[SPARK-17910] Allow users to update the comment of a column

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.2.0
• Component/s: SQL
• Target Version/s: 2.2.0
• Assignee: Xingbo Jiang
• Reporter: Yin Huai
• Created: 13/Oct/16 15:20
• Updated: 12/Oct/19 08:52
• Resolved: 15/Dec/16 18:09

Description

Right now, once a user set the comment of a column with create table command, he/she cannot update the comment. It will be useful to provide a public interface (e.g. SQL) to do that.

Issue Links

• is related to: SPARK-29447 Allow users to update the name of a column
• links to: [Github] Pull Request #15717 (jiangxb1987)