int main() { test::TabFoo f; test::TabBar t; sqlpp::select(t.alpha).flags(sqlpp::all).from(t); for (const auto& row : db(select(all_of(t)).from(t).where(true))) { int64_t a = row.alpha; const std::string b = row.beta; std::cout << a << ", " << b << std::endl; } for (const auto& row : db(select(all_of(t).as(t)).from(t).where(true))) { int64_t a = row.tabBar.alpha; const std::string b = row.tabBar.beta; std::cout << a << ", " << b << std::endl; } for (const auto& row : db(select(all_of(t).as(t), t.gamma).from(t).where(t.alpha > 7))) { int64_t a = row.tabBar.alpha; const std::string b = row.tabBar.beta; const bool g = row.gamma; std::cout << a << ", " << b << ", " << g << std::endl; } for (const auto& row : db(select(all_of(t), all_of(f)).from(t.join(f).on(t.alpha > f.omega and not t.gamma)).where(true))) { std::cout << row.alpha << std::endl; } auto stat = sqlpp::select().columns(all_of(t)).flags(sqlpp::all).from(t).extra_tables(f,t).where(t.alpha > 0).group_by(t.alpha).order_by(t.gamma.asc()).having(t.gamma).limit(7).offset(19); auto s = dynamic_select(db).dynamic_columns(all_of(t)).dynamic_flags().dynamic_from(t).extra_tables(f,t).dynamic_where().dynamic_group_by(t.alpha).dynamic_order_by().dynamic_having(t.gamma).dynamic_limit().dynamic_offset(); s.select_flags.add(sqlpp::distinct); s.selected_columns.add(f.omega); s.from.add(f); s.where.add(t.alpha > 7); s.having.add(t.alpha > 7); s.limit.set(3); s.offset.set(3); s.group_by.add(t.beta); s.order_by.add(t.beta.asc()); for (const auto& row : db(s)) { int64_t a = row.alpha; std::cout << a << std::endl; } printer.reset(); std::cerr << serialize(s, printer).str() << std::endl; printer.reset(); std::cerr << serialize(stat, printer).str() << std::endl; select(sqlpp::value(7).as(t.alpha)); return 0; }
int Remove(int, char* []) { MockDb db = {}; MockDb::_serializer_context_t printer = {}; const auto t = test::TabBar{}; const auto f = test::TabFoo{}; { using T = decltype(remove_from(t)); static_assert(sqlpp::is_regular<T>::value, "type requirement"); } { using T = decltype(remove_from(t).where(t.beta != "transparent")); static_assert(sqlpp::is_regular<T>::value, "type requirement"); } { using T = decltype(dynamic_remove_from(db, t).dynamic_using().dynamic_where()); static_assert(sqlpp::is_regular<T>::value, "type requirement"); } serialize(remove_from(t), printer).str(); serialize(remove_from(t).where(t.beta != "transparent"), printer).str(); serialize(remove_from(t).using_(t), printer).str(); serialize(remove_from(t).using_(f), printer).str(); auto r = dynamic_remove_from(db, t).dynamic_using().dynamic_where(); r.using_.add(t); r.where.add(t.beta != "transparent"); printer.reset(); std::cerr << serialize(r, printer).str() << std::endl; printer.reset(); std::cerr << serialize(remove_from(t).unconditionally(), printer).str() << std::endl; db(r); return 0; }
int DateTime(int, char*[]) { MockDb db = {}; MockDb::_serializer_context_t printer = {}; const auto t = test::TabDateTime{}; for (const auto& row : db(select(::sqlpp::value(std::chrono::system_clock::now()).as(now)))) { std::cout << row.now; } for (const auto& row : db(select(all_of(t)).from(t).unconditionally())) { std::cout << row.colDayPoint; std::cout << row.colTimePoint; const auto tp = std::chrono::system_clock::time_point{row.colTimePoint.value()}; std::cout << std::chrono::system_clock::to_time_t(tp); } printer.reset(); std::cerr << serialize(::sqlpp::value(std::chrono::system_clock::now()), printer).str() << std::endl; db(insert_into(t).set(t.colDayPoint = floor<::sqlpp::chrono::days>(std::chrono::system_clock::now()))); db(insert_into(t).set(t.colTimePoint = floor<::sqlpp::chrono::days>(std::chrono::system_clock::now()))); db(insert_into(t).set(t.colTimePoint = std::chrono::system_clock::now())); db(insert_into(t).set(t.colTimeOfDay = ::sqlpp::chrono::time_of_day(std::chrono::system_clock::now()))); db(update(t) .set(t.colDayPoint = floor<::sqlpp::chrono::days>(std::chrono::system_clock::now())) .where(t.colDayPoint < std::chrono::system_clock::now())); db(update(t) .set(t.colTimePoint = floor<::sqlpp::chrono::days>(std::chrono::system_clock::now()), t.colTimeOfDay = ::sqlpp::chrono::time_of_day(std::chrono::system_clock::now())) .where(t.colDayPoint < std::chrono::system_clock::now())); db(update(t) .set(t.colTimePoint = std::chrono::system_clock::now(), t.colTimeOfDay = ::sqlpp::chrono::time_of_day(std::chrono::system_clock::now())) .where(t.colDayPoint < std::chrono::system_clock::now())); db(remove_from(t).where(t.colDayPoint == floor<::sqlpp::chrono::days>(std::chrono::system_clock::now()))); db(remove_from(t).where(t.colDayPoint == std::chrono::system_clock::now())); db(remove_from(t).where(t.colTimePoint == floor<::sqlpp::chrono::days>(std::chrono::system_clock::now()))); db(remove_from(t).where(t.colTimePoint == std::chrono::system_clock::now())); db(remove_from(t).where(t.colTimeOfDay == ::sqlpp::chrono::time_of_day(std::chrono::system_clock::now()))); return 0; }
int Update(int, char* []) { MockDb db; MockDb::_serializer_context_t printer = {}; const auto t = test::TabBar{}; { using T = decltype(update(t)); static_assert(sqlpp::is_regular<T>::value, "type requirement"); } { using T = decltype(update(t).set(t.gamma = false).where(t.beta != "transparent")); static_assert(sqlpp::is_regular<T>::value, "type requirement"); } { using T = decltype(dynamic_update(db, t).dynamic_set(t.gamma = false).dynamic_where()); static_assert(sqlpp::is_regular<T>::value, "type requirement"); } serialize(update(t), printer).str(); serialize(update(t).set(t.gamma = false), printer).str(); serialize(update(t).set(t.gamma = false).where(t.beta != "transparent"), printer).str(); serialize(update(t).set(t.beta = "opaque").where(t.beta != t.beta + "this is nonsense"), printer).str(); auto u = dynamic_update(db, t).dynamic_set(t.gamma = false).dynamic_where(); u.assignments.add(t.beta = "cannot update gamma a second time"); u.where.add(t.gamma != false); printer.reset(); std::cerr << serialize(u, printer).str() << std::endl; db(u); db(update(t).set(t.delta = sqlpp::verbatim<sqlpp::integer>("17+4")).unconditionally()); db(update(t).set(t.delta = sqlpp::null).unconditionally()); db(update(t).set(t.delta = sqlpp::default_value).unconditionally()); db(update(t).set(t.delta += t.alpha * 2, t.beta += " and cake").unconditionally()); return 0; }
int With(int, char* []) { MockDb db; MockDb::_serializer_context_t printer = {}; const auto t = test::TabBar{}; auto x = sqlpp::cte(sqlpp::alias::x).as(select(all_of(t)).from(t)); db(with(x)(select(x.alpha).from(x).where(true))); auto y0 = sqlpp::cte(sqlpp::alias::y).as(select(all_of(t)).from(t)); auto y = y0.union_all(select(all_of(y0)).from(y0).where(false)); std::cout << serialize(y, printer).str() << std::endl; printer.reset(); std::cout << serialize(from_table(y), printer).str() << std::endl; db(with(y)(select(y.alpha).from(y).where(true))); return 0; }
