Package org.apache.pinot.query.runtime.operator.utils

Class SortUtils.SortComparator

java.lang.Object

org.apache.pinot.query.runtime.operator.utils.SortUtils.SortComparator

All Implemented Interfaces:

Comparator<Object[]>

Enclosing class:

SortUtils

public static class SortUtils.SortComparator
extends Object
implements Comparator<Object[]>

Constructor Summary

Constructors

Constructor	Description
SortComparator(List<RexExpression> collationKeys, List<org.apache.calcite.rel.RelFieldCollation.Direction> collationDirections, List<org.apache.calcite.rel.RelFieldCollation.NullDirection> collationNullDirections, DataSchema dataSchema, boolean switchDirections)	Sort comparator for use with priority queues.

Method Summary

Modifier and Type	Method	Description
int	compare(Object[] o1, Object[] o2)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

SortComparator

public SortComparator(List<RexExpression> collationKeys,
                      List<org.apache.calcite.rel.RelFieldCollation.Direction> collationDirections,
                      List<org.apache.calcite.rel.RelFieldCollation.NullDirection> collationNullDirections,
                      DataSchema dataSchema,
                      boolean switchDirections)

Sort comparator for use with priority queues.

Parameters:

collationKeys - collation keys to sort on

collationDirections - collation direction for each collation key to sort on

collationNullDirections - collation direction for NULL values in each collation key to sort on

dataSchema - data schema to use

switchDirections - 'true' if the opposite sort direction should be used as what is specified

Method Detail

compare

public int compare(Object[] o1,
                   Object[] o2)

Specified by:

compare in interface Comparator<Object[]>