[SPARK-30269] Should use old partition stats to decide whether to update stats when analyzing partition

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.4, 2.4.4, 3.0.0
• Fix Version/s: 2.4.5, 3.0.0
• Component/s: SQL
• Assignee: Zhenhua Wang
• Reporter: Zhenhua Wang
• Created: 16/Dec/19 13:48
• Updated: 12/Dec/22 18:11
• Resolved: 23/Dec/19 01:29

Description

It's an obvious bug: currently when analyzing partition stats, we use old table stats to compare with newly computed stats to decide whether it should update stats or not.

Issue Links

• links to: GitHub Pull Request #26908
• links to: GitHub Pull Request #26963
• links to: GitHub Pull Request #26964