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.