tableToDF {SparkR} | R Documentation |
Returns the specified Table as a SparkDataFrame. The Table must have already been registered in the SQLContext.
tableToDF(sqlContext, tableName)
sqlContext |
SQLContext to use |
tableName |
The SparkSQL Table to convert to a SparkDataFrame. |
SparkDataFrame
## Not run: sc <- sparkR.init() sqlContext <- sparkRSQL.init(sc) path <- "path/to/file.json" df <- read.json(sqlContext, path) registerTempTable(df, "table") new_df <- tableToDF(sqlContext, "table") ## End(Not run)