Module org.elasticsearch.compute

Package org.elasticsearch.compute.aggregation

Class AnyExponentialHistogramAggregator

java.lang.Object

org.elasticsearch.compute.aggregation.AnyExponentialHistogramAggregator

public class AnyExponentialHistogramAggregator
extends Object

Returns the first non-null exponential histogram value encountered. Used by FUSE and by FIRST(field, NULL) when the sort field is null or constant.

Constructor Summary

Constructors

Constructor	Description
AnyExponentialHistogramAggregator()

Method Summary

Modifier and Type	Method	Description
static void	combine(ExponentialHistogramStates.SeenGroupingState current, int groupId, ExponentialHistogram value)
static void	combine(ExponentialHistogramStates.SeenSingleState current, ExponentialHistogram value)
static void	combineIntermediate(ExponentialHistogramStates.SeenGroupingState current, int groupId, ExponentialHistogram values, boolean seen)
static void	combineIntermediate(ExponentialHistogramStates.SeenSingleState current, ExponentialHistogram values, boolean seen)
static String	describe()
static Block	evaluateFinal(ExponentialHistogramStates.SeenGroupingState state, IntVector selected, GroupingAggregatorEvaluationContext ctx)
static Block	evaluateFinal(ExponentialHistogramStates.SeenSingleState current, DriverContext ctx)
static ExponentialHistogramStates.SeenGroupingState	initGrouping(DriverContext driverContext)
static ExponentialHistogramStates.SeenSingleState	initSingle(DriverContext driverContext)

Methods inherited from class java.lang.Object

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

Constructor Details

AnyExponentialHistogramAggregator

public AnyExponentialHistogramAggregator()

Method Details

describe

public static String describe()

initSingle

public static ExponentialHistogramStates.SeenSingleState initSingle(DriverContext driverContext)

combine

public static void combine(ExponentialHistogramStates.SeenSingleState current,
 ExponentialHistogram value)

combineIntermediate

public static void combineIntermediate(ExponentialHistogramStates.SeenSingleState current,
 ExponentialHistogram values,
 boolean seen)

evaluateFinal

public static Block evaluateFinal(ExponentialHistogramStates.SeenSingleState current,
 DriverContext ctx)

initGrouping

public static ExponentialHistogramStates.SeenGroupingState initGrouping(DriverContext driverContext)

combine

public static void combine(ExponentialHistogramStates.SeenGroupingState current,
 int groupId,
 ExponentialHistogram value)

combineIntermediate

public static void combineIntermediate(ExponentialHistogramStates.SeenGroupingState current,
 int groupId,
 ExponentialHistogram values,
 boolean seen)

evaluateFinal

public static Block evaluateFinal(ExponentialHistogramStates.SeenGroupingState state,
 IntVector selected,
 GroupingAggregatorEvaluationContext ctx)