[SPARK-29440] Support java.time.Duration as an external type of CalendarIntervalType

• Type: Improvement
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.1.0
• Component/s: SQL
• Assignee: Unassigned
• Reporter: Max Gekk
• Created: 11/Oct/19 13:56
• Updated: 05/Jun/20 19:42

Description

Currently, Spark SQL doesn't have any external type for Catalyst's CalendarIntervalType. Internal CalendarInterval is partially exposed but it cannot be used in UDF for example. This ticket aims to provide `java.time.Duration` as one of external types of Spark `INTERVAL`.

Issue Links

• links to: GitHub Pull Request #26092