[HIVE-22884] Put Reasons for Failed CBO In Explain Plan

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: CBO
• Assignee: Unassigned
• Reporter: David Mollitor
• Created: 12/Feb/20 20:13
• Updated: 12/Feb/20 20:13

Description

If a query cannot be processed by CBO, the reason for the failure is logged into the HiveServer2 application log. In addition, please also put this information into the EXPLAIN plan output itself.