parquet.column.statistics

Class BinaryStatistics

java.lang.Object

parquet.column.statistics.Statistics

parquet.column.statistics.BinaryStatistics

public class BinaryStatistics
extends Statistics

Constructor Summary

Constructors

Constructor and Description
BinaryStatistics()

Method Summary

Modifier and Type	Method and Description
Binary	getMax()
byte[]	getMaxBytes() Abstract method to return the max value as a byte array
Binary	getMin()
byte[]	getMinBytes() Abstract method to return the min value as a byte array
void	initializeStats(Binary min_value, Binary max_value)
void	mergeStatisticsMinMax(Statistics stats) Abstract method to merge this statistics min and max with the values of the parameter object.
void	setMinMax(Binary min, Binary max)
void	setMinMaxFromBytes(byte[] minBytes, byte[] maxBytes) Abstract method to set min and max values from byte arrays.
String	toString() toString() to display min, max, num_nulls in a string
void	updateStats(Binary value) updates statistics min and max using the passed value
void	updateStats(Binary min_value, Binary max_value)

Methods inherited from class parquet.column.statistics.Statistics

equals, getNumNulls, getStatsBasedOnType, hashCode, incrementNumNulls, incrementNumNulls, isEmpty, markAsNotEmpty, mergeStatistics, setNumNulls, updateStats, updateStats, updateStats, updateStats, updateStats

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryStatistics

public BinaryStatistics()

Method Detail

updateStats

public void updateStats(Binary value)

Description copied from class: Statistics

updates statistics min and max using the passed value

Overrides:

updateStats in class Statistics

Parameters:

value - value to use to update min and max

mergeStatisticsMinMax

public void mergeStatisticsMinMax(Statistics stats)

Description copied from class: Statistics

Abstract method to merge this statistics min and max with the values of the parameter object. Does not do any checks, only called internally.

Specified by:

mergeStatisticsMinMax in class Statistics

Parameters:

stats - Statistics object to merge with

setMinMaxFromBytes

public void setMinMaxFromBytes(byte[] minBytes,
                               byte[] maxBytes)

Description copied from class: Statistics

Abstract method to set min and max values from byte arrays.

Specified by:

setMinMaxFromBytes in class Statistics

Parameters:

minBytes - byte array to set the min value to

maxBytes - byte array to set the max value to

getMaxBytes

public byte[] getMaxBytes()

Description copied from class: Statistics

Abstract method to return the max value as a byte array

Specified by:

getMaxBytes in class Statistics

Returns:

byte array corresponding to the max value

getMinBytes

public byte[] getMinBytes()

Description copied from class: Statistics

Abstract method to return the min value as a byte array

Specified by:

getMinBytes in class Statistics

Returns:

byte array corresponding to the min value

toString

public String toString()

Description copied from class: Statistics

toString() to display min, max, num_nulls in a string

Specified by:

toString in class Statistics

updateStats

public void updateStats(Binary min_value,
                        Binary max_value)

initializeStats

public void initializeStats(Binary min_value,
                            Binary max_value)

getMax

public Binary getMax()

getMin

public Binary getMin()

setMinMax

public void setMinMax(Binary min,
                      Binary max)