[SPARK-39071] Add unwrap_udt function for unwrapping UserDefinedType columns

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Done
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: SQL
• Target Version/s: 3.4.0
• Assignee: Weichen Xu
• Reporter: Weichen Xu
• Created: 29/Apr/22 11:48
• Updated: 10/May/22 11:30
• Resolved: 10/May/22 11:30

Description

Add unwrap_udt function for unwrapping UserDefinedType columns.

This is useful in opensource project https://github.com/mengxr/pyspark-xgboost

Issue Links

• links to: [Github] Pull Request #36408 (WeichenXu123)
• links to: [Github] Pull Request #36408 (WeichenXu123)