[jira] [Resolved] (SPARK-14402) initcap UDF doesn't match Hive/Oracle behavior in lowercasing rest of string

["Michael Armbrust (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-14402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Armbrust resolved SPARK-14402.
--------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

Issue resolved by pull request 12175
[https://github.com/apache/spark/pull/12175]

> initcap UDF doesn't match Hive/Oracle behavior in lowercasing rest of string
> ----------------------------------------------------------------------------
>
>                 Key: SPARK-14402
>                 URL: https://issues.apache.org/jira/browse/SPARK-14402
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Dongjoon Hyun
>            Assignee: Dongjoon Hyun
>            Priority: Minor
>              Labels: releasenotes
>             Fix For: 2.0.0
>
>
> Current, SparkSQL `initCap` is using `toTitleCase` function. However, `UTF8String.toTitleCase` implementation changes only the first letter and just copy the other letters: e.g. *sParK* --> *SParK*. (This is the correct expected implementation of `toTitleCase`.)
> So, The main goal of this issue provides the correct `initCap`.



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