Dongjoon Hyun created SPARK-18433:
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Summary: Improve `DataSource.scala` to be more case-insensitive
Key: SPARK-18433
URL: https://issues.apache.org/jira/browse/SPARK-18433
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Dongjoon Hyun
Priority: Minor
Currently, `DataSource.scala` partially use `CaseInsensitiveMap` in code-path.
This issue aims to make `DataSource` to use `CaseInsensitiveMap` generally
except passing to the other modules (`InMemoryFileIndex` and
`InsertIntoHadoopFsRelationCommand`). They creates new case-sensitive
`HadoopConfs` by calling `newHadoopConfWithOptions(options)` inside.
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