#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY #include #include #include #include #include #include #include namespace test_operations { struct Person { sqlgen::PrimaryKey id; std::string first_name; std::string last_name; int age; }; TEST(postgres, test_operations) { const auto people1 = std::vector( {Person{ .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45}, Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10}, Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8}, Person{ .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0}}); const auto credentials = sqlgen::postgres::Credentials{.user = "postgres", .password = "password", .host = "localhost", .dbname = "postgres"}; using namespace sqlgen; using namespace sqlgen::literals; struct Children { int id_plus_age; int age_times_2; int id_plus_2_minus_age; int age_mod_3; int abs_age; double exp_age; double sqrt_age; size_t length_first_name; std::string full_name; std::string first_name_lower; std::string first_name_upper; std::string first_name_replaced; }; const auto get_children = select_from( ("id"_c + "age"_c) | as<"id_plus_age">, ("age"_c * 2) | as<"age_times_2">, ("age"_c % 3) | as<"age_mod_3">, abs("age"_c * (-1)) | as<"abs_age">, round(exp(cast("age"_c)), 2) | as<"exp_age">, round(sqrt(cast("age"_c)), 2) | as<"sqrt_age">, ("id"_c + 2 - "age"_c) | as<"id_plus_2_minus_age">, length(trim("first_name"_c)) | as<"length_first_name">, concat(ltrim("first_name"_c), " ", rtrim("last_name"_c)) | as<"full_name">, upper(rtrim(concat("first_name"_c, " "))) | as<"first_name_upper">, lower(ltrim(concat(" ", "first_name"_c))) | as<"first_name_lower">, replace("first_name"_c, "Bart", "Hugo") | as<"first_name_replaced">) | where("age"_c < 18) | order_by("age"_c.desc()) | to>; const auto children = postgres::connect(credentials) .and_then(drop | if_exists) .and_then(write(std::ref(people1))) .and_then(get_children) .value(); const std::string expected = R"([{"id_plus_age":11,"age_times_2":20,"id_plus_2_minus_age":-7,"age_mod_3":1,"abs_age":10,"exp_age":22026.47,"sqrt_age":3.16,"length_first_name":4,"full_name":"Bart Simpson","first_name_lower":"bart","first_name_upper":"BART","first_name_replaced":"Hugo"},{"id_plus_age":10,"age_times_2":16,"id_plus_2_minus_age":-4,"age_mod_3":2,"abs_age":8,"exp_age":2980.96,"sqrt_age":2.83,"length_first_name":4,"full_name":"Lisa Simpson","first_name_lower":"lisa","first_name_upper":"LISA","first_name_replaced":"Lisa"},{"id_plus_age":3,"age_times_2":0,"id_plus_2_minus_age":5,"age_mod_3":0,"abs_age":0,"exp_age":1.0,"sqrt_age":0.0,"length_first_name":6,"full_name":"Maggie Simpson","first_name_lower":"maggie","first_name_upper":"MAGGIE","first_name_replaced":"Maggie"}])"; EXPECT_EQ(rfl::json::write(children), expected); } } // namespace test_operations #endif