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https://issues.apache.org/jira/browse/SPARK-10903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14940694#comment-14940694
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Felix Cheung commented on SPARK-10903:
--------------------------------------
toDF is doing checks in preference order
btw, what functions we want to automatically find the sqlContext?
{code}
setMethod("toDF", signature(x = "RDD"),
function(x, ...) {
sqlContext <- if (exists(".sparkRHivesc", envir = .sparkREnv)) {
get(".sparkRHivesc", envir = .sparkREnv)
} else if (exists(".sparkRSQLsc", envir = .sparkREnv)) {
get(".sparkRSQLsc", envir = .sparkREnv)
} else {
stop("no SQL context available")
}
createDataFrame(sqlContext, x, ...)
})
{code}
> Make sqlContext global
> -----------------------
>
> Key: SPARK-10903
> URL: https://issues.apache.org/jira/browse/SPARK-10903
> Project: Spark
> Issue Type: Sub-task
> Components: SparkR
> Reporter: Narine Kokhlikyan
> Priority: Minor
>
> Make sqlContext global so that we don't have to always specify it.
> e.g. createDataFrame(iris) instead of createDataFrame(sqlContext, iris)
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