int Interpret(int, char* []) { MockDb db = {}; MockDb::_serializer_context_t printer = {}; const auto f = test::TabFoo{}; const auto t = test::TabBar{}; select(t.alpha.as(t.beta)); serialize(insert_into(t).columns(t.beta, t.gamma), printer).str(); { auto i = insert_into(t).columns(t.gamma, t.beta); i.values.add(t.gamma = true, t.beta = "cheesecake"); serialize(i, printer).str(); i.values.add(t.gamma = false, t.beta = sqlpp::tvin("coffee")); i.values.add(t.gamma = false, t.beta = sqlpp::tvin(std::string())); serialize(i, printer).str(); i.values.add(t.gamma = sqlpp::default_value, t.beta = sqlpp::null); serialize(i, printer).str(); } serialize(t.alpha = sqlpp::null, printer).str(); serialize(t.alpha = sqlpp::default_value, printer).str(); serialize(t.alpha, printer).str(); serialize(-t.alpha, printer).str(); serialize(+t.alpha, printer).str(); serialize(-(t.alpha + 7), printer).str(); serialize(t.alpha = 0, printer).str(); serialize(t.alpha = sqlpp::tvin(0), printer).str(); serialize(t.alpha == 0, printer).str(); serialize(t.alpha == sqlpp::tvin(0), printer).str(); serialize(t.alpha != 0, printer).str(); serialize(t.gamma != sqlpp::tvin(false), printer).str(); serialize(t.alpha == 7, printer).str(); serialize(t.delta = sqlpp::tvin(0), printer).str(); serialize(t.beta + "kaesekuchen", printer).str(); serialize(sqlpp::select(), printer).str(); serialize(sqlpp::select().flags(sqlpp::distinct), printer).str(); serialize(select(t.alpha, t.beta).flags(sqlpp::distinct), printer).str(); serialize(select(t.alpha, t.beta), printer).str(); serialize(select(t.alpha, t.beta).from(t), printer).str(); serialize(select(t.alpha, t.beta).from(t).where(t.alpha == 3), printer).str(); serialize(select(t.alpha, t.beta).from(t).where(t.alpha == 3).group_by(t.gamma), printer).str(); serialize(select(t.alpha, t.beta).from(t).where(t.alpha == 3).group_by(t.gamma).having(t.beta.like("%kuchen")), printer).str(); serialize(select(t.alpha, t.beta) .from(t) .where(t.alpha == 3) .group_by(t.gamma) .having(t.beta.like("%kuchen")) .order_by(t.beta.asc()), printer).str(); serialize(select(t.alpha, t.beta) .from(t) .where(t.alpha == 3) .group_by(t.gamma) .having(t.beta.like("%kuchen")) .order_by(t.beta.asc()) .limit(17) .offset(3), printer).str(); serialize(parameter(sqlpp::bigint(), t.alpha), printer).str(); serialize(parameter(t.alpha), printer).str(); serialize(t.alpha == parameter(t.alpha), printer).str(); serialize(t.alpha == parameter(t.alpha) and (t.beta + "gimmick").like(parameter(t.beta)), printer).str(); serialize(insert_into(t), printer).str(); serialize(insert_into(f).default_values(), printer).str(); serialize(insert_into(t).set(t.gamma = true), printer).str(); // serialize(insert_into(t).set(t.gamma = sqlpp::tvin(false)), printer).str(); cannot test this since gamma cannot be // null and a static assert is thrown serialize(update(t), printer).str(); serialize(update(t).set(t.gamma = true), printer).str(); serialize(update(t).set(t.gamma = true).where(t.beta.in("kaesekuchen", "cheesecake")), printer).str(); serialize(update(t).set(t.gamma = true).where(t.beta.in()), printer).str(); serialize(remove_from(t), printer).str(); serialize(remove_from(t).using_(t), printer).str(); serialize(remove_from(t).where(t.alpha == sqlpp::tvin(0)), printer).str(); serialize(remove_from(t).using_(t).where(t.alpha == sqlpp::tvin(0)), printer).str(); // functions serialize(sqlpp::value(7), printer).str(); serialize(sqlpp::verbatim<sqlpp::integral>("irgendwas integrales"), printer).str(); serialize(sqlpp::value_list(std::vector<int>({1, 