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| author | zsxwing <zsxwing@gmail.com> | 2015-06-17 13:59:39 -0700 |
|---|---|---|
| committer | Andrew Or <andrew@databricks.com> | 2015-06-17 13:59:39 -0700 |
| commit | 0fc4b96f3e3bf81724ac133a6acc97c1b77271b4 (patch) | |
| tree | 7d5e783967ac602ce979fe0f15a3d3613f44a4f8 /core | |
| parent | 2837e067099921dd4ab6639ac5f6e89f789d4ff4 (diff) | |
| download | spark-0fc4b96f3e3bf81724ac133a6acc97c1b77271b4.tar.gz spark-0fc4b96f3e3bf81724ac133a6acc97c1b77271b4.tar.bz2 spark-0fc4b96f3e3bf81724ac133a6acc97c1b77271b4.zip | |
[SPARK-8373] [PYSPARK] Add emptyRDD to pyspark and fix the issue when calling sum on an empty RDD
This PR fixes the sum issue and also adds `emptyRDD` so that it's easy to create a test case.
Author: zsxwing <zsxwing@gmail.com>
Closes #6826 from zsxwing/python-emptyRDD and squashes the following commits:
b36993f [zsxwing] Update the return type to JavaRDD[T]
71df047 [zsxwing] Add emptyRDD to pyspark and fix the issue when calling sum on an empty RDD
Diffstat (limited to 'core')
| -rw-r--r-- | core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala b/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala index 55a37f8c94..0103f6c6ab 100644 --- a/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala +++ b/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala @@ -425,6 +425,11 @@ private[spark] object PythonRDD extends Logging { iter.foreach(write) } + /** Create an RDD that has no partitions or elements. */ + def emptyRDD[T](sc: JavaSparkContext): JavaRDD[T] = { + sc.emptyRDD[T] + } + /** * Create an RDD from a path using [[org.apache.hadoop.mapred.SequenceFileInputFormat]], * key and value class. |