org.apache.spark.sql.columnar.compression

Class LongDelta.Encoder

Object

org.apache.spark.sql.columnar.compression.LongDelta.Encoder

All Implemented Interfaces:

Encoder<org.apache.spark.sql.catalyst.types.LongType$>

Enclosing class:

LongDelta

public static class LongDelta.Encoder
extends Object
implements Encoder<org.apache.spark.sql.catalyst.types.LongType$>

Constructor Summary

Constructors

Constructor and Description
LongDelta.Encoder()

Method Summary

Methods

Modifier and Type	Method and Description
java.nio.ByteBuffer	compress(java.nio.ByteBuffer from, java.nio.ByteBuffer to)
int	compressedSize()
void	gatherCompressibilityStats(org.apache.spark.sql.catalyst.expressions.Row row, int ordinal)
int	uncompressedSize()

Methods inherited from class Object

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

Methods inherited from interface org.apache.spark.sql.columnar.compression.Encoder

compressionRatio

Constructor Detail

LongDelta.Encoder

public LongDelta.Encoder()

Method Detail

compressedSize

public int compressedSize()

Specified by:

compressedSize in interface Encoder<org.apache.spark.sql.catalyst.types.LongType$>

uncompressedSize

public int uncompressedSize()

Specified by:

uncompressedSize in interface Encoder<org.apache.spark.sql.catalyst.types.LongType$>

gatherCompressibilityStats

public void gatherCompressibilityStats(org.apache.spark.sql.catalyst.expressions.Row row,
                              int ordinal)

Specified by:

gatherCompressibilityStats in interface Encoder<org.apache.spark.sql.catalyst.types.LongType$>

compress

public java.nio.ByteBuffer compress(java.nio.ByteBuffer from,
                           java.nio.ByteBuffer to)

Specified by:

compress in interface Encoder<org.apache.spark.sql.catalyst.types.LongType$>