mirror of
https://github.com/rbock/sqlpp11.git
synced 2024-11-16 12:51:13 +08:00
168 lines
7.4 KiB
C++
168 lines
7.4 KiB
C++
/*
|
|
* Copyright (c) 2015-2016, Roland Bock
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <iostream>
|
|
#include "MockDb.h"
|
|
#include "Sample.h"
|
|
#include <sqlpp11/sqlpp11.h>
|
|
|
|
namespace
|
|
{
|
|
constexpr auto t = test::TabBar{};
|
|
constexpr auto f = test::TabFoo{};
|
|
|
|
template <typename T>
|
|
void print_type_on_error(std::true_type)
|
|
{
|
|
}
|
|
|
|
template <typename T>
|
|
void print_type_on_error(std::false_type)
|
|
{
|
|
T::_print_me_;
|
|
}
|
|
|
|
template <typename Assert, typename Lhs, typename Rhs>
|
|
void join_static_check(const Lhs& lhs, const Rhs& rhs)
|
|
{
|
|
using CheckResult = sqlpp::check_cross_join_t<Lhs, Rhs>;
|
|
using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
|
|
print_type_on_error<CheckResult>(ExpectedCheckResult{});
|
|
static_assert(ExpectedCheckResult::value, "Unexpected check result");
|
|
|
|
using JoinType = decltype(join(lhs, rhs));
|
|
using InnerJoinType = decltype(inner_join(lhs, rhs));
|
|
using LeftOuterJoinType = decltype(left_outer_join(lhs, rhs));
|
|
using RightOuterJoinType = decltype(right_outer_join(lhs, rhs));
|
|
using OuterJoinType = decltype(outer_join(lhs, rhs));
|
|
using ExpectedReturnType =
|
|
sqlpp::logic::all_t<Assert::value xor (std::is_same<JoinType, sqlpp::bad_statement>::value and
|
|
std::is_same<InnerJoinType, sqlpp::bad_statement>::value and
|
|
std::is_same<LeftOuterJoinType, sqlpp::bad_statement>::value and
|
|
std::is_same<RightOuterJoinType, sqlpp::bad_statement>::value and
|
|
std::is_same<OuterJoinType, sqlpp::bad_statement>::value)>;
|
|
print_type_on_error<JoinType>(ExpectedReturnType{});
|
|
print_type_on_error<InnerJoinType>(ExpectedReturnType{});
|
|
print_type_on_error<LeftOuterJoinType>(ExpectedReturnType{});
|
|
print_type_on_error<RightOuterJoinType>(ExpectedReturnType{});
|
|
print_type_on_error<OuterJoinType>(ExpectedReturnType{});
|
|
static_assert(ExpectedReturnType::value, "Unexpected return type");
|
|
}
|
|
|
|
/*
|
|
template <typename Assert, typename Expression>
|
|
void join_dynamic_check(const Expression& expression)
|
|
{
|
|
static auto db = MockDb{};
|
|
using CheckResult = sqlpp::check_join_dynamic_t<decltype(db), Expression>;
|
|
using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
|
|
print_type_on_error<CheckResult>(ExpectedCheckResult{});
|
|
static_assert(ExpectedCheckResult::value, "Unexpected check result");
|
|
|
|
using ReturnType = decltype(dynamic_select(db, t.alpha).dynamic_join(expression));
|
|
using ExpectedReturnType =
|
|
sqlpp::logic::all_t<Assert::value xor std::is_same<ReturnType, sqlpp::bad_statement>::value>;
|
|
print_type_on_error<ReturnType>(ExpectedReturnType{});
|
|
static_assert(ExpectedReturnType::value, "Unexpected return type");
|
|
}
|
|
*/
|
|
|
|
void static_join()
|
|
{
|
|
// OK: Join two different tables
|
|
join_static_check<sqlpp::consistent_t>(t, f);
|
|
join_static_check<sqlpp::consistent_t>(t, f.as(sqlpp::alias::a));
|
|
join_static_check<sqlpp::consistent_t>(t.as(sqlpp::alias::a), f.as(sqlpp::alias::b));
|
|
|
|
// OK: Self join
|
|
