[SPARK-36404] Support nested columns in ORC vectorized reader for data source v2

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.0
• Component/s: SQL
• Labels: releasenotes
• Assignee: Cheng Su
• Reporter: Cheng Su
• Created: 03/Aug/21 23:34
• Updated: 13/Jan/22 21:28
• Resolved: 04/Aug/21 02:55

Description

We added support of nested columns in ORC vectorized reader for data source v1. Data source v2 and v1 both use same underlying implementation for vectorized reader (OrcColumnVector), so we can support data source v2 as well.

Issue Links

• links to: [Github] Pull Request #33626 (c21)