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sqlpp11/tests/core/serialize/Count.cpp

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/*
* Copyright (c) 2023-2023, 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 "Sample.h"
#include "compare.h"
#include <sqlpp11/sqlpp11.h>
int Count(int, char* [])
{
const auto bar = test::TabBar{};
// Single column.
compare(__LINE__, count(bar.alpha), "COUNT(tab_bar.alpha)");
compare(__LINE__, count(sqlpp::distinct, bar.alpha), "COUNT(DISTINCT tab_bar.alpha)");
// Expression.
// Note that the inner parens aren't necessary.
compare(__LINE__, count(bar.alpha + 7), "COUNT((tab_bar.alpha+7))");
compare(__LINE__, count(sqlpp::distinct, bar.alpha + 7), "COUNT(DISTINCT (tab_bar.alpha+7))");
// With sub select.
compare(__LINE__, count(select(sqlpp::value(7).as(sqlpp::alias::a))), "COUNT((SELECT 7 AS a))");
compare(__LINE__, count(sqlpp::distinct, select(sqlpp::value(7).as(sqlpp::alias::a))), "COUNT(DISTINCT (SELECT 7 AS a))");
return 0;
}