Package io.trino.spi.statistics

Class ColumnStatistics.Builder

java.lang.Object

io.trino.spi.statistics.ColumnStatistics.Builder

Enclosing class:

ColumnStatistics

public static final class ColumnStatistics.Builder
extends Object

If one of the estimates below is unspecified (i.e. left as "unknown"), the optimizer may not be able to derive the statistics needed for performing cost-based query plan optimizations.

Constructor Summary

Constructors

Constructor	Description
Builder()

Method Summary

Modifier and Type	Method	Description
ColumnStatistics	build()
ColumnStatistics.Builder	setDataSize(Estimate dataSize)
ColumnStatistics.Builder	setDistinctValuesCount(Estimate distinctValuesCount)
ColumnStatistics.Builder	setNullsFraction(Estimate nullsFraction)
ColumnStatistics.Builder	setRange(DoubleRange range)
ColumnStatistics.Builder	setRange(Optional<DoubleRange> range)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Builder

public Builder()

Method Details

setNullsFraction

public ColumnStatistics.Builder setNullsFraction(Estimate nullsFraction)

setDistinctValuesCount

public ColumnStatistics.Builder setDistinctValuesCount(Estimate distinctValuesCount)

setDataSize

public ColumnStatistics.Builder setDataSize(Estimate dataSize)

setRange

public ColumnStatistics.Builder setRange(DoubleRange range)

setRange

public ColumnStatistics.Builder setRange(Optional<DoubleRange> range)

build

public ColumnStatistics build()