/* * 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 int Max(int, char* []) { const auto bar = test::TabBar{}; // Single column. compare(__LINE__, max(bar.alpha), "MAX(tab_bar.alpha)"); compare(__LINE__, max(sqlpp::distinct, bar.alpha), "MAX(DISTINCT tab_bar.alpha)"); // Expression. // Note that the inner parens aren't necessary. compare(__LINE__, max(bar.alpha + 7), "MAX((tab_bar.alpha+7))"); compare(__LINE__, max(sqlpp::distinct, bar.alpha + 7), "MAX(DISTINCT (tab_bar.alpha+7))"); // With sub select. compare(__LINE__, max(select(sqlpp::value(7).as(sqlpp::alias::a))), "MAX((SELECT 7 AS a))"); compare(__LINE__, max(sqlpp::distinct, select(sqlpp::value(7).as(sqlpp::alias::a))), "MAX(DISTINCT (SELECT 7 AS a))"); return 0; }