Uses of Interface
org.apache.hadoop.hive.common.ndv.NumDistinctValueEstimator

Packages that use NumDistinctValueEstimator

Package	Description
org.apache.hadoop.hive.common.ndv
org.apache.hadoop.hive.common.ndv.fm
org.apache.hadoop.hive.common.ndv.hll
org.apache.hadoop.hive.metastore.columnstats.cache
org.apache.hadoop.hive.metastore.columnstats.merge

Uses of NumDistinctValueEstimator in org.apache.hadoop.hive.common.ndv

Methods in org.apache.hadoop.hive.common.ndv that return NumDistinctValueEstimator

Modifier and Type	Method and Description
NumDistinctValueEstimator	NumDistinctValueEstimator.deserialize(byte[] buf)
static NumDistinctValueEstimator	NumDistinctValueEstimatorFactory.getEmptyNumDistinctValueEstimator(NumDistinctValueEstimator n)
static NumDistinctValueEstimator	NumDistinctValueEstimatorFactory.getEmptyNumDistinctValueEstimator(String func, int numBitVectors)
static NumDistinctValueEstimator	NumDistinctValueEstimatorFactory.getNumDistinctValueEstimator(byte[] buf)

Methods in org.apache.hadoop.hive.common.ndv with parameters of type NumDistinctValueEstimator

Modifier and Type	Method and Description
boolean	NumDistinctValueEstimator.canMerge(NumDistinctValueEstimator o)
static NumDistinctValueEstimator	NumDistinctValueEstimatorFactory.getEmptyNumDistinctValueEstimator(NumDistinctValueEstimator n)
void	NumDistinctValueEstimator.mergeEstimators(NumDistinctValueEstimator o)

Uses of NumDistinctValueEstimator in org.apache.hadoop.hive.common.ndv.fm

Classes in org.apache.hadoop.hive.common.ndv.fm that implement NumDistinctValueEstimator

Modifier and Type	Class and Description
class	FMSketch

Methods in org.apache.hadoop.hive.common.ndv.fm that return NumDistinctValueEstimator

Modifier and Type	Method and Description
NumDistinctValueEstimator	FMSketch.deserialize(byte[] buf)

Methods in org.apache.hadoop.hive.common.ndv.fm with parameters of type NumDistinctValueEstimator

Modifier and Type	Method and Description
boolean	FMSketch.canMerge(NumDistinctValueEstimator o)
void	FMSketch.mergeEstimators(NumDistinctValueEstimator o)

Uses of NumDistinctValueEstimator in org.apache.hadoop.hive.common.ndv.hll

Classes in org.apache.hadoop.hive.common.ndv.hll that implement NumDistinctValueEstimator

Modifier and Type	Class and Description
class	HyperLogLog This is an implementation of the following variants of hyperloglog (HLL) algorithm Original - Original HLL algorithm from Flajolet et.

Methods in org.apache.hadoop.hive.common.ndv.hll that return NumDistinctValueEstimator

Modifier and Type	Method and Description
NumDistinctValueEstimator	HyperLogLog.deserialize(byte[] buf)

Methods in org.apache.hadoop.hive.common.ndv.hll with parameters of type NumDistinctValueEstimator

Modifier and Type	Method and Description
boolean	HyperLogLog.canMerge(NumDistinctValueEstimator o)
void	HyperLogLog.mergeEstimators(NumDistinctValueEstimator o)

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

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

Modifier and Type	Method and Description
NumDistinctValueEstimator	TimestampColumnStatsDataInspector.getNdvEstimator()
NumDistinctValueEstimator	DateColumnStatsDataInspector.getNdvEstimator()
NumDistinctValueEstimator	LongColumnStatsDataInspector.getNdvEstimator()
NumDistinctValueEstimator	StringColumnStatsDataInspector.getNdvEstimator()
NumDistinctValueEstimator	DoubleColumnStatsDataInspector.getNdvEstimator()
NumDistinctValueEstimator	DecimalColumnStatsDataInspector.getNdvEstimator()

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

Modifier and Type	Method and Description
void	TimestampColumnStatsDataInspector.setNdvEstimator(NumDistinctValueEstimator ndvEstimator)
void	DateColumnStatsDataInspector.setNdvEstimator(NumDistinctValueEstimator ndvEstimator)
void	LongColumnStatsDataInspector.setNdvEstimator(NumDistinctValueEstimator ndvEstimator)
void	StringColumnStatsDataInspector.setNdvEstimator(NumDistinctValueEstimator ndvEstimator)
void	DoubleColumnStatsDataInspector.setNdvEstimator(NumDistinctValueEstimator ndvEstimator)
void	DecimalColumnStatsDataInspector.setNdvEstimator(NumDistinctValueEstimator ndvEstimator)

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

Method parameters in org.apache.hadoop.hive.metastore.columnstats.merge with type arguments of type NumDistinctValueEstimator

Modifier and Type	Method and Description
protected long	ColumnStatsMerger.mergeNumDistinctValueEstimator(String columnName, List<NumDistinctValueEstimator> estimators, long oldNumDVs, long newNumDVs)