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mirror of https://github.com/rbock/sqlpp11.git synced 2024-12-24 23:01:04 +08:00
2017-10-16 20:42:29 +02:00

56 lines
2.6 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 "compare.h"
#include "Sample.h"
#include <sqlpp11/sqlpp11.h>
#include <iostream>
SQLPP_ALIAS_PROVIDER(cheese)
int As(int, char* [])
{
const auto foo = test::TabFoo{};
const auto bar = test::TabBar{};
compare(__LINE__, foo.omega.as(cheese), "tab_foo.omega AS cheese");
compare(__LINE__, (foo.omega + 17).as(cheese), "(tab_foo.omega+17) AS cheese");
compare(__LINE__, (foo.omega - 17).as(cheese), "(tab_foo.omega-17) AS cheese");
compare(__LINE__, (foo.omega - uint32_t(17)).as(cheese), "(tab_foo.omega-17) AS cheese");
compare(__LINE__, (foo.omega - bar.alpha).as(cheese), "(tab_foo.omega-tab_bar.alpha) AS cheese");
compare(__LINE__, (count(foo.omega) - bar.alpha).as(cheese), "(COUNT(tab_foo.omega)-tab_bar.alpha) AS cheese");
compare(__LINE__, (count(foo.omega) - uint32_t(17)).as(cheese), "(COUNT(tab_foo.omega)-17) AS cheese");
// Auto alias
compare(__LINE__, select(max(bar.alpha)), "SELECT MAX(tab_bar.alpha) AS max_");
compare(__LINE__, select(max(bar.alpha).as(cheese)), "SELECT MAX(tab_bar.alpha) AS cheese");
compare(__LINE__, select(max(bar.alpha)).from(bar).unconditionally().as(cheese),
"(SELECT MAX(tab_bar.alpha) AS max_ FROM tab_bar) AS cheese");
compare(__LINE__, select(max(bar.alpha)).from(bar).unconditionally().as(cheese).max, "cheese.max_");
return 0;
}