mirror of
https://github.com/rbock/sqlpp11.git
synced 2024-12-27 08:31:06 +08:00
280 lines
13 KiB
C++
280 lines
13 KiB
C++
/*
|
|
* Copyright (c) 2016-2016, 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 "MockDb.h"
|
|
#include "Sample.h"
|
|
#include <iostream>
|
|
#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_pre_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(sqlpp::join(lhs, rhs));
|
|
using InnerJoinType = decltype(sqlpp::inner_join(lhs, rhs));
|
|
using LeftOuterJoinType = decltype(sqlpp::left_outer_join(lhs, rhs));
|
|
using RightOuterJoinType = decltype(sqlpp::right_outer_join(lhs, rhs));
|
|
using OuterJoinType = decltype(sqlpp::outer_join(lhs, rhs));
|
|
using CrossJoinType = decltype(sqlpp::cross_join(lhs, rhs));
|
|
using ExpectedReturnType = sqlpp::logic::all_t<
|
|
(Assert::value and sqlpp::is_pre_join_t<JoinType>::value and sqlpp::is_pre_join_t<InnerJoinType>::value and
|
|
sqlpp::is_pre_join_t<LeftOuterJoinType>::value and sqlpp::is_pre_join_t<RightOuterJoinType>::value and
|
|
sqlpp::is_pre_join_t<OuterJoinType>::value and sqlpp::is_join_t<CrossJoinType>::value) xor
|
|
(std::is_same<JoinType, Assert>::value and std::is_same<InnerJoinType, Assert>::value and
|
|
std::is_same<LeftOuterJoinType, Assert>::value and std::is_same<RightOuterJoinType, Assert>::value and
|
|
std::is_same<OuterJoinType, Assert>::value and std::is_same<CrossJoinType, Assert>::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{});
|
|
print_type_on_error<CrossJoinType>(ExpectedReturnType{});
|
|
static_assert(ExpectedReturnType::value, "Unexpected return type");
|
|
}
|
|
|
|
template <typename Assert, typename Lhs, typename Rhs>
|
|
void on_static_check(const Lhs& lhs, const Rhs& rhs)
|
|
{
|
|
using CheckResult = sqlpp::check_join_on_t<Lhs, Rhs>;
|
|
using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
|
|
print_type_on_error<CheckResult>(ExpectedCheckResult{});
|
|
static_assert(ExpectedCheckResult::value, "Unexpected check result");
|
|
|
|
using ResultType = decltype(lhs.on(rhs));
|
|
using ExpectedReturnType = sqlpp::logic::all_t<(Assert::value and sqlpp::is_join_t<ResultType>::value) xor
|
|
std::is_same<ResultType, Assert>::value>;
|
|
print_type_on_error<ResultType>(ExpectedReturnType{});
|
|
static_assert(ExpectedReturnType::value, "Unexpected return type");
|
|
}
|
|
|
|
void static_join()
|
|
{
|
|
// Prepare a few table aliases for tests
|
|
const auto ta = t.as(sqlpp::alias::a);
|
|
const auto tb = t.as(sqlpp::alias::b);
|
|
const auto fa = f.as(sqlpp::alias::a);
|
|
const auto fb = f.as(sqlpp::alias::b);
|
|
|
|
// OK: Join two different tables
|
|
join_static_check<sqlpp::consistent_t>(t, f);
|
|
join_static_check<sqlpp::consistent_t>(t, fa);
|
|
join_static_check<sqlpp::consistent_t>(ta, fb);
|
|
|
|
// OK: Self join
|
|
join_static_check<sqlpp::consistent_t>(ta, tb);
|
|
join_static_check<sqlpp::consistent_t>(t, tb);
|
|
join_static_check<sqlpp::consistent_t>(ta, t);
|
|
|
|
// Prepare a join for tests:
|
|
const auto j = cross_join(ta, tb);
|
|
|
|
// 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_pre_join_rhs_table_t>(t, 7);
|
|
join_static_check<sqlpp::assert_pre_join_rhs_table_t>(t, t.alpha);
|
|
join_static_check<sqlpp::assert_pre_join_rhs_table_t>(t, t.beta);
|
|
join_static_check<sqlpp::assert_pre_join_rhs_table_t>(t, t.gamma);
|
|
join_static_check<sqlpp::assert_pre_join_rhs_table_t>(t, t.delta);
|
|
|
|
join_static_check<sqlpp::assert_pre_join_lhs_table_t>(7, t);
|
|
join_static_check<sqlpp::assert_pre_join_lhs_table_t>(t.alpha, t);
|
|
join_static_check<sqlpp::assert_pre_join_lhs_table_t>(t.beta, t);
|
|
