[SPARK-17104] LogicalRelation.newInstance should follow the semantics of MultiInstanceRelation

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.1, 2.1.0
• Component/s: SQL
• Assignee: L. C. Hsieh
• Reporter: L. C. Hsieh
• Created: 17/Aug/16 08:51
• Updated: 08/Oct/16 09:18
• Resolved: 20/Aug/16 15:31

Description

Currently LogicalRelation.newInstance() simply creates another LogicalRelation object with the same parameters. However, the newInstance() method inherited from MultiInstanceRelation should return a copy of unique expression ids. Current LogicalRelation.newInstance() causes failure when doing self-join.

Issue Links

• links to: [Github] Pull Request #14682 (viirya)