DataFrameReader.csv(path[,��schema,��sep,�����])
|
Loads a CSV file and returns the result as a DataFrame. |
DataFrameReader.format(source)
|
Specifies the input data source format. |
DataFrameReader.jdbc(url,��table[,��column,�����])
|
Construct a DataFrame representing the database table named table accessible via JDBC URL url and connection properties. |
DataFrameReader.json(path[,��schema,�����])
|
Loads JSON files and returns the results as a DataFrame. |
DataFrameReader.load([path,��format,��schema])
|
Loads data from a data source and returns it as a DataFrame. |
DataFrameReader.option(key,��value)
|
Adds an input option for the underlying data source. |
DataFrameReader.options(**options)
|
Adds input options for the underlying data source. |
DataFrameReader.orc(path[,��mergeSchema,�����])
|
Loads ORC files, returning the result as a DataFrame. |
DataFrameReader.parquet(*paths,��**options)
|
Loads Parquet files, returning the result as a DataFrame. |
DataFrameReader.schema(schema)
|
Specifies the input schema. |
DataFrameReader.table(tableName)
|
Returns the specified table as a DataFrame. |
DataFrameReader.text(paths[,��wholetext,�����])
|
Loads text files and returns a DataFrame whose schema starts with a string column named ���value���, and followed by partitioned columns if there are any. |
DataFrameWriter.bucketBy(numBuckets,��col,��*cols)
|
Buckets the output by the given columns. |
DataFrameWriter.csv(path[,��mode,�����])
|
Saves the content of the DataFrame in CSV format at the specified path. |
DataFrameWriter.format(source)
|
Specifies the underlying output data source. |
DataFrameWriter.insertInto(tableName[,�����])
|
Inserts the content of the DataFrame to the specified table. |
DataFrameWriter.jdbc(url,��table[,��mode,�����])
|
Saves the content of the DataFrame to an external database table via JDBC. |
DataFrameWriter.json(path[,��mode,�����])
|
Saves the content of the DataFrame in JSON format (JSON Lines text format or newline-delimited JSON) at the specified path. |
DataFrameWriter.mode(saveMode)
|
Specifies the behavior when data or table already exists. |
DataFrameWriter.option(key,��value)
|
Adds an output option for the underlying data source. |
DataFrameWriter.options(**options)
|
Adds output options for the underlying data source. |
DataFrameWriter.orc(path[,��mode,�����])
|
Saves the content of the DataFrame in ORC format at the specified path. |
DataFrameWriter.parquet(path[,��mode,�����])
|
Saves the content of the DataFrame in Parquet format at the specified path. |
DataFrameWriter.partitionBy(*cols)
|
Partitions the output by the given columns on the file system. |
DataFrameWriter.save([path,��format,��mode,�����])
|
Saves the contents of the DataFrame to a data source. |
DataFrameWriter.saveAsTable(name[,��format,�����])
|
Saves the content of the DataFrame as the specified table. |
DataFrameWriter.sortBy(col,��*cols)
|
Sorts the output in each bucket by the given columns on the file system. |
DataFrameWriter.text(path[,��compression,�����])
|
Saves the content of the DataFrame in a text file at the specified path. |