Redis

HKEYS key

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"
(integer) 1
redis>  HSET myhash field2 "World"
(integer) 1
redis>  HKEYS myhash
1) "field1"
2) "field2"
redis> 
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