HSTRLEN

Syntax

HSTRLEN key field

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

dragonfly> HMSET myhash f1 HelloWorld f2 99 f3 -256
"OK"
dragonfly> HSTRLEN myhash f1
(integer) 10
dragonfly> HSTRLEN myhash f2
(integer) 2
dragonfly> HSTRLEN myhash f3
(integer) 4