[FLINK-29059] The existing column stats are deleted incorrectly when analyze table for partial columns

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.16.0
• Fix Version/s: 1.16.0
• Component/s: Table SQL / Planner
• Labels: pull-request-available
• Assignee: Yunhong Zheng
• Reporter: Yunhong Zheng
• Created: 22/Aug/22 10:27
• Updated: 25/Aug/22 14:03
• Resolved: 25/Aug/22 14:02

Description

If there are three columns named `a, b, c` with column stats already exists,  I just analyze column `a` using `Analyze table xxx FOR COLUMNS a`, the existing column stats of `b, c` will be reset back to empty.

Issue Links

• fixes: FLINK-28939 Release Testing: Verify FLIP-241 ANALYZE TABLE
• links to: GitHub Pull Request #20672