HKEYS key

Available since 2.0.0.

Time complexity: O(N) where N is the size of the hash.

Returns all field names in the hash stored at key.

*Return value

Array reply: list of fields in the hash, or an empty list when key does not exist.

*Examples

redis> HSET myhash field1 "Hello" 

  1. (integer) 1

redis> HSET myhash field2 "World" 

  1. (integer) 1

redis> HKEYS myhash 

  1. 1) "field1"
  2. 2) "field2"
redis>