org.apache.calcite.profile

Class ProfilerImpl.SingletonCollector

java.lang.Object

org.apache.calcite.profile.ProfilerImpl.Collector

org.apache.calcite.profile.ProfilerImpl.SingletonCollector

Enclosing class:

ProfilerImpl

static class ProfilerImpl.SingletonCollector
extends ProfilerImpl.Collector

Collector that collects values of a single column.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	columnOrdinal
(package private) int	nullCount
(package private) int	sketchThreshold
(package private) SortedSet<Comparable>	values

Fields inherited from class org.apache.calcite.profile.ProfilerImpl.Collector

space

Constructor Summary

Constructors

Constructor and Description
SingletonCollector(ProfilerImpl.Space space, int columnOrdinal, int sketchThreshold)

Method Summary

Modifier and Type	Method and Description
void	add(List<Comparable> row)
void	finish()

Methods inherited from class org.apache.calcite.profile.ProfilerImpl.Collector

create

Methods inherited from class java.lang.Object

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

Field Detail

values

final SortedSet<Comparable> values

columnOrdinal

final int columnOrdinal

sketchThreshold

final int sketchThreshold

nullCount

int nullCount

Constructor Detail

SingletonCollector

SingletonCollector(ProfilerImpl.Space space,
                   int columnOrdinal,
                   int sketchThreshold)

Method Detail

add

public void add(List<Comparable> row)

Specified by:

add in class ProfilerImpl.Collector

finish

public void finish()

Specified by:

finish in class ProfilerImpl.Collector