[SPARK-26593] Use Proleptic Gregorian calendar in casting UTF8String to date/timestamp types

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: Max Gekk
• Reporter: Max Gekk
• Created: 10/Jan/19 19:56
• Updated: 17/Jan/19 20:29
• Resolved: 17/Jan/19 16:53

Description

Current implementation of casting UTF8String to DateType/TimestampType uses hybrid calendar (Gregorian + Julian). The ticket aims to unify conversion of textual date/timestamp representation to DateType/TimestampType and use Proleptic Gregorian calendar. More precisely, need to port stringToTimestamp and stringToDate on java.time of Java 8 API.

Issue Links

• links to: GitHub Pull Request #23512