Package ai.rapids.cudf

Class SegmentedReductionAggregation

java.lang.Object

ai.rapids.cudf.SegmentedReductionAggregation

public final class SegmentedReductionAggregation
extends Object

An aggregation that can be used for a reduce.

Method Summary

Modifier and Type	Method	Description
static SegmentedReductionAggregation	all()	All reduction.
static SegmentedReductionAggregation	any()	Any reduction.
boolean	equals(Object other)
int	hashCode()
static SegmentedReductionAggregation	hostUDF(HostUDFWrapper wrapper)	Execute a reduction using a host-side user-defined function (UDF).
static SegmentedReductionAggregation	max()	Max Aggregation
static SegmentedReductionAggregation	min()	Min Aggregation
static SegmentedReductionAggregation	product()	Product Aggregation.
static SegmentedReductionAggregation	sum()	Sum Aggregation

Methods inherited from class java.lang.Object

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

Method Details

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Overrides:

equals in class Object

sum

public static SegmentedReductionAggregation sum()

Sum Aggregation

product

public static SegmentedReductionAggregation product()

Product Aggregation.

min

public static SegmentedReductionAggregation min()

Min Aggregation

max

public static SegmentedReductionAggregation max()

Max Aggregation

any

public static SegmentedReductionAggregation any()

Any reduction. Produces a true or 1, depending on the output type, if any of the elements in the range are true or non-zero, otherwise produces a false or 0. Null values are skipped.

all

public static SegmentedReductionAggregation all()

All reduction. Produces true or 1, depending on the output type, if all of the elements in the range are true or non-zero, otherwise produces a false or 0. Null values are skipped.

hostUDF

public static SegmentedReductionAggregation hostUDF(HostUDFWrapper wrapper)

Execute a reduction using a host-side user-defined function (UDF).

Parameters:

wrapper - The wrapper for the native host UDF instance.

Returns:

A new SegmentedReductionAggregation instance