diff options
Diffstat (limited to 'core/src/main/scala/org/apache/spark/rdd/RDD.scala')
| -rw-r--r-- | core/src/main/scala/org/apache/spark/rdd/RDD.scala | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/core/src/main/scala/org/apache/spark/rdd/RDD.scala b/core/src/main/scala/org/apache/spark/rdd/RDD.scala index e6db9b3eec..e251421c48 100644 --- a/core/src/main/scala/org/apache/spark/rdd/RDD.scala +++ b/core/src/main/scala/org/apache/spark/rdd/RDD.scala @@ -437,6 +437,7 @@ abstract class RDD[T: ClassTag]( partitionCoalescer: Option[PartitionCoalescer] = Option.empty) (implicit ord: Ordering[T] = null) : RDD[T] = withScope { + require(numPartitions > 0, s"Number of partitions ($numPartitions) must be positive.") if (shuffle) { /** Distributes elements evenly across output partitions, starting from a random partition. */ val distributePartition = (index: Int, items: Iterator[T]) => { |