[SPARK-40456] PartitionIterator.hasNext should be cheap to call repeatedly

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: SQL
• Assignee: Richard Chen
• Reporter: Wenchen Fan
• Created: 15/Sep/22 13:46
• Updated: 19/Sep/22 12:54
• Resolved: 19/Sep/22 12:54

Issue Links

• is duplicated by: SPARK-40294 Repeat calls to `PartitionIterator.hasNext` can timeout
• links to: [Github] Pull Request #37900 (cloud-fan)
• links to: [Github] Pull Request #37900 (cloud-fan)