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

1

1

0

See also

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