Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/19222#discussion_r172365874 --- Diff: sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OffHeapColumnVector.java --- @@ -57,20 +59,20 @@ // The data stored in these two allocations need to maintain binary compatible. We can // directly pass this buffer to external components. - private long nulls; --- End diff -- do we have to change this class? column vector doesn't allocate memory from the memory manager.
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