[SPARK-38360] Introduce a `exists` function for `TreeNode` to eliminate duplicate code pattern

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.0
• Component/s: SQL
• Assignee: Yang Jie
• Reporter: Yang Jie
• Created: 01/Mar/22 08:31
• Updated: 13/Mar/22 09:15
• Resolved: 10/Mar/22 13:05

Description

There are many duplicate code patterns in Spark code:

treeNode.find(condition).isDefined 
treeNode.find(condition).nonEmpty 
treeNode.find(condition).isEmpty

Maybe we can introduce an `exists` function to simplify the above code patterns.

Issue Links

• links to: [Github] Pull Request #35694 (LuciferYang)
• links to: [Github] Pull Request #35833 (LuciferYang)
• links to: [Github] Pull Request #35833 (LuciferYang)