join_static_check<sqlpp::consistent_t>(t.as(sqlpp::alias::a), t.as(sqlpp::alias::b));
|
|
join_static_check<sqlpp::consistent_t>(t, t.as(sqlpp::alias::b));
|
|
join_static_check<sqlpp::consistent_t>(t.as(sqlpp::alias::a), t);
|
|
|
|
// Prepare a join for tests:
|
|
const auto j = join(t.as(sqlpp::alias::a), t.as(sqlpp::alias::b)).unconditionally();
|
|
|
|
// OK: Add a third table
|
|
join_static_check<sqlpp::consistent_t>(j, f);
|
|
join_static_check<sqlpp::consistent_t>(j, t.as(sqlpp::alias::c));
|
|
join_static_check<sqlpp::consistent_t>(j, t);
|
|
|
|
// Try a bunch of non-tables
|
|
join_static_check<sqlpp::assert_cross_join_rhs_table_t>(t, 7);
|
|
join_static_check<sqlpp::assert_cross_join_rhs_table_t>(t, t.alpha);
|
|
join_static_check<sqlpp::assert_cross_join_rhs_table_t>(t, t.beta);
|
|
join_static_check<sqlpp::assert_cross_join_rhs_table_t>(t, t.gamma);
|
|
join_static_check<sqlpp::assert_cross_join_rhs_table_t>(t, t.delta);
|
|
|
|
join_static_check<sqlpp::assert_cross_join_lhs_table_t>(7, t);
|
|
join_static_check<sqlpp::assert_cross_join_lhs_table_t>(t.alpha, t);
|
|
join_static_check<sqlpp::assert_cross_join_lhs_table_t>(t.beta, t);
|
|
join_static_check<sqlpp::assert_cross_join_lhs_table_t>(t.gamma, t);
|
|
join_static_check<sqlpp::assert_cross_join_lhs_table_t>(t.delta, t);
|
|
|
|
// Try to join with join (rhs)
|
|
join_static_check<sqlpp::assert_cross_join_rhs_no_join_t>(t, j);
|
|
join_static_check<sqlpp::assert_cross_join_rhs_no_join_t>(f, j);
|
|
join_static_check<sqlpp::assert_cross_join_rhs_no_join_t>(t.as(sqlpp::alias::left), j);
|
|
|
|
// Try to join identical table names
|
|
join_static_check<sqlpp::assert_cross_join_unique_names_t>(t, t);
|
|
join_static_check<sqlpp::assert_cross_join_unique_names_t>(f, f);
|
|
join_static_check<sqlpp::assert_cross_join_unique_names_t>(t.as(f), f);
|
|
join_static_check<sqlpp::assert_cross_join_unique_names_t>(t, f.as(t));
|
|
join_static_check<sqlpp::assert_cross_join_unique_names_t>(t.as(sqlpp::alias::a), f.as(sqlpp::alias::a));
|
|
join_static_check<sqlpp::assert_cross_join_unique_names_t>(j, f.as(sqlpp::alias::a));
|
|
join_static_check<sqlpp::assert_cross_join_unique_names_t>(j, f.as(sqlpp::alias::b));
|
|
join_static_check<sqlpp::assert_cross_join_unique_names_t>(j, t.as(sqlpp::alias::a));
|
|
join_static_check<sqlpp::assert_cross_join_unique_names_t>(j, t.as(sqlpp::alias::b));
|
|
}
|
|
|
|
void dynamic_join()
|
|
{
|
|
/*
|
|
// OK
|
|
join_dynamic_check<sqlpp::consistent_t>(t);
|
|
join_dynamic_check<sqlpp::consistent_t>(t.join(f).unconditionally());
|
|
join_dynamic_check<sqlpp::consistent_t>(t.join(f).on(t.alpha > f.omega));
|
|
|
|
// Try a bunch of non-tables
|
|
join_dynamic_check<sqlpp::assert_join_table_t>(7);
|
|
join_dynamic_check<sqlpp::assert_join_table_t>(t.alpha);
|
|
join_dynamic_check<sqlpp::assert_join_table_t>(t.beta);
|
|
join_dynamic_check<sqlpp::assert_join_table_t>(t.gamma);
|
|
join_dynamic_check<sqlpp::assert_join_table_t>(t.delta);
|
|
|
|
// Try cross joins (missing condition)
|
|
join_dynamic_check<sqlpp::assert_join_not_cross_join_t>(t.join(f));
|
|
*/
|
|
}
|
|
}
|
|
|
|
int main(int, char* [])
|
|
{
|
|
static_join();
|
|
dynamic_join();
|
|
}
|