[incubator-druid] 09/14: force native order when wrapping ByteBuffer since Druid can have it set (#8055)

[cw...@apache.org]

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cwylie pushed a commit to branch 0.15.1-incubating
in repository https://gitbox.apache.org/repos/asf/incubator-druid.git

commit 0ada25132cbbf1e04b4a0ae7877681e70dc5f2d2
Author: Alexander Saydakov <13...@users.noreply.github.com>
AuthorDate: Thu Jul 11 17:17:53 2019 -0700

    force native order when wrapping ByteBuffer since Druid can have it set (#8055)
    
    incorrectly
---
 .../datasketches/quantiles/DoublesSketchMergeBufferAggregator.java     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/extensions-core/datasketches/src/main/java/org/apache/druid/query/aggregation/datasketches/quantiles/DoublesSketchMergeBufferAggregator.java b/extensions-core/datasketches/src/main/java/org/apache/druid/query/aggregation/datasketches/quantiles/DoublesSketchMergeBufferAggregator.java
index f5a1e9d..a4766ac 100644
--- a/extensions-core/datasketches/src/main/java/org/apache/druid/query/aggregation/datasketches/quantiles/DoublesSketchMergeBufferAggregator.java
+++ b/extensions-core/datasketches/src/main/java/org/apache/druid/query/aggregation/datasketches/quantiles/DoublesSketchMergeBufferAggregator.java
@@ -28,6 +28,7 @@ import org.apache.druid.query.monomorphicprocessing.RuntimeShapeInspector;
 import org.apache.druid.segment.ColumnValueSelector;
 
 import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
 import java.util.IdentityHashMap;
 
 public class DoublesSketchMergeBufferAggregator implements BufferAggregator
@@ -113,7 +114,7 @@ public class DoublesSketchMergeBufferAggregator implements BufferAggregator
 
   private WritableMemory getMemory(final ByteBuffer buffer)
   {
-    return memCache.computeIfAbsent(buffer, buf -> WritableMemory.wrap(buf));
+    return memCache.computeIfAbsent(buffer, buf -> WritableMemory.wrap(buf, ByteOrder.LITTLE_ENDIAN));
   }
 
   private void putUnion(final ByteBuffer buffer, final int position, final DoublesUnion union)


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