Uses of Interface
org.apache.drill.metastore.statistics.Histogram
Packages that use Histogram
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Uses of Histogram in org.apache.drill.exec.planner.common
Classes in org.apache.drill.exec.planner.common that implement HistogramModifier and TypeClassDescriptionclass
A column specific equi-depth histogram which is meant for numeric data typesMethods in org.apache.drill.exec.planner.common that return HistogramModifier and TypeMethodDescriptionstatic Histogram
HistogramUtils.buildHistogramFromTDigest
(byte[] tdigest_bytearray, TypeProtos.MajorType type, int numBuckets, long nonNullCount) Build a histogram using the t-digest byte array.DrillStatsTable.ColumnStatistics_v1.getHistogram()
DrillStatsTable.getHistogram
(SchemaPath column) Get the histogram of a given column.Methods in org.apache.drill.exec.planner.common with parameters of type HistogramModifier and TypeMethodDescriptionvoid
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 HistogramModifier and TypeFieldDescriptionstatic final ColumnStatisticsKind<Histogram>
ColumnStatisticsKind.HISTOGRAM
Column statistics kind which is the histogram of the specific column.