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HSTRLEN

Syntax​

HSTRLEN key field

Time complexity: O(1)

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