Wenchen Fan created SPARK-12068:
-----------------------------------
Summary: use a single column in Dataset.groupBy and count will fail
Key: SPARK-12068
URL: https://issues.apache.org/jira/browse/SPARK-12068
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Wenchen Fan
{code}
val ds = Seq("a" -> 1, "b" -> 1, "a" -> 2).toDS()
val count = ds.groupBy($"_1").count()
count.collect() // will fail
{code}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
