[SPARK-29486] CalendarInterval should have 3 fields: months, days and microseconds

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.4
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: Liu, Linhong
• Reporter: Liu, Linhong
• Created: 16/Oct/19 05:39
• Updated: 10/Apr/20 13:57
• Resolved: 01/Nov/19 10:25

Description

Current CalendarInterval has 2 fields: months and microseconds. This PR try to change it
to 3 fields: months, days and microseconds. This is because one logical day interval may
have different number of microseconds (daylight saving).

Issue Links

• links to: GitHub Pull Request #26134
• links to: GitHub Pull Request #26701