icexelloss commented on code in PR #34311:
URL: https://github.com/apache/arrow/pull/34311#discussion_r1128135909
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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) {
+ const char* names[] = {
+ scalar ? "count" : "hash_count",
+ scalar ? "sum" : "hash_sum",
+ scalar ? "min_max" : "hash_min_max",
+ };
+ ASSERT_OK_AND_ASSIGN(Datum aggregated_and_grouped,
+ group_by(
+ {
+ table->GetColumnByName("argument"),
+ table->GetColumnByName("argument"),
+ table->GetColumnByName("argument"),
+ },
+ keys, segment_keys,
+ {
+ {names[0], nullptr, "agg_0", names[0]},
+ {names[1], nullptr, "agg_1", names[1]},
+ {names[2], nullptr, "agg_2", names[2]},
+ },
+ kDefaultUseThreads, /*naive=*/false));
+
+ AssertDatumsEqual(output, aggregated_and_grouped, /*verbose=*/true);
+}
+
+void TestSegmentScalar(GroupByFunction group_by, const std::shared_ptr<Table>&
table,
Review Comment:
What is the difference between `TestSegmentScalar` and `TestSegmentKey`?
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