[SPARK-30613] support hive style REPLACE COLUMN syntax

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0
• Component/s: SQL
• Assignee: Terry Kim
• Reporter: Wenchen Fan
• Created: 23/Jan/20 03:49
• Updated: 18/Feb/20 18:07
• Resolved: 13/Feb/20 12:16

Description

We already support the hive style CHANGE COLUMN syntax, I think it's better to also support hive style REPLACE COLUMN syntax. Please refer to the doc: https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL

Issue Links

• links to: GitHub Pull Request #27482