[IMPALA-1242] Simplify Avro schema evolution and allow COMPUTE STATS to always work.

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: Impala 1.4.1
• Component/s: Frontend
• Labels: compute-stats
• Target Version: Product Backlog
• Assignee: Unassigned
• Reporter: Alexander Behm
• Created: 13/Sep/14 01:45
• Updated: 30/Oct/18 17:24

Description

I'd be nice to have a simplified ALTER TABLE where just the Avro schema is changed to do schema evolution. In addition, COMPUTE STATS should always continue to work after any table alterations. This issue is related to IMPALA-1104 and more details may be found there.