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Interface Summary | |
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Row | Represents one row of output from a relational operator. |
Class Summary | |
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Column | :: Experimental ::
A column in a DataFrame . |
ColumnName | :: Experimental :: A convenient class used for constructing schema. |
DataFrame | :: Experimental :: A distributed collection of data organized into named columns. |
DataFrameNaFunctions | :: Experimental ::
Functionality for working with missing data in DataFrame s. |
DataFrameReader | :: Experimental ::
Interface used to load a DataFrame from external storage systems (e.g. |
DataFrameStatFunctions | :: Experimental ::
Statistic functions for DataFrame s. |
DataFrameWriter | :: Experimental ::
Interface used to write a DataFrame to external storage systems (e.g. |
ExperimentalMethods | :: Experimental :: Holder for experimental methods for the bravest. |
functions | |
GroupedData | :: Experimental ::
A set of methods for aggregations on a DataFrame , created by DataFrame.groupBy . |
RowFactory | A factory class used to construct Row objects. |
SQLContext | The entry point for working with structured data (rows and columns) in Spark. |
UDFRegistration | Functions for registering user-defined functions. |
UserDefinedFunction | A user-defined function. |
Enum Summary | |
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SaveMode | SaveMode is used to specify the expected behavior of saving a DataFrame to a data source. |
Exception Summary | |
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AnalysisException | :: DeveloperApi :: Thrown when a query fails to analyze, usually because the query itself is invalid. |
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