/* * Copyright (c) 2016-2022, 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 #include SQLPP_ALIAS_PROVIDER(pragma) int CustomQuery(int, char*[]) { const auto foo = test::TabFoo{}; const auto bar = test::TabBar{}; // Unconditionally compare(__LINE__, custom_query(sqlpp::select(), select_flags(sqlpp::distinct), select_columns(foo.doubleN), from(foo), sqlpp::unconditionally()), "SELECT DISTINCT tab_foo.double_n FROM tab_foo "); // A full select statement made individual clauses compare(__LINE__, custom_query(sqlpp::select(), select_flags(sqlpp::distinct), select_columns(foo.doubleN), from(foo.join(bar).on(foo.doubleN == bar.id)), where(bar.id > 17), group_by(foo.doubleN), having(avg(bar.id) > 19), order_by(foo.doubleN.asc()), sqlpp::limit(10u), sqlpp::offset(100u)), "SELECT DISTINCT tab_foo.double_n FROM tab_foo INNER JOIN tab_bar ON (tab_foo.double_n = tab_bar.id) WHERE " "(tab_bar.id > 17) GROUP BY tab_foo.double_n HAVING (AVG(tab_bar.id) > 19) ORDER BY tab_foo.double_n ASC " "LIMIT 10 OFFSET 100"); // A full select statement made individual clauses compare( __LINE__, custom_query(sqlpp::select(), select_flags(sqlpp::distinct), select_columns(foo.doubleN), from(foo.join(bar).on(foo.doubleN == bar.id)), where(bar.id > 17), group_by(foo.doubleN), having(avg(bar.id) > 19), order_by(foo.doubleN.asc(), foo.uIntN.order(sqlpp::sort_type::desc)), sqlpp::limit(7u), sqlpp::offset(3u)), "SELECT DISTINCT tab_foo.double_n FROM tab_foo INNER JOIN tab_bar ON (tab_foo.double_n = tab_bar.id) WHERE " "(tab_bar.id > 17) GROUP BY tab_foo.double_n HAVING (AVG(tab_bar.id) > 19) ORDER BY tab_foo.double_n " "ASC,tab_foo.u_int_n DESC LIMIT 7 OFFSET 3"); // A pragma query for sqlite compare(__LINE__, custom_query(sqlpp::verbatim("PRAGMA user_version")).with_result_type_of(select(sqlpp::value(1).as(pragma))), " PRAGMA user_version"); // An insert from select for postgresql const auto x = 17; compare(__LINE__, custom_query(insert_into(foo).columns(foo.doubleN), select(sqlpp::value(x).as(foo.doubleN)) .from(foo) .where(not exists(select(foo.doubleN).from(foo).where(foo.doubleN == x)))), "INSERT INTO tab_foo (double_n) " "SELECT 17 AS double_n FROM tab_foo " "WHERE (NOT EXISTS(SELECT tab_foo.double_n FROM tab_foo WHERE (tab_foo.double_n = 17)))"); // A multi-row "insert or ignore" auto batch = insert_columns(bar.textN, bar.boolNn); batch.add_values(bar.textN = "sample", bar.boolNn = true); batch.add_values(bar.textN = "ample", bar.boolNn = false); compare(__LINE__, custom_query(sqlpp::insert(), sqlpp::verbatim(" OR IGNORE"), into(bar), batch), "INSERT OR IGNORE INTO tab_bar (text_n,bool_nn) VALUES ('sample',1),('ample',0)"); return 0; }