[HIVE-22201] ConvertJoinMapJoin#checkShuffleSizeForLargeTable throws ArrayIndexOutOfBoundsException if no big table is selected

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 4.0.0-alpha-1
• Labels: pull-request-available
• Assignee: Himanshu Mishra
• Reporter: Himanshu Mishra
• Created: 13/Sep/19 09:40
• Updated: 17/Nov/22 08:50
• Resolved: 20/Sep/19 05:47

Description

In case when bigTableCandidateSet is empty e.g. full outer join, we end up calling checkShuffleSizeForLargeTable with bigTablePosition as -1, resulting in ArrayIndexOutOfBoundsException.

Also, should we return as soon as we see bigTableCandidateSet is empty ?

Issue Links

• links to: GitHub Pull Request #772