join_static_check<sqlpp::assert_pre_join_lhs_table_t>(t.gamma, t);
|
|
join_static_check<sqlpp::assert_pre_join_lhs_table_t>(t.delta, t);
|
|
|
|
// Try to join with join (rhs)
|
|
join_static_check<sqlpp::assert_pre_join_rhs_no_join_t>(t, j);
|
|
join_static_check<sqlpp::assert_pre_join_rhs_no_join_t>(f, j);
|
|
join_static_check<sqlpp::assert_pre_join_rhs_no_join_t>(t.as(sqlpp::alias::left), j);
|
|
|
|
// Try to join identical table names
|
|
join_static_check<sqlpp::assert_pre_join_unique_names_t>(t, t);
|
|
join_static_check<sqlpp::assert_pre_join_unique_names_t>(f, f);
|
|
join_static_check<sqlpp::assert_pre_join_unique_names_t>(t.as(f), f);
|
|
join_static_check<sqlpp::assert_pre_join_unique_names_t>(t, f.as(t));
|
|
join_static_check<sqlpp::assert_pre_join_unique_names_t>(ta, fa);
|
|
join_static_check<sqlpp::assert_pre_join_unique_names_t>(j, fa);
|
|
join_static_check<sqlpp::assert_pre_join_unique_names_t>(j, fb);
|
|
join_static_check<sqlpp::assert_pre_join_unique_names_t>(j, ta);
|
|
join_static_check<sqlpp::assert_pre_join_unique_names_t>(j, tb);
|
|
|
|
// Prepare a pre_joins for tests:
|
|
const auto t_f = join(t, f);
|
|
const auto f_t = join(f, t);
|
|
const auto t_t = join(ta, tb);
|
|
const auto f_f = join(fa, fb);
|
|
|
|
// OK join.on()
|
|
on_static_check<sqlpp::consistent_t>(t_f, t.alpha > f.omega);
|
|
on_static_check<sqlpp::consistent_t>(f_t, t.alpha < f.omega);
|
|
on_static_check<sqlpp::consistent_t>(f_f, fa.omega == fb.omega);
|
|
on_static_check<sqlpp::consistent_t>(t_t, ta.alpha == tb.alpha);
|
|
on_static_check<sqlpp::consistent_t>(t_f, t.gamma);
|
|
|
|
// Try join.on(non-expression)
|
|
on_static_check<sqlpp::assert_on_is_expression_t>(t_f, true);
|
|
on_static_check<sqlpp::assert_on_is_expression_t>(t_f, 7);
|
|
on_static_check<sqlpp::assert_on_is_expression_t>(t_f, t);
|
|
|
|
// Try join.on(non-boolean)
|
|
on_static_check<sqlpp::assert_on_is_boolean_expression_t>(t_f, t.alpha);
|
|
on_static_check<sqlpp::assert_on_is_boolean_expression_t>(t_f, t.beta);
|
|
on_static_check<sqlpp::assert_on_is_boolean_expression_t>(t_f, f.omega);
|
|
|
|
// Try join.on(foreign-table)
|
|
on_static_check<sqlpp::assert_join_on_no_foreign_table_dependencies_t>(t_f, ta.alpha != 0);
|
|
on_static_check<sqlpp::assert_join_on_no_foreign_table_dependencies_t>(t_t, t.gamma);
|
|
on_static_check<sqlpp::assert_join_on_no_foreign_table_dependencies_t>(f_f, f.omega > fa.omega);
|
|
}
|
|
|
|
template <typename Assert, typename Table>
|
|
void join_dynamic_check(const Table& table)
|
|
{
|
|
using CheckResult = sqlpp::check_dynamic_pre_join_t<Table>;
|
|
using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
|
|
print_type_on_error<CheckResult>(ExpectedCheckResult{});
|
|
static_assert(ExpectedCheckResult::value, "Unexpected check result");
|
|
|
|
using JoinType = decltype(sqlpp::dynamic_join(table));
|
|
using InnerJoinType = decltype(sqlpp::dynamic_inner_join(table));
|
|
using LeftOuterJoinType = decltype(sqlpp::dynamic_left_outer_join(table));
|
|
using RightOuterJoinType = decltype(sqlpp::dynamic_right_outer_join(table));
|
|
using OuterJoinType = decltype(sqlpp::dynamic_outer_join(table));
|
|
using CrossJoinType = decltype(sqlpp::dynamic_cross_join(table));
|
|
using ExpectedReturnType = sqlpp::logic::all_t<
|
|
(Assert::value and sqlpp::is_dynamic_pre_join_t<JoinType>::value and
|
|
sqlpp::is_dynamic_pre_join_t<InnerJoinType>::value and
|
|
sqlpp::is_dynamic_pre_join_t<LeftOuterJoinType>::value and
|
|
sqlpp::is_dynamic_pre_join_t<RightOuterJoinType>::value and
|
|
sqlpp::is_dynamic_pre_join_t<OuterJoinType>::value and sqlpp::is_dynamic_join_t<CrossJoinType>::value) xor
