Uses of Interface
org.apache.drill.metastore.statistics.Histogram

Packages that use Histogram

Package	Description
org.apache.drill.exec.planner.common
org.apache.drill.metastore.statistics

Uses of Histogram in org.apache.drill.exec.planner.common

Classes in org.apache.drill.exec.planner.common that implement Histogram

Modifier and Type	Class	Description
class	NumericEquiDepthHistogram	A column specific equi-depth histogram which is meant for numeric data types

Methods in org.apache.drill.exec.planner.common that return Histogram

Modifier and Type	Method	Description
static Histogram	HistogramUtils.buildHistogramFromTDigest(byte[] tdigest_bytearray, TypeProtos.MajorType type, int numBuckets, long nonNullCount)	Build a histogram using the t-digest byte array.
Histogram	DrillStatsTable.ColumnStatistics_v1.getHistogram()
Histogram	DrillStatsTable.getHistogram(SchemaPath column)	Get the histogram of a given column.

Methods in org.apache.drill.exec.planner.common with parameters of type Histogram

Modifier and Type	Method	Description
void	DrillStatsTable.ColumnStatistics_v1.setHistogram(Histogram histogram)

Uses of Histogram in org.apache.drill.metastore.statistics

Fields in org.apache.drill.metastore.statistics with type parameters of type Histogram

Modifier and Type	Field	Description
static final ColumnStatisticsKind<Histogram>	ColumnStatisticsKind.HISTOGRAM	Column statistics kind which is the histogram of the specific column.