[jira] [Resolved] (SPARK-17299) TRIM/LTRIM/RTRIM strips characters other than spaces

["Sean Owen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-17299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved SPARK-17299.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 2.1.0
                   2.0.1

Issue resolved by pull request 14924
[https://github.com/apache/spark/pull/14924]

> TRIM/LTRIM/RTRIM strips characters other than spaces
> ----------------------------------------------------
>
>                 Key: SPARK-17299
>                 URL: https://issues.apache.org/jira/browse/SPARK-17299
>             Project: Spark
>          Issue Type: Bug
>          Components: Documentation, SQL
>    Affects Versions: 2.0.0
>            Reporter: Jeremy Beard
>            Priority: Minor
>             Fix For: 2.0.1, 2.1.0
>
>
> TRIM/LTRIM/RTRIM docs state that they only strip spaces:
> http://spark.apache.org/docs/2.0.0/api/java/org/apache/spark/sql/functions.html#trim(org.apache.spark.sql.Column)
> But the implementation strips all characters of ASCII value 20 or less:
> https://github.com/apache/spark/blob/v2.0.0/common/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java#L468-L470



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