From eb6791a60c24dd8758e2852e0dca5f933ef3371f Mon Sep 17 00:00:00 2001
From: Gian Merlino <gianmerlino@gmail.com>
Date: Wed, 13 Sep 2017 09:52:01 -0700
Subject: [PATCH] TimestampAggregator: Avoid cross-classloader access of
 package-private field. (#4788)

* TimestampAggregator: Avoid cross-classloader access of package-private field.

* Simplify.

* Remove unused import.
---
 .../java/io/druid/query/aggregation/TimestampAggregator.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions-contrib/time-min-max/src/main/java/io/druid/query/aggregation/TimestampAggregator.java b/extensions-contrib/time-min-max/src/main/java/io/druid/query/aggregation/TimestampAggregator.java
index 78209b1acd6..cbfd20b4a27 100644
--- a/extensions-contrib/time-min-max/src/main/java/io/druid/query/aggregation/TimestampAggregator.java
+++ b/extensions-contrib/time-min-max/src/main/java/io/druid/query/aggregation/TimestampAggregator.java
@@ -26,7 +26,7 @@ import java.util.Comparator;
 
 public class TimestampAggregator implements Aggregator
 {
-  static final Comparator COMPARATOR = LongMaxAggregator.COMPARATOR;
+  static final Comparator COMPARATOR = Comparator.comparingLong(n -> ((Number) n).longValue());
 
   static Object combineValues(Comparator<Long> comparator, Object lhs, Object rhs)
   {