rtpsw commented on code in PR #34311:
URL: https://github.com/apache/arrow/pull/34311#discussion_r1128218140
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cpp/src/arrow/compute/kernels/hash_aggregate_test.cc:
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@@ -4202,5 +4551,260 @@ TEST(GroupBy, OnlyKeys) {
/*verbose=*/true);
}
}
+
+INSTANTIATE_TEST_SUITE_P(GroupBy, GroupBy, ::testing::Values(RunGroupByImpl));
+
+class SegmentedScalarGroupBy : public GroupBy {};
+
+class SegmentedKeyGroupBy : public GroupBy {};
+
+void TestSegment(GroupByFunction group_by, const std::shared_ptr<Table>& table,
+ Datum output, const std::vector<Datum>& keys,
+ const std::vector<Datum>& segment_keys, bool scalar) {
Review Comment:
It mean a scalar aggregate. I'll rename this to `is_scalar_aggregate` for
clarity.
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