HSTRLEN
Syntax
HSTRLEN key field
- Available since:
- Redis Open Source 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.
Examples
Return information
Integer reply: the string length of the value associated with the field, or zero when the field isn't present in the hash or the key doesn't exist at all.