hexists.3valkey - Man Page

HEXISTS key field

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

One of the following:

• valkey-protocol(7) Integer reply: 0 if the hash does not contain the field, or the key does not exist.
• valkey-protocol(7) Integer reply: 1 if the hash contains the field.

O(1)

@fast @hash @read

• Available since: 2.0.0

127.0.0.1:6379> HSET myhash field1 "foo"
(integer) 1
127.0.0.1:6379> HEXISTS myhash field1
(integer) 1
127.0.0.1:6379> HEXISTS myhash field2
(integer) 0

hdel(3valkey), hexpire(3valkey), hexpireat(3valkey), hexpiretime(3valkey), hget(3valkey), hgetall(3valkey), hgetdel(3valkey), hgetex(3valkey), hincrby(3valkey), hincrbyfloat(3valkey), hkeys(3valkey), hlen(3valkey), hmget(3valkey), hmset(3valkey), hpersist(3valkey), hpexpire(3valkey), hpexpireat(3valkey), hpexpiretime(3valkey), hpttl(3valkey), hrandfield(3valkey), hscan(3valkey), hset(3valkey), hsetex(3valkey), hsetnx(3valkey), hstrlen(3valkey), httl(3valkey), hvals(3valkey)