| 48 | } |
| 49 | |
| 50 | TEST(GroupByConvenienceFunc, Basic) { |
| 51 | std::shared_ptr<Schema> in_schema = |
| 52 | schema({field("key1", utf8()), field("key2", int32()), field("value", int32())}); |
| 53 | std::shared_ptr<Table> in_table = TableFromJSON(in_schema, {R"([ |
| 54 | ["x", 1, 1], |
| 55 | ["y", 1, 2], |
| 56 | ["y", 2, 3], |
| 57 | ["z", 2, 4], |
| 58 | ["z", 2, 5] |
| 59 | ])"}); |
| 60 | |
| 61 | // One key, two aggregates, same values array |
| 62 | std::shared_ptr<Table> expected = TableFromJSON(schema({ |
| 63 | field("key1", utf8()), |
| 64 | field("value_sum", int64()), |
| 65 | field("value_count", int64()), |
| 66 | }), |
| 67 | {R"([ |
| 68 | ["x", 1, 1], |
| 69 | ["y", 5, 2], |
| 70 | ["z", 9, 2] |
| 71 | ])"}); |
| 72 | ASSERT_OK_AND_ASSIGN(std::shared_ptr<Table> actual, |
| 73 | TableGroupBy(in_table, |
| 74 | {{"hash_sum", {"value"}, "value_sum"}, |
| 75 | {"hash_count", {"value"}, "value_count"}}, |
| 76 | {"key1"})); |
| 77 | AssertTablesEqual(*expected, *actual); |
| 78 | |
| 79 | // Two keys, one aggregate |
| 80 | expected = TableFromJSON(schema({field("key1", utf8()), field("key2", int32()), |
| 81 | field("value_sum", int64())}), |
| 82 | { |
| 83 | R"([ |
| 84 | ["x", 1, 1], |
| 85 | ["y", 1, 2], |
| 86 | ["y", 2, 3], |
| 87 | ["z", 2, 9] |
| 88 | ])"}); |
| 89 | |
| 90 | ASSERT_OK_AND_ASSIGN(actual, |
| 91 | TableGroupBy(in_table, {{"hash_sum", {"value"}, "value_sum"}}, |
| 92 | {{"key1"}, {"key2"}})); |
| 93 | AssertTablesEqual(*expected, *actual); |
| 94 | |
| 95 | // No keys (whole table aggregate) |
| 96 | expected = |
| 97 | TableFromJSON(schema({field("sum", int64()), field("count", int64())}), { |
| 98 | R"([ |
| 99 | [15, 5] |
| 100 | ])"}); |
| 101 | ASSERT_OK_AND_ASSIGN(actual, TableGroupBy(in_table, |
| 102 | {{"sum", {"value"}, "value_sum"}, |
| 103 | {"count", {"value"}, "value_count"}}, |
| 104 | {})); |
| 105 | |
| 106 | // No aggregates (used to get distinct key values) |
| 107 | expected = |
nothing calls this directly
no test coverage detected