Package org.apache.pinot.segment.local.realtime.converter.stats

Class MutableColumnStatistics

java.lang.Object

org.apache.pinot.segment.local.realtime.converter.stats.MutableColumnStatistics

All Implemented Interfaces:

Serializable, ColumnStatistics

public class MutableColumnStatistics
extends Object
implements ColumnStatistics

Column statistics for a column coming from an in-memory realtime segment. TODO: Gather more info on the fly to avoid scanning the segment

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
MutableColumnStatistics(DataSource dataSource, int[] sortedDocIdIterationOrder)

Method Summary

Modifier and Type	Method	Description
int	getCardinality()
int	getLengthOfLargestElement()
int	getLengthOfShortestElement()
int	getMaxNumberOfMultiValues()
Object	getMaxValue()
Object	getMinValue()
int	getNumPartitions()
PartitionFunction	getPartitionFunction()
Map<String,String>	getPartitionFunctionConfig()
Set<Integer>	getPartitions()
int	getTotalNumberOfEntries()
Object	getUniqueValuesSet()
boolean	isSorted()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pinot.segment.spi.creator.ColumnStatistics

getMaxRowLengthInBytes, isFixedLength

Constructor Detail

MutableColumnStatistics

public MutableColumnStatistics(DataSource dataSource,
                               @Nullable
                               int[] sortedDocIdIterationOrder)

Method Detail

getMinValue

public Object getMinValue()

Specified by:

getMinValue in interface ColumnStatistics

getMaxValue

public Object getMaxValue()

Specified by:

getMaxValue in interface ColumnStatistics

getUniqueValuesSet

public Object getUniqueValuesSet()

Specified by:

getUniqueValuesSet in interface ColumnStatistics

getCardinality

public int getCardinality()

Specified by:

getCardinality in interface ColumnStatistics

getLengthOfShortestElement

public int getLengthOfShortestElement()

Specified by:

getLengthOfShortestElement in interface ColumnStatistics

getLengthOfLargestElement

public int getLengthOfLargestElement()

Specified by:

getLengthOfLargestElement in interface ColumnStatistics

isSorted

public boolean isSorted()

Specified by:

isSorted in interface ColumnStatistics

getTotalNumberOfEntries

public int getTotalNumberOfEntries()

Specified by:

getTotalNumberOfEntries in interface ColumnStatistics

getMaxNumberOfMultiValues

public int getMaxNumberOfMultiValues()

Specified by:

getMaxNumberOfMultiValues in interface ColumnStatistics

getPartitionFunction

public PartitionFunction getPartitionFunction()

Specified by:

getPartitionFunction in interface ColumnStatistics

getNumPartitions

public int getNumPartitions()

Specified by:

getNumPartitions in interface ColumnStatistics

getPartitionFunctionConfig

public Map<String,String> getPartitionFunctionConfig()

Specified by:

getPartitionFunctionConfig in interface ColumnStatistics

getPartitions

public Set<Integer> getPartitions()

Specified by:

getPartitions in interface ColumnStatistics