[SPARK-12024] Improved multi-column counting

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.6.0
• Component/s: SQL
• Assignee: Herman van Hövell
• Reporter: Herman van Hövell
• Created: 27/Nov/15 11:01
• Updated: 29/Nov/15 22:14
• Resolved: 29/Nov/15 22:13

Description

The current multi-column count implementation wraps the columns in a structs and checks if there are any nulls. This creates quite a bit of overhead.

Issue Links

• links to: [Github] Pull Request #10015 (hvanhovell)