2, 3, 4, 5, 6, 8})), printer).str(); serialize(exists(select(t.alpha).from(t)), printer).str(); serialize(any(select(t.alpha).from(t)), printer).str(); serialize(some(select(t.alpha).from(t)), printer).str(); serialize(count(t.alpha), printer).str(); serialize(min(t.alpha), printer).str(); serialize(max(t.alpha), printer).str(); serialize(avg(t.alpha), printer).str(); serialize(sum(t.alpha), printer).str(); serialize(sqlpp::verbatim_table("whatever"), printer).str(); // alias serialize(t.as(t.alpha), printer).str(); serialize(t.as(t.alpha).beta, printer).str(); // select alias serialize(select(t.alpha).from(t).where(t.beta > "kaesekuchen").as(t.gamma), printer).str(); serialize(t.alpha.is_null(), printer).str(); // join serialize(t.inner_join(t.as(t.alpha)).on(t.beta == t.as(t.alpha).beta), printer).str(); { auto inner = t.inner_join(t.as(t.alpha)).on(t.beta == t.as(t.alpha).beta); serialize(select(t.alpha).from(inner), printer).str(); } // multi_column serialize(multi_column(t.alpha, (t.beta + "cake").as(t.gamma)).as(t.alpha), printer).str(); serialize(multi_column(all_of(t)).as(t), printer).str(); serialize(all_of(t).as(t), printer).str(); // dynamic select { auto s = dynamic_select(db).dynamic_flags().dynamic_columns().from(t); s.selected_columns.add(t.beta); s.selected_columns.add(t.gamma); serialize(s, printer).str(); } { auto s = dynamic_select(db).dynamic_flags().dynamic_columns().from(t); s.select_flags.add(sqlpp::distinct); s.selected_columns.add(t.beta); s.selected_columns.add(t.gamma); serialize(s, printer).str(); } { // Behold, dynamically constructed queries might compile but be illegal SQL auto s = dynamic_select(db).dynamic_flags(sqlpp::distinct).dynamic_columns(t.alpha); s.select_flags.add(sqlpp::all); s.selected_columns.add(without_table_check(t.beta)); s.selected_columns.add(without_table_check(t.gamma)); serialize(s, printer).str(); } // distinct aggregate serialize(count(sqlpp::distinct, t.alpha % 7), printer).str(); serialize(avg(sqlpp::distinct, t.alpha - 7), printer).str(); serialize(sum(sqlpp::distinct, t.alpha + 7), printer).str(); serialize(select(all_of(t)).from(t).unconditionally(), printer).str(); for (const auto& row : db(select(all_of(t)).from(t).unconditionally())) { serialize(row.alpha, printer); serialize(row.beta, printer); serialize(row.gamma, printer); } get_sql_name(t); get_sql_name(t.alpha); flatten(t.alpha == 7, db); auto x = boolean_expression(db, t.alpha == 7); x = sqlpp::boolean_expression<MockDb>(t.beta.like("%cheesecake")); x = x and boolean_expression(db, t.gamma); std::cerr << "----------------------------" << std::endl; printer.reset(); std::cerr << serialize(x, printer).str() << std::endl; printer.reset(); std::cerr << serialize(select(all_of(t)).from(t).where(t.alpha.in(select(f.epsilon).from(f).unconditionally())), printer).str() << std::endl; printer.reset(); std::cerr << serialize(select(all_of(t)).from(t).where(t.alpha.in()), printer).str() << std::endl; printer.reset(); std::cerr << serialize(select(all_of(t)).from(t).where(t.alpha.not_in()), printer).str() << std::endl; auto schema = db.attach("lorem"); auto s = schema_qualified_table(schema, t).as(sqlpp::alias::x); printer.reset(); std::cerr << serialize(select(all_of(s)).from(s).unconditionally(), printer).str() << std::endl; printer.reset(); std::cerr << serialize(sqlpp::case_when(true).then(t.alpha).else_(t.alpha + 1).as(t.beta), printer).str() << std::endl; return 0; }