[jira] [Commented] (SPARK-8803) Crosstab element's can't contain null's and back ticks

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-8803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14612662#comment-14612662 ] 

Apache Spark commented on SPARK-8803:
-------------------------------------

User 'brkyvz' has created a pull request for this issue:
https://github.com/apache/spark/pull/7201

> Crosstab element's can't contain null's and back ticks
> ------------------------------------------------------
>
>                 Key: SPARK-8803
>                 URL: https://issues.apache.org/jira/browse/SPARK-8803
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Burak Yavuz
>
> Having back ticks or null as elements causes problems. 
> Since elements become column names, we have to drop them from the element as back ticks are special characters.
> Having null throws exceptions, we could replace them with empty strings.



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