pyspark.RDD.isEmpty

RDD.isEmpty()

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

Added 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