET key index value
- Available since version 1.0.0.
- Time complexity is O(N). N is the number of elements.
Setting the first or last element of the list is O(1).
| Related commands | LINDEX, LINSERT, LREM |
| Clients for Java | Jedis, Lettuce, Redisson | Clients for C | Hiredis |
| << LPOS | LSET | LINSERT >> |
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