HSTRLEN

HSTRLEN

HSTRLEN key field

Available since:

3.2.0

Time complexity:

O(1)

ACL categories:

@read, @hash, @fast,

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.

Return

Integer reply: the string length of the value associated with field, or zero when field is not present in the hash or key does not exist at all.

Examples

HMSET myhash f1 HelloWorld f2 99 f3 -256
HSTRLEN myhash f1
HSTRLEN myhash f2
HSTRLEN myhash f3