[HIVE-25528] Avoid recalculating types after CBO on second AST pass

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Component/s: HiveServer2
• Labels: pull-request-available
• Assignee: Steve Carlin
• Reporter: Steve Carlin
• Created: 15/Sep/21 19:30
• Updated: 27/Jun/22 13:53
• Resolved: 27/Jun/22 13:53

Description

It should be possible to avoid recalculating and reevaluating types on the second pass after going through CBO.  CBO is making the effort to change the types so to reassess them is a waste of time.

Issue Links

• links to: GitHub Pull Request #2646
• links to: GitHub Pull Request #2653
• links to: GitHub Pull Request #2654
• links to: GitHub Pull Request #2672
• links to: GitHub Pull Request #2709
• links to: GitHub Pull Request #2712
• links to: GitHub Pull Request #2713
• links to: GitHub Pull Request #2720
• links to: GitHub Pull Request #2722