org.apache.hadoop.hive.metastore.columnstats.aggr

Class BooleanColumnStatsAggregator

java.lang.Object

org.apache.hadoop.hive.metastore.columnstats.aggr.ColumnStatsAggregator

org.apache.hadoop.hive.metastore.columnstats.aggr.BooleanColumnStatsAggregator

public class BooleanColumnStatsAggregator
extends ColumnStatsAggregator

Field Summary

Fields inherited from class org.apache.hadoop.hive.metastore.columnstats.aggr.ColumnStatsAggregator

ndvTuner, useDensityFunctionForNDVEstimation

Constructor Summary

Constructors

Constructor and Description
BooleanColumnStatsAggregator()

Method Summary

Modifier and Type	Method and Description
ColumnStatisticsObj	aggregate(List<MetaStoreServerUtils.ColStatsObjWithSourceInfo> colStatsWithSourceInfo, List<String> partNames, boolean areAllPartsFound)
protected ColumnStatisticsData	initColumnStatisticsData()

Methods inherited from class org.apache.hadoop.hive.metastore.columnstats.aggr.ColumnStatsAggregator

mergeHistograms

Methods inherited from class java.lang.Object

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

Constructor Detail

BooleanColumnStatsAggregator

public BooleanColumnStatsAggregator()

Method Detail

aggregate

public ColumnStatisticsObj aggregate(List<MetaStoreServerUtils.ColStatsObjWithSourceInfo> colStatsWithSourceInfo,
                                     List<String> partNames,
                                     boolean areAllPartsFound)
                              throws MetaException

Specified by:

aggregate in class ColumnStatsAggregator

Throws:

MetaException

initColumnStatisticsData

protected ColumnStatisticsData initColumnStatisticsData()

Specified by:

initColumnStatisticsData in class ColumnStatsAggregator