[SPARK-31410] Raise exception instead of silent change for new DateFormatter

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: Yuanjian Li
• Reporter: Yuanjian Li
• Created: 10/Apr/20 07:50
• Updated: 10/Apr/20 07:54
• Resolved: 10/Apr/20 07:54

Description

For the cases of new TimestampFormatter return null while legacy formatter can return a value, we need to throw an exception instead of silent change. The legacy config will be referenced in the error message.