HEXISTS key field

Available since 2.0.0.

Time complexity: O(1)

Returns if field is an existing field in the hash stored at key.

*Return value

Integer reply, specifically:

  • 1 if the hash contains field.
  • 0 if the hash does not contain field, or key does not exist.

*Examples

redis>  HSET myhash field1 "foo" 
(integer) 1
redis>  HEXISTS myhash field1 
(integer) 1
redis>  HEXISTS myhash field2 
(integer) 0
redis>