[SPARK-33091] Avoid using map instead of foreach to avoid potential side effect at callers of OrcUtils.readCatalystSchema

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.1, 3.1.0
• Fix Version/s: 3.0.2, 3.1.0
• Component/s: SQL
• Assignee: Hyukjin Kwon
• Reporter: Hyukjin Kwon
• Created: 08/Oct/20 05:15
• Updated: 12/Dec/22 17:50
• Resolved: 08/Oct/20 07:31

Description

This is a kind of a followup of SPARK-32646. New JIRA was filed to control the fixed versions properly.

When you use map, it might be lazily evaluated and not executed. To avoid this, we should better use foreach.

See also SPARK-16694

Issue Links

• links to: [Github] Pull Request #29974 (HyukjinKwon)
• links to: [Github] Pull Request #29974 (HyukjinKwon)