pyspark.RDD.isEmpty

RDD.isEmpty() → bool

Returns true if and only if the RDD contains no elements at all.

New in version 1.3.0.

Returns

bool

whether the RDD is empty

See also

RDD.first()

pyspark.sql.DataFrame.isEmpty()

Notes

An RDD may be empty even when it has at least 1 partition.

Examples

>>> sc.parallelize([]).isEmpty()
True
>>> sc.parallelize([1]).isEmpty()
False

pyspark.RDD.isCheckpointed pyspark.RDD.isLocallyCheckpointed