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sqlpp11/test_serializer/CustomQuery.cpp
2016-09-16 19:30:17 +02:00

73 lines
3.5 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 "Sample.h"
#include "compare.h"
#include <sqlpp11/sqlpp11.h>
#include <iostream>
SQLPP_ALIAS_PROVIDER(pragma)
int CustomQuery(int, char* [])
{
const auto foo = test::TabFoo{};
const auto bar = test::TabBar{};
auto db = MockDb{};
// Unconditionally
compare(__LINE__, custom_query(sqlpp::select(), select_flags(sqlpp::distinct), select_columns(foo.omega), from(foo),
sqlpp::unconditionally()),
"SELECT DISTINCT tab_foo.omega FROM tab_foo ");
// A full select statement made individual clauses
compare(__LINE__,
custom_query(sqlpp::select(), select_flags(sqlpp::distinct), select_columns(foo.omega),
from(foo.join(bar).on(foo.omega == bar.alpha)), where(bar.alpha > 17), group_by(foo.omega),
having(avg(bar.alpha) > 19), order_by(foo.omega.asc()), sqlpp::limit(10u), sqlpp::offset(100u)),
"SELECT DISTINCT tab_foo.omega FROM tab_foo INNER JOIN tab_bar ON (tab_foo.omega=tab_bar.alpha) WHERE "
"(tab_bar.alpha>17) GROUP BY tab_foo.omega HAVING (AVG(tab_bar.alpha)>19) ORDER BY tab_foo.omega ASC "
"LIMIT 10 OFFSET 100");
// A full select statement made individual clauses
compare(
__LINE__,
custom_query(sqlpp::select(), dynamic_select_flags(db, sqlpp::distinct), dynamic_select_columns(db, foo.omega),
dynamic_from(db, foo.join(bar).on(foo.omega == bar.alpha)), dynamic_where(db, bar.alpha > 17),
dynamic_group_by(db, foo.omega), dynamic_having(db, avg(bar.alpha) > 19),
dynamic_order_by(db, foo.omega.asc(), foo.psi.order(sqlpp::sort_type::desc)),
sqlpp::dynamic_limit(db), sqlpp::dynamic_offset(db)),
"SELECT DISTINCT tab_foo.omega FROM tab_foo INNER JOIN tab_bar ON (tab_foo.omega=tab_bar.alpha) WHERE "
"(tab_bar.alpha>17) GROUP BY tab_foo.omega HAVING (AVG(tab_bar.alpha)>19) ORDER BY tab_foo.omega "
"ASC,tab_foo.psi DESC ");
// 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");
return 0;
}