[HIVE-14981] Eliminate unnecessary MapJoin restriction in HIVE-11394

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Incomplete
• Affects Version/s: 2.2.0
• Fix Version/s: 4.0.0-alpha-2
• Component/s: Hive
• Assignee: Matt McCline
• Reporter: Matt McCline
• Created: 15/Oct/16 23:18
• Updated: 16/Nov/22 13:50
• Resolved: 25/Apr/18 18:20

Description

No Empty Key restriction for Native Vector MapJoin added with HIVE-11394 is unnecessary. It caused Llap orc_llap.q test to timeout on Hive QA because regular VectorMapJoinOperator is too slow.