DimensionComparisonUtils (druid-processing 30.0.1 API)

java.lang.Object
- org.apache.druid.query.DimensionComparisonUtils

public class DimensionComparisonUtils
extends Object

Utility class to compare dimensions

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`DimensionComparisonUtils.ArrayComparator<T>`	Creates a list comparator with custom comparator for the elements.
`static class`	`DimensionComparisonUtils.ArrayComparatorForUnnaturalStringComparator`	Array comparator that converts the elements to their string representation, before comparing the values using the provided `StringComparator`.

Constructor Summary

Constructors
Constructor Description

DimensionComparisonUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`isNaturalComparator(ValueType type, StringComparator comparator)`	Checks if the comparator is the natural comparator for the given type.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DimensionComparisonUtils
```
public DimensionComparisonUtils()
```
- Method Detail
  - isNaturalComparator
```
public static boolean isNaturalComparator(ValueType type,
                                          StringComparator comparator)
```
    Checks if the comparator is the natural comparator for the given type. Natural comparator for a type is the comparator that will yield the same results as a.compareTo(b) for objects a, b belonging to that valueType. In such cases, it'll be faster to directly use the comparison methods provided by Java or the library, as using the StringComparator would be slow. MSQ only supports natural comparators