[SPARK-30760] Port `millisToDays` and `daysToMillis` on Java 8 time API

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: Max Gekk
• Reporter: Max Gekk
• Created: 08/Feb/20 20:54
• Updated: 12/Feb/20 18:39
• Resolved: 12/Feb/20 18:39

Description

Currently, the `millisToDays` and `daysToMillis` methods of DateTimeUtils use Java 7 (and earlier) time API. The implementation is based on combined calendar - Julian + Gregorian. To be consistent to other date-time function, need to port the methods on Java 8 time API.

Issue Links

• relates to: SPARK-26651 Use Proleptic Gregorian calendar
• links to: GitHub Pull Request #27494