Hyukjin Kwon created SPARK-19882:
------------------------------------
Summary: Pivot with null as the pivot value throws NPE
Key: SPARK-19882
URL: https://issues.apache.org/jira/browse/SPARK-19882
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.2.0
Reporter: Hyukjin Kwon
This seems a regression.
- Spark 1.6
{code}
Seq(Tuple1(None),
Tuple1(Some(1))).toDF("a").groupBy($"a").pivot("a").count().show()
{code}
prints
{code}
+----+----+---+
| a|null| 1|
+----+----+---+
|null| 0| 0|
| 1| 0| 1|
+----+----+---+
{code}
Current master
{code}
Seq(Tuple1(None),
Tuple1(Some(1))).toDF("a").groupBy($"a").pivot("a").count().show()
{code}
prints
{code}
java.lang.NullPointerException was thrown.
java.lang.NullPointerException
at
org.apache.spark.sql.catalyst.expressions.aggregate.PivotFirst$$anonfun$4.apply(PivotFirst.scala:145)
at
org.apache.spark.sql.catalyst.expressions.aggregate.PivotFirst$$anonfun$4.apply(PivotFirst.scala:143)
at scala.collection.immutable.List.map(List.scala:273)
at
org.apache.spark.sql.catalyst.expressions.aggregate.PivotFirst.<init>(PivotFirst.scala:143)
at
org.apache.spark.sql.catalyst.analysis.Analyzer$ResolvePivot$$anonfun$apply$7$$anonfun$24.apply(Analyzer.scala:509)
{code}
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
