HEXISTS

Synopsis

HEXISTS key fieldThis is a predicate to check whether or not the given field exists in the hash that is specified by the given key.

• If the given key and field exist, 1 is returned.
• If the given key or field does not exist, 0 is returned.
• If the given key is associated with non-hash data, an error is raised.

Return value

Returns existence status as integer, either 1 or 0.

Examples

$ HSET yugahash area1 "America"

1

$ HEXISTS yugahash area1

1

$ HEXISTS yugahash area_none

0

See also

hdel, hget, hgetall, hkeys, hlen, hmget, hmset, hset, hincrby, hstrlen, hvals