[HIVE-23887] Reset table level basic/column stats during import.

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0-alpha-1
• Component/s: Import/Export, Statistics
• Labels: pull-request-available
• Target Version/s: 4.0.0
• Assignee: Ashish Sharma
• Reporter: Ashish Sharma
• Created: 21/Jul/20 07:36
• Updated: 17/Nov/22 08:47
• Resolved: 02/Sep/20 09:51

Description

While doing "export table db.table to '/import/table' " column stats are not dumped but import doesn't reset the flag which leads to incorrect stats.

Reset columns stats while import to force Imported to recalculate the Columns stats

Issue Links

• relates to: HIVE-24056 Column stats gather stage as part of import table command plan generation
• links to: GitHub Pull Request #1370