Package org.apache.gravitino.rel.expressions.transforms

Class Transforms.BucketTransform

java.lang.Object

org.apache.gravitino.rel.expressions.transforms.Transforms.BucketTransform

All Implemented Interfaces:

Expression, Transform

Enclosing class:

Transforms

public static final class Transforms.BucketTransform
extends Object
implements Transform

A transform that returns the bucket of the input value.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.gravitino.rel.expressions.transforms.Transform

Transform.SingleFieldTransform

Field Summary

Fields inherited from interface org.apache.gravitino.rel.expressions.Expression

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method	Description
Expression[]	arguments()
boolean	equals(Object o)
String[][]	fieldNames()
int	hashCode()
String	name()
int	numBuckets()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.gravitino.rel.expressions.Expression

references

Methods inherited from interface org.apache.gravitino.rel.expressions.transforms.Transform

assignments, children

Method Details

numBuckets

public int numBuckets()

Returns:

The number of buckets to use.

fieldNames

public String[][] fieldNames()

Returns:

The field names to transform.

name

public String name()

Specified by:

name in interface Transform

Returns:

The name of the transform.

arguments

public Expression[] arguments()

Specified by:

arguments in interface Transform

Returns:

The arguments to the transform.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object