Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/17436#discussion_r150847402 --- Diff: sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/AggregateHashMap.java --- @@ -40,7 +42,7 @@ */ public class AggregateHashMap { - private OnHeapColumnVector[] columnVectors; + private WritableColumnVector[] columnVectors; --- End diff -- do we need to change it? I don't think this class is actually used.
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