[SPARK-30433] Make conflict attributes resolution more scalable in ResolveReferences

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: wuyi
• Reporter: wuyi
• Created: 06/Jan/20 09:38
• Updated: 21/Jan/20 06:38
• Resolved: 07/Jan/20 04:55

Description

Currently, ResolveReferences rule only resolves conflict attributes of one single conflict plan pair in one iteration, which can be inefficient when there're many conflicts. We could make it more scalable by doing resolution in batch.

Issue Links

• links to: GitHub Pull Request #27105
• links to: GitHub Pull Request #27263