Package org.dflib.parquet

Class ParquetLoader

java.lang.Object

org.dflib.parquet.ParquetLoader

public class ParquetLoader
extends Object

Since:

1.0.0-M23

Constructor Summary

Constructors

Constructor	Description
ParquetLoader()

Method Summary

Modifier and Type	Method	Description
ParquetLoader	cols(int... columns)
ParquetLoader	cols(String... columns)	Configures the loader to only process the specified columns, and include them in the DataFrame in the specified order.
ParquetLoader	colsExcept(int... columns)
ParquetLoader	colsExcept(String... columns)
DataFrame	load(File file)
DataFrame	load(String filePath)
DataFrame	load(Path filePath)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ParquetLoader

public ParquetLoader()

Method Details

cols

public ParquetLoader cols(String... columns)

Configures the loader to only process the specified columns, and include them in the DataFrame in the specified order.

Returns:

this loader instance

cols

public ParquetLoader cols(int... columns)

Returns:

this loader instance

colsExcept

public ParquetLoader colsExcept(String... columns)

Returns:

this loader instance

colsExcept

public ParquetLoader colsExcept(int... columns)

Returns:

this loader instance

load

public DataFrame load(File file)

load

public DataFrame load(String filePath)

load

public DataFrame load(Path filePath)