jihoonson commented on a change in pull request #5958: Part 2 of changes for
SQL Compatible Null Handling
URL: https://github.com/apache/incubator-druid/pull/5958#discussion_r204944312
##########
File path:
processing/src/main/java/io/druid/query/groupby/epinephelinae/RowBasedGrouperHelper.java
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@@ -1700,6 +1712,78 @@ public BufferComparator getBufferComparator()
return bufferComparator;
}
}
+
+ // This class is only used when SQL compatible null handling is enabled.
+ private class NullableRowBasedKeySerdeHelper implements
RowBasedKeySerdeHelper
Review comment:
Please add a comment about the memory layout.
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