[jira] [Resolved] (SPARK-18433) Improve DataSource option keys to be more case-insensitive

["Wenchen Fan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-18433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-18433.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.1.0

Issue resolved by pull request 15884
[https://github.com/apache/spark/pull/15884]

> Improve DataSource option keys 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
>             Fix For: 2.1.0
>
>
> 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.
> Also, the following options should be consistent.
> - CSVOptions
> - FileStreamOptions
> - JDBCOptions
> - JSONOptions
> - OrcOptions
> - ParquetOptions



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