Package | Description |
---|---|
org.apache.drill.exec.planner.common | |
org.apache.drill.metastore.statistics |
Modifier and Type | Class and Description |
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class |
NumericEquiDepthHistogram
A column specific equi-depth histogram which is meant for numeric data types
|
Modifier and Type | Method and Description |
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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.
|
Modifier and Type | Method and Description |
---|---|
void |
DrillStatsTable.ColumnStatistics_v1.setHistogram(Histogram histogram) |
Modifier and Type | Field and Description |
---|---|
static ColumnStatisticsKind<Histogram> |
ColumnStatisticsKind.HISTOGRAM
Column statistics kind which is the histogram of the specific column.
|
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