[SPARK-21619] Fail the execution of canonicalized plans explicitly

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.3.0
• Component/s: SQL
• Target Version/s: 2.3.0
• Assignee: Reynold Xin
• Reporter: Reynold Xin
• Created: 03/Aug/17 02:25
• Updated: 28/Oct/17 06:44
• Resolved: 28/Oct/17 06:44

Description

Canonicalized plans are not supposed to be executed. I ran into a case in which there's some code that accidentally calls execute on a canonicalized plan. This patch throws a more explicit exception when that happens.

Issue Links

• is blocked by: SPARK-21634 Change OneRowRelation from a case object to case class
• links to: [Github] Pull Request #18828 (rxin)