[HIVE-11858] Hive DISTRIBUTE BY & CROSS PRODUCT should not sort output

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 1.3.0, 2.0.0
• Component/s: Physical Optimizer, Tez
• Assignee: Eugene Koifman
• Reporter: Gopal Vijayaraghavan
• Created: 17/Sep/15 03:11
• Updated: 22/Jan/17 00:32
• Resolved: 22/Jan/17 00:32

Description

select a ,b from table distribute by a;

Should not do any sorts at all & should use the partitioned unsorted edge instead.

Issue Links

• relates to: HIVE-14707 ACID: Insert shuffle sort-merges on blank KEY