[CALCITE-6077] Add FACTORIAL function (enabled in Hive and Spark libraries)

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.35.0
• Fix Version/s: 1.36.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Runkang He
• Reporter: Runkang He
• Created: 26/Oct/23 14:56
• Updated: 10/Nov/23 11:34
• Resolved: 30/Oct/23 06:45

Description

Add FACTORIAL function (enabled in Hive and Spark libraries)
FACTORIAL(expr): Returns the factorial of expr. expr is [0..20]. Otherwise, returns NULL.
For example:

SELECT factorial(5); 
>120

See more at Hive and Spark doc.

Issue Links

• links to: GitHub Pull Request #3490