[SPARK-17694] convert DataFrame to DataSet should check columns match

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Incomplete
• Affects Version/s: 1.6.1, 1.6.2
• Component/s: SQL
• Labels: bulk-closed
• Assignee: Unassigned
• Reporter: Chenliang Xu
• Created: 27/Sep/16 22:03
• Updated: 12/Dec/22 18:11
• Resolved: 08/Oct/19 05:43

Description

The as method, which converts a DataFrame to DataSet requires the user to ensure the columns are match. And it success even the columns do not match, and cause error at later steps.

It would be better, to let as match the columns, and fail/warn when the match fails.