[SPARK-20125] Dataset of type option of map does not work

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0, 2.2.0
• Fix Version/s: 2.1.1, 2.2.0
• Component/s: SQL
• Assignee: Wenchen Fan
• Reporter: Wenchen Fan
• Created: 28/Mar/17 08:17
• Updated: 28/Mar/17 22:14
• Resolved: 28/Mar/17 22:14

Description

A simple reproduce:

case class ABC(m: Option[scala.collection.Map[Int, Int]])
val ds = Seq(ABC(Some(Map(1 -> 1)))).toDS() 
ds.collect()

Issue Links

• links to: [Github] Pull Request #17454 (cloud-fan)