io.prestosql.sql.planner.plan

Class StatisticAggregationsDescriptor<T>

java.lang.Object

io.prestosql.sql.planner.plan.StatisticAggregationsDescriptor<T>

public class StatisticAggregationsDescriptor<T>
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StatisticAggregationsDescriptor.Builder<T>
static class	StatisticAggregationsDescriptor.ColumnStatisticMetadataKeyDeserializer
static class	StatisticAggregationsDescriptor.ColumnStatisticMetadataKeySerializer

Constructor Summary

Constructors

Constructor and Description
StatisticAggregationsDescriptor(Map<String,T> grouping, Map<TableStatisticType,T> tableStatistics, Map<ColumnStatisticMetadata,T> columnStatistics)

Method Summary

Modifier and Type	Method and Description
static <B> StatisticAggregationsDescriptor.Builder<B>	builder()
static <T> StatisticAggregationsDescriptor<T>	empty()
boolean	equals(Object o)
Map<ColumnStatisticMetadata,T>	getColumnStatistics()
Map<String,T>	getGrouping()
Map<TableStatisticType,T>	getTableStatistics()
int	hashCode()
<T2> StatisticAggregationsDescriptor<T2>	map(Function<T,T2> mapper)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

StatisticAggregationsDescriptor

public StatisticAggregationsDescriptor(Map<String,T> grouping,
                                       Map<TableStatisticType,T> tableStatistics,
                                       Map<ColumnStatisticMetadata,T> columnStatistics)

Method Detail

empty

public static <T> StatisticAggregationsDescriptor<T> empty()

getGrouping

public Map<String,T> getGrouping()

getTableStatistics

public Map<TableStatisticType,T> getTableStatistics()

getColumnStatistics

public Map<ColumnStatisticMetadata,T> getColumnStatistics()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

builder

public static <B> StatisticAggregationsDescriptor.Builder<B> builder()

map

public <T2> StatisticAggregationsDescriptor<T2> map(Function<T,T2> mapper)