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[SPARK-11258] Converting a Spark DataFrame into an R data.frame is slow / requires a lot of memory
https://issues.apache.org/jira/browse/SPARK-11258 I was not able to locate an existing unit test for this function so I wrote one. Author: Frank Rosner <frank@fam-rosner.de> Closes #9222 from FRosner/master.
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- sql/core/src/main/scala/org/apache/spark/sql/api/r/SQLUtils.scala 9 additions, 7 deletions.../src/main/scala/org/apache/spark/sql/api/r/SQLUtils.scala
- sql/core/src/test/scala/org/apache/spark/sql/api/r/SQLUtilsSuite.scala 38 additions, 0 deletions...test/scala/org/apache/spark/sql/api/r/SQLUtilsSuite.scala
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