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/*
* Copyright (c) 2013-2016, 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 "is_regular.h"
#include <iostream>
#include <sqlpp11/alias_provider.h>
#include <sqlpp11/connection.h>
#include <sqlpp11/functions.h>
#include <sqlpp11/select.h>
#include <sqlpp11/without_table_check.h>
template <typename Db, typename Column>
int64_t getColumn(Db&& db, const Column& column)
{
auto result = db(select(column.as(sqlpp::alias::a)).from(column.table()).unconditionally());
if (not result.empty())
return result.front().a;
else
return 0;
}
struct to_cerr
{
template <typename Field>
auto operator()(const Field& field) const -> void
{
std::cerr << get_sql_name(field) << " = " << field << std::endl;
}
};
int Select(int, char* [])
{
MockDb db = {};
MockDb::_serializer_context_t printer = {};
const auto f = test::TabFoo{};
const auto t = test::TabBar{};
const auto tab_a = f.as(sqlpp::alias::a);
getColumn(db, t.alpha);
select(count(t.alpha));
for (const auto& row : db(select(sqlpp::value(false).as(sqlpp::alias::a))))
{
std::cout << row.a << std::endl;
}
for (const auto& row : db(select(all_of(t)).from(t).unconditionally()))
{
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).unconditionally()))
{
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)).unconditionally()))
{
std::cout << row.alpha << std::endl;
}
for (const auto& row : db(select(all_of(t), all_of(f))
.from(t.join(f).on(t.alpha > f.omega).join(tab_a).on(t.alpha == tab_a.omega))
.unconditionally()))
{
std::cout << row.alpha << std::endl;
}
for (const auto& row : db(select(count(t.alpha), avg(t.alpha)).from(t).unconditionally()))
{
std::cout << row.count << std::endl;
}
for (const auto& row : db(select(count(t.alpha), avg(t.alpha)).from(t).where(t.alpha == sqlpp::tvin(0))))
{
std::cout << row.count << std::endl;
}
auto stat = sqlpp::select()
.columns(all_of(t))
.flags(sqlpp::all)
.from(t)
.where(t.alpha > 0)
.group_by(t.alpha)
.order_by(t.gamma.asc())
.having(t.gamma)
.offset(19u)
.limit(7u);
printer.reset();
std::cerr << serialize(stat, printer).str() << std::endl;
auto s0 = dynamic_select(db)
.columns(all_of(t))
.flags(sqlpp::all)
.from(t)
.where(t.alpha > 0)
.group_by(t.alpha)
.order_by(t.gamma.asc())
.having(t.gamma)
.limit(7u)
.offset(19u);
printer.reset();
std::cerr << serialize(s0, printer).str() << std::endl;
auto s = dynamic_select(db)
.dynamic_columns(all_of(t))
.dynamic_flags()
.dynamic_from(t)
.dynamic_where()
.dynamic_group_by(t.alpha)
.dynamic_order_by()
.dynamic_having(sum(t.alpha) > 17)
.dynamic_limit()
.dynamic_offset();
s.select_flags.add(sqlpp::distinct);
s.selected_columns.add(without_table_check(f.omega));
s.from.add(dynamic_cross_join(f));
s.where.add(t.alpha > 7);
s.having.add(t.alpha > 7);
s.limit.set(3u);
s.offset.set(3u);
s.group_by.add(t.beta);
s.order_by.add(t.beta.asc());
s.order_by.add(t.delta.order(sqlpp::sort_type::desc));
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;
select(sqlpp::value(7).as(t.alpha));
for (const auto& row :
db(select(sqlpp::case_when(true).then(sqlpp::null).else_(sqlpp::null).as(t.beta)).from(t).unconditionally()))
{
std::cerr << row.beta << std::endl;
}
for (const auto& row : db(select(all_of(t)).from(t).unconditionally()))
{
for_each_field(row, to_cerr{});
}
return 0;
}