HEXISTS

Synopsis

`HEXISTS key field

This 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