Returns the reference count of a value of a key.
OBJECT
REFCOUNT
key
This command returns the reference count of the stored at
<key>
.
One of the following:
Integer reply: the number of references.
Nil reply: if key doesn’t exist.
One of the following:
Integer reply: the number of references.
Null reply: if key doesn’t exist.
O(1)
@keyspace @read @slow
COPY, DEL, DUMP, EXISTS, EXPIRE, EXPIREAT, EXPIRETIME, KEYS, MIGRATE, MOVE, OBJECT, OBJECT ENCODING, OBJECT FREQ, OBJECT HELP, OBJECT IDLETIME, PERSIST, PEXPIRE, PEXPIREAT, PEXPIRETIME, PTTL, RANDOMKEY, RENAME, RENAMENX, RESTORE, SCAN, SORT, SORT_RO, TOUCH, TTL, TYPE, UNLINK, WAIT, WAITAOF.