[SPARK-46791] Support Java `Set` in JavaTypeInference

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: SQL
• Labels: pull-request-available
• Assignee: L. C. Hsieh
• Reporter: L. C. Hsieh
• Created: 22/Jan/24 08:11
• Updated: 22/Jan/24 18:03
• Resolved: 22/Jan/24 10:13

Description

Scala Set (scala.collection.Set) is supported in ScalaReflection so users can encode Scala Set in Dataset. But Java Set is not supported in bean encoder (i.e., JavaTypeInference). This feature inconsistency makes Java users cannot use Set like Scala users do.

Issue Links

• links to: GitHub Pull Request #44828