HLEN

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Synopsis

HLEN keyThis 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

You can do this as shown below.

1. $ HSET yugahash area1 "Africa"

1. 1

1. $ HSET yugahash area2 "America"

1. 1

1. $ HLEN yugahash

1. 2

See Also

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