HLEN

Synopsis

HLEN key
This command fetches the number of fields in the hash that is associated with the given key.

If the `key` does not exist, 0 is returned.

If the `key` is associated with non-hash data, an error is raised.

Return value

Returns number of fields in the specified hash.

Examples

1

1

2

See also

hdel, hexists, hget, hgetall, hkeys, hmget, hmset, hset, hincrby, hstrlen, hvals