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https://issues.apache.org/jira/browse/SPARK-4649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14228640#comment-14228640
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Anant Daksh Asthana commented on SPARK-4649:
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I would like to take eon this task.
> Add method unionAll to PySpark's SchemaRDD
> -------------------------------------------
>
> Key: SPARK-4649
> URL: https://issues.apache.org/jira/browse/SPARK-4649
> Project: Spark
> Issue Type: New Feature
> Components: PySpark
> Affects Versions: 1.1.0
> Reporter: Luca Foschini
> Priority: Minor
>
> PySpark has no equivalent of Scala's SchemaRDD.unionAll.
> The standard SchemaRDD.union method downcasts the result to UnionRDD which
> makes it not amenable for chaining.
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