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HKEYS

Returns all field names in the hash stored at key.

Syntax​

HKEYS key

Details​

  • Available since: 2.0.0
  • Time complexity: O(N) where N is the size of the hash.
  • ACL categories: @read, @hash, @fast

Example​

Assume we have a hash called myhash with fields "field1" and "field2":

HSET myhash field1 "value1"
HSET myhash field2 "value2"

Now, let's retrieve all field names from myhash:

HKEYS myhash

This will output:

1) "field1"
2) "field2"

RESP2/RESP3 Reply​

Array reply: list of field names.