[SPARK-35783] Set the list of read columns in the task configuration to reduce reading of ORC data.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.3, 3.1.2, 3.2.0
• Fix Version/s: 3.2.0, 3.1.3, 3.0.4
• Component/s: SQL
• Assignee: weixiuli
• Reporter: weixiuli
• Created: 16/Jun/21 05:11
• Updated: 24/Jun/21 05:09
• Resolved: 17/Jun/21 05:06

Description

Now, the ORC reader will read all columns of the ORC table when the task configuration does not set the read column list. Therefore, we should set the list of read columns in the task configuration to reduce reading of ORC data.

Issue Links

• links to: [Github] Pull Request #32923 (weixiuli)
• links to: [Github] Pull Request #32923 (weixiuli)