[jira] [Assigned] (SPARK-32364) Use CaseInsensitiveMap for DataFrameReader/Writer options

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-32364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun reassigned SPARK-32364:
-------------------------------------

    Assignee: Dongjoon Hyun

> Use CaseInsensitiveMap for DataFrameReader/Writer options
> ---------------------------------------------------------
>
>                 Key: SPARK-32364
>                 URL: https://issues.apache.org/jira/browse/SPARK-32364
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.2, 2.1.3, 2.2.3, 2.3.4, 2.4.6, 3.0.0
>            Reporter: Dongjoon Hyun
>            Assignee: Dongjoon Hyun
>            Priority: Major
>
> When a user have multiple options like path, paTH, and PATH for the same key path, option/options is non-deterministic because extraOptions is HashMap. This issue aims to use *CaseInsensitiveMap* instead of *HashMap* to fix this bug fundamentally.
> {code}
> spark.read
>   .option("paTh", "1")
>   .option("PATH", "2")
>   .option("Path", "3")
>   .option("patH", "4")
>   .load("5")
> ...
> org.apache.spark.sql.AnalysisException:
> Path does not exist: file:/.../1;
> {code}



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