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https://issues.apache.org/jira/browse/SPARK-18419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-18419:
----------------------------------
    Priority: Major  (was: Minor)

> `JDBCRelation.insert` should not remove Spark options
> -----------------------------------------------------
>
>                 Key: SPARK-18419
>                 URL: https://issues.apache.org/jira/browse/SPARK-18419
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Dongjoon Hyun
>
> This issue aims to fix `JDBCOptions.asConnectionProperties` to be 
> case-insensitive.
> `JDBCOptions.asConnectionProperties` is designed to filter JDBC options out, 
> but it fails to handle `CaseInsensitiveMap` correctly. For the following 
> example, it returns `Map('numpartitions' -> "10")` as a wrong result and the 
> assertion fails.
> {code}
> val options = new JDBCOptions(new CaseInsensitiveMap(Map(
>     "url" -> "jdbc:mysql://localhost:3306/temp",
>     "dbtable" -> "t1",
>     "numPartitions" -> "10")))
> assert(options.asConnectionProperties.isEmpty)
> {code}



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