Uses of Class
org.apache.hadoop.hive.common.histogram.KllHistogramEstimator

Packages that use KllHistogramEstimator

Package	Description
org.apache.hadoop.hive.common.histogram
org.apache.hadoop.hive.metastore.columnstats.aggr
org.apache.hadoop.hive.metastore.columnstats.cache
org.apache.hadoop.hive.metastore.columnstats.merge

Uses of KllHistogramEstimator in org.apache.hadoop.hive.common.histogram

Methods in org.apache.hadoop.hive.common.histogram that return KllHistogramEstimator

Modifier and Type	Method and Description
static KllHistogramEstimator	KllHistogramEstimatorFactory.getEmptyHistogramEstimator() This method creates an empty histogram estimator with a KLL sketch with k=200.
static KllHistogramEstimator	KllHistogramEstimatorFactory.getEmptyHistogramEstimator(int k) This method creates an empty histogram estimator with a KLL sketch of a given k parameter.
static KllHistogramEstimator	KllHistogramEstimatorFactory.getEmptyHistogramEstimator(KllHistogramEstimator kllHistogramEstimator) This method creates an empty KLL histogram estimator, using the k parameter from the given estimator.
static KllHistogramEstimator	KllHistogramEstimatorFactory.getKllHistogramEstimator(byte[] buf) This function deserializes the serialized KLL histogram estimator from a byte array.
static KllHistogramEstimator	KllHistogramEstimatorFactory.getKllHistogramEstimator(byte[] buf, int start, int len) This function deserializes the serialized KLL histogram estimator from a byte array.

Methods in org.apache.hadoop.hive.common.histogram with parameters of type KllHistogramEstimator

Modifier and Type	Method and Description
boolean	KllHistogramEstimator.canMerge(KllHistogramEstimator o)
static KllHistogramEstimator	KllHistogramEstimatorFactory.getEmptyHistogramEstimator(KllHistogramEstimator kllHistogramEstimator) This method creates an empty KLL histogram estimator, using the k parameter from the given estimator.
void	KllHistogramEstimator.mergeEstimators(KllHistogramEstimator o)

Uses of KllHistogramEstimator in org.apache.hadoop.hive.metastore.columnstats.aggr

Methods in org.apache.hadoop.hive.metastore.columnstats.aggr that return KllHistogramEstimator

Modifier and Type	Method and Description
protected KllHistogramEstimator	ColumnStatsAggregator.mergeHistograms(List<MetaStoreServerUtils.ColStatsObjWithSourceInfo> colStatsWithSourceInfo)

Uses of KllHistogramEstimator in org.apache.hadoop.hive.metastore.columnstats.cache

Methods in org.apache.hadoop.hive.metastore.columnstats.cache that return KllHistogramEstimator

Modifier and Type	Method and Description
KllHistogramEstimator	TimestampColumnStatsDataInspector.getHistogramEstimator()
KllHistogramEstimator	DateColumnStatsDataInspector.getHistogramEstimator()
KllHistogramEstimator	LongColumnStatsDataInspector.getHistogramEstimator()
KllHistogramEstimator	DoubleColumnStatsDataInspector.getHistogramEstimator()
KllHistogramEstimator	DecimalColumnStatsDataInspector.getHistogramEstimator()

Methods in org.apache.hadoop.hive.metastore.columnstats.cache with parameters of type KllHistogramEstimator

Modifier and Type	Method and Description
void	TimestampColumnStatsDataInspector.setHistogramEstimator(KllHistogramEstimator histogramEstimator)
void	DateColumnStatsDataInspector.setHistogramEstimator(KllHistogramEstimator histogramEstimator)
void	LongColumnStatsDataInspector.setHistogramEstimator(KllHistogramEstimator histogramEstimator)
void	DoubleColumnStatsDataInspector.setHistogramEstimator(KllHistogramEstimator histogramEstimator)
void	DecimalColumnStatsDataInspector.setHistogramEstimator(KllHistogramEstimator histogramEstimator)

Uses of KllHistogramEstimator in org.apache.hadoop.hive.metastore.columnstats.merge

Methods in org.apache.hadoop.hive.metastore.columnstats.merge that return KllHistogramEstimator

Modifier and Type	Method and Description
protected KllHistogramEstimator	ColumnStatsMerger.mergeHistogramEstimator(String columnName, KllHistogramEstimator oldEst, KllHistogramEstimator newEst)

Methods in org.apache.hadoop.hive.metastore.columnstats.merge with parameters of type KllHistogramEstimator

Modifier and Type	Method and Description
protected KllHistogramEstimator	ColumnStatsMerger.mergeHistogramEstimator(String columnName, KllHistogramEstimator oldEst, KllHistogramEstimator newEst)