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https://issues.apache.org/jira/browse/SPARK-11046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15044249#comment-15044249
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Sun Rui commented on SPARK-11046:
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[~nakul02], yes, you are correct
> Pass schema from R to JVM using JSON format
> -------------------------------------------
>
> Key: SPARK-11046
> URL: https://issues.apache.org/jira/browse/SPARK-11046
> Project: Spark
> Issue Type: Improvement
> Components: SparkR
> Affects Versions: 1.5.1
> Reporter: Sun Rui
> Priority: Minor
>
> Currently, SparkR passes a DataFrame schema from R to JVM backend using
> regular expression. However, Spark now supports schmea using JSON format.
> So enhance SparkR to use schema in JSON format.
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