[SPARK-37812] When deserializing an Orc struct, reuse the result row when possible

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.0
• Component/s: SQL
• Assignee: Bruce Robbins
• Reporter: Bruce Robbins
• Created: 05/Jan/22 00:01
• Updated: 05/Jan/22 23:17
• Resolved: 05/Jan/22 23:17

Description

For each Orc struct, the Orc deserializer creates a new result row object.

There are cases where the Orc deserializer can reuse the result row object, resulting in performance gains.

Issue Links

• links to: [Github] Pull Request #35090 (bersprockets)