[jira] [Closed] (SPARK-4551) Allow auto-conversion of field names of case class from camelCase to lower_case convention

["Reynold Xin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-4551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin closed SPARK-4551.
------------------------------
    Resolution: Won't Fix

> Allow auto-conversion of field names of case class from camelCase to lower_case convention
> ------------------------------------------------------------------------------------------
>
>                 Key: SPARK-4551
>                 URL: https://issues.apache.org/jira/browse/SPARK-4551
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 1.3.0
>            Reporter: Jianshi Huang
>            Priority: Minor
>
> In SQL, lower_case is the naming convention for column names. 
> We want to keep this convention as much as possible. So when converting a RDD[case class] to SchemaRDD, let's make it an option to convert the filed names from camelCase to lower_case (e.g. unitAmount => unit_amount)
> My proposal:
> 1) Utility function for case conversion (e.g. https://gist.github.com/sidharthkuruvila/3154845)'
> 2) Add option convertToLowerCase to registerTempTable
>   def registerTempTable(tableName: String, convertToLowerCase = false)
> Jianshi



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