[jira] [Reopened] (SPARK-15920) Using map on DataFrame

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

     [ https://issues.apache.org/jira/browse/SPARK-15920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen reopened SPARK-15920:
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Yeah let's reopen this to make it about correcting the docs. I see in the link above that {{teenagers = spark.sql("SELECT name FROM people")}} produces a DataFrame contrary to the comment, and the map method doesn't exist for DataFrame. Do you see other instances? feel free to open a PR.

> Using map on DataFrame
> ----------------------
>
>                 Key: SPARK-15920
>                 URL: https://issues.apache.org/jira/browse/SPARK-15920
>             Project: Spark
>          Issue Type: Bug
>          Components: Documentation, PySpark
>    Affects Versions: 2.0.0
>         Environment: branch-2.0
>            Reporter: Piotr Milanowski
>
> In Spark 1.6 there was a method {{DataFrame.map}} as an alias to {{DataFrame.rdd.map}}. In spark 2.0 this functionality no longer exists.
> Is there a preferred way of doing map on a DataFrame without explicitly calling {{DataFrame.rdd.map}}? Maybe this functionality should be kept, just for backward compatibility purpose?



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