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