mirror of
https://github.com/rbock/sqlpp11.git
synced 2024-11-15 20:31:16 +08:00
80 lines
3.2 KiB
C++
80 lines
3.2 KiB
C++
/*
|
|
* Copyright (c) 2013-2015, 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 "compare.h"
|
|
#include "Sample.h"
|
|
#include <sqlpp11/sqlpp11.h>
|
|
|
|
namespace
|
|
{
|
|
MockDb db = {};
|
|
}
|
|
|
|
int From(int, char* [])
|
|
{
|
|
const auto foo = test::TabFoo{};
|
|
const auto bar = test::TabBar{};
|
|
const auto aFoo = foo.as(sqlpp::alias::a);
|
|
const auto bFoo = foo.as(sqlpp::alias::b);
|
|
const auto cFoo = foo.as(sqlpp::alias::c);
|
|
|
|
// Single table
|
|
compare(__LINE__, from(foo), " FROM tab_foo");
|
|
compare(__LINE__, from(bar), " FROM tab_bar");
|
|
|
|
// Static joins
|
|
compare(__LINE__, from(foo.cross_join(bar)), " FROM tab_foo CROSS JOIN tab_bar");
|
|
compare(__LINE__, from(foo.join(bar).on(foo.omega > bar.alpha)),
|
|
" FROM tab_foo INNER JOIN tab_bar ON (tab_foo.omega>tab_bar.alpha)");
|
|
compare(__LINE__, from(aFoo.join(bFoo).on(aFoo.omega > bFoo.omega)),
|
|
" FROM tab_foo AS a INNER JOIN tab_foo AS b ON (a.omega>b.omega)");
|
|
compare(
|
|
__LINE__, from(aFoo.join(bFoo).on(aFoo.omega > bFoo.omega).join(cFoo).on(bFoo.omega > cFoo.omega)),
|
|
" FROM tab_foo AS a INNER JOIN tab_foo AS b ON (a.omega>b.omega) INNER JOIN tab_foo AS c ON (b.omega>c.omega)");
|
|
|
|
// Dynamic joins
|
|
const auto df = dynamic_from(db, foo);
|
|
compare(__LINE__, df, " FROM tab_foo");
|
|
{
|
|
auto dfa = df;
|
|
dfa.from.add(dynamic_cross_join(bar));
|
|
compare(__LINE__, dfa, " FROM tab_foo CROSS JOIN tab_bar");
|
|
}
|
|
{
|
|
auto dfa = df;
|
|
dfa.from.add(dynamic_inner_join(bar).on(bar.alpha > foo.omega));
|
|
compare(__LINE__, dfa, " FROM tab_foo INNER JOIN tab_bar ON (tab_bar.alpha>tab_foo.omega)");
|
|
}
|
|
{
|
|
auto dfa = df;
|
|
dfa.from.add(dynamic_inner_join(bar).on(bar.alpha > foo.omega));
|
|
dfa.from.add(dynamic_outer_join(aFoo).on(bar.alpha > aFoo.omega));
|
|
compare(__LINE__, dfa, " FROM tab_foo INNER JOIN tab_bar ON (tab_bar.alpha>tab_foo.omega) OUTER JOIN tab_foo AS a "
|
|
"ON (tab_bar.alpha>a.omega)");
|
|
}
|
|
|
|
return 0;
|
|
}
|