redis hexists命令

HEXISTS key field

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

*返回值

Integer reply, specifically:

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

*例子

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