HEXISTS

Determines whether a field exists in a hash.

Usage: HEXISTS key field
Complexity: O(1)
Since: 2.0.0
ACL Categories: @fast, @hash, @read
Command flags: READONLY, FAST

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

Examples

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

Replies

RESP2

One of the following:

Integer reply: 0 if the hash does not contain the field, or the key does not exist.
Integer reply: 1 if the hash contains the field.

RESP3

One of the following:

Integer reply: 0 if the hash does not contain the field, or the key does not exist.
Integer reply: 1 if the hash contains the field.