[SPARK-32870] Make sure that all expressions have their ExpressionDescription properly filled

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0
• Component/s: Documentation, SQL
• Assignee: Tanel Kiis
• Reporter: Tanel Kiis
• Created: 13/Sep/20 18:54
• Updated: 23/Sep/20 01:20
• Resolved: 23/Sep/20 01:20

Description

Make sure that all SQL expressions have their usage, examples and since filled.

Issue Links

• duplicates: SPARK-32780 Fill since fields for all the expressions
• links to: [Github] Pull Request #29743 (tanelk)