kszucs commented on a change in pull request #7478:
URL: https://github.com/apache/arrow/pull/7478#discussion_r442233159
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File path: cpp/src/arrow/compute/kernels/aggregate_basic.cc
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@@ -255,6 +255,28 @@ struct SumState {
}
};
+template <>
+struct SumState<BooleanType> {
+ using SumType = typename FindAccumulatorType<BooleanType>::Type;
+ using ThisType = SumState<BooleanType, SumType>;
+
+ ThisType& operator+=(const ThisType& rhs) {
Review comment:
I chose to specialize SumState since the required machinery is already
implemented.
I could factor out the common parts to a SumStateBase or something. Let me
know if there is a nicer solution.
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