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

redis> HMSET myhash f1 HelloWorld f2 99 f3 -256
TBD
redis> HSTRLEN myhash f1
TBD
redis> HSTRLEN myhash f2
TBD
redis> HSTRLEN myhash f3