Class ColumnStatistics

java.lang.Object

io.trino.orc.metadata.statistics.ColumnStatistics

All Implemented Interfaces:

StatisticsHasher.Hashable

public class ColumnStatistics
extends Object
implements StatisticsHasher.Hashable

Constructor Summary

Constructors

Constructor

Description

ColumnStatistics(Long numberOfValues, long minAverageValueSizeInBytes, BooleanStatistics booleanStatistics, IntegerStatistics integerStatistics, DoubleStatistics doubleStatistics, Long numberOfNanValues, StringStatistics stringStatistics, DateStatistics dateStatistics, TimestampStatistics timestampStatistics, DecimalStatistics decimalStatistics, BinaryStatistics binaryStatistics, BloomFilter bloomFilter)

Method Summary

Modifier and Type	Method	Description
void	addHash(StatisticsHasher hasher)
boolean	equals(Object o)
BinaryStatistics	getBinaryStatistics()
BloomFilter	getBloomFilter()
BooleanStatistics	getBooleanStatistics()
DateStatistics	getDateStatistics()
DecimalStatistics	getDecimalStatistics()
DoubleStatistics	getDoubleStatistics()
IntegerStatistics	getIntegerStatistics()
long	getMinAverageValueSizeInBytes()	The minimum average value sizes.
long	getNumberOfNanValues()
long	getNumberOfValues()
long	getRetainedSizeInBytes()
StringStatistics	getStringStatistics()
TimestampStatistics	getTimestampStatistics()
int	hashCode()
boolean	hasMinAverageValueSizeInBytes()
boolean	hasNumberOfValues()
static ColumnStatistics	mergeColumnStatistics(List<ColumnStatistics> stats)
String	toString()
ColumnStatistics	withBloomFilter(BloomFilter bloomFilter)

Methods inherited from class java.lang.Object

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

Constructor Details

ColumnStatistics

public ColumnStatistics(Long numberOfValues,
 long minAverageValueSizeInBytes,
 BooleanStatistics booleanStatistics,
 IntegerStatistics integerStatistics,
 DoubleStatistics doubleStatistics,
 Long numberOfNanValues,
 StringStatistics stringStatistics,
 DateStatistics dateStatistics,
 TimestampStatistics timestampStatistics,
 DecimalStatistics decimalStatistics,
 BinaryStatistics binaryStatistics,
 BloomFilter bloomFilter)

Method Details

hasNumberOfValues

public boolean hasNumberOfValues()

getNumberOfValues

public long getNumberOfValues()

hasMinAverageValueSizeInBytes

public boolean hasMinAverageValueSizeInBytes()

getMinAverageValueSizeInBytes

public long getMinAverageValueSizeInBytes()

The minimum average value sizes. The actual average value size is no less than the return value. It provides a lower bound of the size of data to be loaded

getBooleanStatistics

public BooleanStatistics getBooleanStatistics()

getDateStatistics

public DateStatistics getDateStatistics()

getDoubleStatistics

public DoubleStatistics getDoubleStatistics()

getNumberOfNanValues

public long getNumberOfNanValues()

getIntegerStatistics

public IntegerStatistics getIntegerStatistics()

getStringStatistics

public StringStatistics getStringStatistics()

getDecimalStatistics

public DecimalStatistics getDecimalStatistics()

getBinaryStatistics

public BinaryStatistics getBinaryStatistics()

getTimestampStatistics

public TimestampStatistics getTimestampStatistics()

getBloomFilter

public BloomFilter getBloomFilter()

withBloomFilter

public ColumnStatistics withBloomFilter(BloomFilter bloomFilter)

getRetainedSizeInBytes

public long getRetainedSizeInBytes()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

addHash

public void addHash(StatisticsHasher hasher)

Specified by:

addHash in interface StatisticsHasher.Hashable

mergeColumnStatistics

public static ColumnStatistics mergeColumnStatistics(List<ColumnStatistics> stats)