#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY #include #include #include #include #include #include namespace test_limit { struct Person { sqlgen::PrimaryKey id; std::string first_name; std::string last_name; int age; }; TEST(postgres, test_limit) { 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}, Person{ .id = 4, .first_name = "Hugo", .last_name = "Simpson", .age = 10}}); const auto credentials = sqlgen::postgres::Credentials{.user = "postgres", .password = "password", .host = "localhost", .dbname = "postgres"}; using namespace sqlgen; using namespace sqlgen::literals; const auto conn = sqlgen::postgres::connect(credentials).and_then(drop | if_exists); sqlgen::write(conn, people1).value(); const auto query = sqlgen::read> | order_by("age"_c) | limit(2); const auto people2 = query(conn).value(); const std::string expected = R"([{"id":3,"first_name":"Maggie","last_name":"Simpson","age":0},{"id":2,"first_name":"Lisa","last_name":"Simpson","age":8}])"; EXPECT_EQ(rfl::json::write(people2), expected); } } // namespace test_limit #endif