- Usage:
-
HSTRLEN key field
- Complexity:
- O(1)
- Since:
- 3.2.0
Returns the string length of the value associated with field in the hash stored at key. If the key or the field do not exist, 0 is returned.
Examples
127.0.0.1:6379> HSET myhash f1 HelloWorld f2 99 f3 -256
(integer) 3
127.0.0.1:6379> HSTRLEN myhash f1
(integer) 10
127.0.0.1:6379> HSTRLEN myhash f2
(integer) 2
127.0.0.1:6379> HSTRLEN myhash f3
(integer) 4
RESP2/RESP3 Reply
Integer reply: the string length of the value associated with the field, or zero when the field isn't present in the hash or the key doesn't exist at all.