URI:
  HTML Column.html
  HTML ColumnName.html
  HTML DataFrame.html
  HTML ExperimentalMethods.html
  HTML GroupedData.html
  HTML SQLContext$QueryExecution.html
  HTML SQLContext$SparkPlanner.html
  HTML SQLContext$implicits$$StringToColumn.html
  HTML SQLContext$implicits$.html
  HTML SQLContext.html
  HTML SaveMode.html
  HTML UDFRegistration.html
  HTML UserDefinedFunction.html
   DIR api
  HTML functions$.html
   DIR hive
  HTML package.html
   DIR sources
   DIR test