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