[SPARK-27776] Avoid duplicate Java reflection in DataSource

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: Jiaan Geng
• Reporter: Jiaan Geng
• Created: 20/May/19 09:01
• Updated: 29/May/19 02:36
• Resolved: 28/May/19 14:26

Description

I checked the code of 

org.apache.spark.sql.execution.datasources.DataSource

, there exists duplicate Java reflection.

I want to avoid it.

Issue Links

• links to: GitHub Pull Request #24647