[SPARK-9306] SortMergeJoin crashes when trying to join on unsortable columns

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5.0
• Fix Version/s: 1.5.0
• Component/s: SQL
• Assignee: L. C. Hsieh
• Reporter: Josh Rosen
• Created: 24/Jul/15 07:17
• Updated: 27/Jul/15 05:14
• Resolved: 27/Jul/15 05:13

Description

When sort merge join is enabled, it's possible to crash at runtime when trying to join on two StructFields: the problem is that we don't support ordering by struct fields or arrays. When the join columns are unsortable then we should not choose the SMJ join strategy.

Issue Links

• links to: [Github] Pull Request #7645 (viirya)