Package org.elasticsearch.xpack.esql.planner

Class AggregateMapper

java.lang.Object

org.elasticsearch.xpack.esql.planner.AggregateMapper

public final class AggregateMapper
extends Object

Static class used to convert aggregate expressions to the named expressions that represent their intermediate state.

Constructor Summary

Constructors

Constructor	Description
AggregateMapper()

Method Summary

Modifier and Type	Method	Description
static List<IntermediateStateDesc>	intermediateStateDesc(AggregateFunction fn, boolean grouping)
static List<NamedExpression>	mapGrouping(List<? extends NamedExpression> aggregates)
static List<NamedExpression>	mapNonGrouping(List<? extends NamedExpression> aggregates)

Methods inherited from class java.lang.Object

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

Constructor Details

AggregateMapper

public AggregateMapper()

Method Details

mapNonGrouping

public static List<NamedExpression> mapNonGrouping(List<? extends NamedExpression> aggregates)

mapGrouping

public static List<NamedExpression> mapGrouping(List<? extends NamedExpression> aggregates)

intermediateStateDesc

public static List<IntermediateStateDesc> intermediateStateDesc(AggregateFunction fn,
 boolean grouping)