URI:
  HTML AnalysisException.html
  HTML CacheManager.html
  HTML CachedData.html
  HTML Column.html
  HTML ColumnName.html
  HTML DataFrame.html
  HTML DataFrameHolder.html
  HTML DataFrameNaFunctions.html
  HTML ExperimentalMethods.html
  HTML GroupedData.html
  HTML RDDApi.html
  HTML Row.html
  HTML RowFactory.html
  HTML SQLConf.Deprecated$.html
  HTML SQLConf.html
  HTML SQLContext.html
  HTML SQLContext.implicits.StringToColumn.html
  HTML SQLContext.implicits.html
  HTML SaveMode.html
  HTML SparkSQLParser.html
  HTML UDFRegistration.html
  HTML UserDefinedFunction.html
  HTML UserDefinedPythonFunction.html
   DIR api
   DIR columnar
  HTML functions.html
   DIR hive
   DIR jdbc
   DIR json
  HTML package-frame.html
  HTML package-summary.html
  HTML package-tree.html
   DIR parquet
   DIR sources
   DIR test
   DIR types