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https://issues.apache.org/jira/browse/SPARK-5193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14278163#comment-14278163
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Apache Spark commented on SPARK-5193:
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User 'rxin' has created a pull request for this issue:
https://github.com/apache/spark/pull/4054
> Make Spark SQL API usable in Java and remove the Java-specific API
> ------------------------------------------------------------------
>
> Key: SPARK-5193
> URL: https://issues.apache.org/jira/browse/SPARK-5193
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Reynold Xin
>
> Java version of the SchemaRDD API causes high maintenance burden for Spark
> SQL itself and downstream libraries (e.g. MLlib pipeline API needs to support
> both JavaSchemaRDD and SchemaRDD). We can audit the Scala API and make it
> usable for Java, and then we can remove the Java specific version.
> Things to remove include (Java version of):
> - data type
> - Row
> - SQLContext
> - HiveContext
> Things to consider:
> - Scala and Java have a different collection library.
> - Scala and Java (8) have different closure interface.
> - Scala and Java can have duplicate definitions of common classes, such as
> BigDecimal.
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