[SPARK-27771] Add SQL description for grouping functions (cube, rollup, grouping and grouping_id)

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 2.3.4, 2.4.4, 3.0.0
• Component/s: SQL
• Assignee: Hyukjin Kwon
• Reporter: Hyukjin Kwon
• Created: 19/May/19 11:27
• Updated: 12/Dec/22 17:50
• Resolved: 20/May/19 02:28

Description

ExpressionDescription for cube, rollup, grouping and grouping_id are missing. So currently the SQL documentation is empty and `DESCRIBE FUNCTION EXTENDED` doesn't show anything meaningful.

Issue Links

• links to: GitHub Pull Request #24642