HSTRLEN
Syntax
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
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