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