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120 lines
3.9 KiB
C++
120 lines
3.9 KiB
C++
/*
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* Copyright (c) 2013-2015, Roland Bock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <iostream>
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#include "Sample.h"
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#include "MockDb.h"
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#include "is_regular.h"
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#include <sqlpp11/alias_provider.h>
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#include <sqlpp11/select.h>
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#include <sqlpp11/functions.h>
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#include <sqlpp11/connection.h>
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template<typename Db, typename Column>
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int64_t getColumn(Db&& db, const Column& column)
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{
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auto result = db(select(column.as(sqlpp::alias::a)).from(column.table()).where(true));
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if (not result.empty())
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return result.front().a;
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else
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return 0;
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}
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int main()
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{
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MockDb db = {};
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MockDb::_serializer_context_t printer;
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test::TabFoo f;
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test::TabBar t;
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getColumn(db, t.alpha);
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for (const auto& row : db(select(all_of(t)).from(t).where(true)))
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{
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int64_t a = row.alpha;
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const std::string b = row.beta;
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std::cout << a << ", " << b << std::endl;
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}
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for (const auto& row : db(select(all_of(t).as(t)).from(t).where(true)))
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{
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int64_t a = row.tabBar.alpha;
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const std::string b = row.tabBar.beta;
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std::cout << a << ", " << b << std::endl;
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}
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for (const auto& row : db(select(all_of(t).as(t), t.gamma).from(t).where(t.alpha > 7)))
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{
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int64_t a = row.tabBar.alpha;
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const std::string b = row.tabBar.beta;
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const bool g = row.gamma;
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std::cout << a << ", " << b << ", " << g << std::endl;
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}
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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)))
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{
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std::cout << row.alpha << std::endl;
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}
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for (const auto& row : db(select(count(t.alpha), avg(t.alpha)).from(t).where(true)))
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{
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std::cout << row.count << std::endl;
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}
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for (const auto& row : db(select(count(t.alpha), avg(t.alpha)).from(t).where(t.alpha == sqlpp::tvin(0))))
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{
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std::cout << row.count << std::endl;
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}
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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);
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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();
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s.select_flags.add(sqlpp::distinct);
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s.selected_columns.add(f.omega);
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s.from.add(f);
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s.where.add(t.alpha > 7);
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s.having.add(t.alpha > 7);
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s.limit.set(3);
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s.offset.set(3);
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s.group_by.add(t.beta);
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s.order_by.add(t.beta.asc());
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for (const auto& row : db(s))
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{
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int64_t a = row.alpha;
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std::cout << a << std::endl;
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}
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printer.reset();
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std::cerr << serialize(s, printer).str() << std::endl;
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printer.reset();
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std::cerr << serialize(stat, printer).str() << std::endl;
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select(sqlpp::value(7).as(t.alpha));
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return 0;
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}
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