hlen.3valkey - Man Page
Returns the number of fields in a hash.
Synopsis
HLEN key
Description
Returns the number of fields contained in the hash stored at key.
Reply
Resp2
valkey-protocol(7) Integer reply: the number of fields in the hash, or 0 when the key does not exist.
Resp3
valkey-protocol(7) Integer reply: the number of the fields in the hash, or 0 when the key does not exist.
Complexity
O(1)
Acl Categories
@fast @hash @read
History
- Available since: 2.0.0
Examples
127.0.0.1:6379> HSET myhash field1 "Hello" (integer) 1 127.0.0.1:6379> HSET myhash field2 "World" (integer) 1 127.0.0.1:6379> HLEN myhash (integer) 2
See Also
hdel(3valkey), hexists(3valkey), hget(3valkey), hgetall(3valkey), hincrby(3valkey), hincrbyfloat(3valkey), hkeys(3valkey), hmget(3valkey), hrandfield(3valkey), hscan(3valkey), hset(3valkey), hsetnx(3valkey), hstrlen(3valkey), hvals(3valkey)
Info
2024-09-23 8.0.0 Valkey Command Manual