|
|
(std::is_same<JoinType, Assert>::value and std::is_same<InnerJoinType, Assert>::value and
|
|
std::is_same<LeftOuterJoinType, Assert>::value and std::is_same<RightOuterJoinType, Assert>::value and
|
|
std::is_same<OuterJoinType, Assert>::value and std::is_same<CrossJoinType, Assert>::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{});
|
|
print_type_on_error<CrossJoinType>(ExpectedReturnType{});
|
|
static_assert(ExpectedReturnType::value, "Unexpected return type");
|
|
}
|
|
|
|
template <typename Assert, typename Lhs, typename Rhs>
|
|
void on_dynamic_check(const Lhs& lhs, const Rhs& rhs)
|
|
{
|
|
using CheckResult = sqlpp::check_dynamic_join_on_t<Lhs, Rhs>;
|
|
using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
|
|
print_type_on_error<CheckResult>(ExpectedCheckResult{});
|
|
static_assert(ExpectedCheckResult::value, "Unexpected check result");
|
|
|
|
using ResultType = decltype(lhs.on(rhs));
|
|
using ExpectedReturnType = sqlpp::logic::all_t<(Assert::value and sqlpp::is_dynamic_join_t<ResultType>::value) xor
|
|
std::is_same<ResultType, Assert>::value>;
|
|
print_type_on_error<ResultType>(ExpectedReturnType{});
|
|
static_assert(ExpectedReturnType::value, "Unexpected return type");
|
|
}
|
|
|
|
void dynamic_join()
|
|
{
|
|
// Prepare a few table aliases for tests
|
|
const auto ta = t.as(sqlpp::alias::a);
|
|
const auto fa = f.as(sqlpp::alias::a);
|
|
|
|
// OK
|
|
join_dynamic_check<sqlpp::consistent_t>(t);
|
|
join_dynamic_check<sqlpp::consistent_t>(f);
|
|
join_dynamic_check<sqlpp::consistent_t>(ta);
|
|
join_dynamic_check<sqlpp::consistent_t>(fa);
|
|
join_dynamic_check<sqlpp::consistent_t>(sqlpp::verbatim_table("tab_sample"));
|
|
join_dynamic_check<sqlpp::consistent_t>(sqlpp::verbatim_table("tab_sample").as(sqlpp::alias::a));
|
|
|
|
// Try a bunch of non-tables
|
|
join_dynamic_check<sqlpp::assert_dynamic_pre_join_table_t>(7);
|
|
join_dynamic_check<sqlpp::assert_dynamic_pre_join_table_t>(t.alpha);
|
|
join_dynamic_check<sqlpp::assert_dynamic_pre_join_table_t>(t.beta);
|
|
join_dynamic_check<sqlpp::assert_dynamic_pre_join_table_t>(t.gamma);
|
|
join_dynamic_check<sqlpp::assert_dynamic_pre_join_table_t>(t.delta);
|
|
|
|
// Try (pre) joins
|
|
join_dynamic_check<sqlpp::assert_dynamic_pre_join_table_t>(t.join(f));
|
|
join_dynamic_check<sqlpp::assert_dynamic_pre_join_no_join_t>(t.cross_join(f));
|
|
|
|
// Prepare a dynamic_pre_joins for tests:
|
|
const auto tj = dynamic_join(t);
|
|
const auto fj = dynamic_join(f);
|
|
const auto vj = dynamic_join(sqlpp::verbatim_table("tab_sample"));
|
|
|
|
// OK dynamic_join.on()
|
|
on_dynamic_check<sqlpp::consistent_t>(tj, t.alpha > f.omega);
|
|
on_dynamic_check<sqlpp::consistent_t>(fj, t.alpha < f.omega);
|
|
|
|
// Try dynamic_join.on(non-expression)
|
|
on_dynamic_check<sqlpp::assert_on_is_expression_t>(tj, true);
|
|
on_dynamic_check<sqlpp::assert_on_is_expression_t>(tj, 7);
|
|
on_dynamic_check<sqlpp::assert_on_is_expression_t>(tj, t);
|
|
|
|
// Try dynamic_join.on(non-boolean)
|
|
on_dynamic_check<sqlpp::assert_on_is_boolean_expression_t>(tj, t.alpha);
|
|
on_dynamic_check<sqlpp::assert_on_is_boolean_expression_t>(tj, t.beta);
|
|
on_dynamic_check<sqlpp::assert_on_is_boolean_expression_t>(tj, f.omega);
|
|
|
|
// OK dynamic_join.on(foreign-table)
|
|
on_dynamic_check<sqlpp::consistent_t>(tj, ta.alpha != 0);
|
|
on_dynamic_check<sqlpp::consistent_t>(tj, t.gamma);
|
|
on_dynamic_check<sqlpp::consistent_t>(tj, f.omega > fa.omega);
|
|
on_dynamic_check<sqlpp::consistent_t>(vj, t.alpha < f.omega);
|
|
}
|
|
}
|
|
|
|
int main(int, char* [])
|
|
{
|
|
static_join();
|
|
dynamic_join();
|
|
}
|