nishantmonu51 commented on a change in pull request #5452: SQL compatible Null
Handling Part 2 - Processing Layer and Druid-SQL changes
URL: https://github.com/apache/incubator-druid/pull/5452#discussion_r201070513
##########
File path:
processing/src/main/java/io/druid/query/aggregation/post/DoubleGreatestPostAggregator.java
##########
@@ -37,14 +38,7 @@
public class DoubleGreatestPostAggregator implements PostAggregator
{
- private static final Comparator COMPARATOR = new Comparator()
- {
- @Override
- public int compare(Object o, Object o1)
- {
- return ((Double) o).compareTo((Double) o1);
- }
- };
+ private static final Comparator<Number> COMPARATOR =
Comparator.nullsFirst(Comparator.comparingDouble(Number::doubleValue));
Review comment:
done.
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