[SPARK-26495] Simplify SelectedField extractor

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Target Version/s: 3.0.0
• Assignee: Herman van Hövell
• Reporter: Herman van Hövell
• Created: 28/Dec/18 15:50
• Updated: 31/Dec/18 16:49
• Resolved: 31/Dec/18 16:46

Description

I was reading through the code of the SelectedField extractor and this is overly complex. It contains a couple of pattern matches that are redundant.

Issue Links

• links to: GitHub Pull Request #23397