[SPARK-48834] Disable variant input/output from scalar UDFs

• Type: Sub-task
• 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: Richard Chen
• Reporter: Richard Chen
• Created: 08/Jul/24 06:49
• Updated: 05/Aug/24 00:45
• Resolved: 15/Jul/24 02:03

Description

Currently, scalar UDFs with variant input/output will fail during execution. However, we should fail faster (i.e. during query compilation)

Issue Links

• links to: GitHub Pull Request #47253
• links to: GitHub Pull Request #47599