[SPARK-17642] Support DESC FORMATTED TABLE COLUMN command to show column-level statistics

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.3.0
• Component/s: SQL
• Assignee: Zhenhua Wang
• Reporter: Zhenhua Wang
• Created: 23/Sep/16 00:45
• Updated: 13/Sep/17 01:40
• Resolved: 12/Sep/17 16:00

Description

Support DESC (EXTENDED | FORMATTED) ? TABLE COLUMN command to show column information.
Show column statistics if EXTENDED or FORMATTED is specified.

Issue Links

• is blocked by: SPARK-17073 generate basic stats for column
• links to: [Github] Pull Request #16422 (wzhfy)
• links to: [Github] Pull Request #19213 (wzhfy)