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sqlpp11/include/sqlpp11/all_of.h
rbock cf83978118 Migrated select clauses to returning wrapped asserts
This helps a lot in testing static asserts (and debuging expressions
with MSVC)
2016-09-01 12:06:40 +02:00

71 lines
2.4 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.
*/
#ifndef SQLPP_ALL_OF_H
#define SQLPP_ALL_OF_H
#include <sqlpp11/alias.h>
#include <sqlpp11/interpret.h>
#include <sqlpp11/multi_column.h>
#include <sqlpp11/portable_static_assert.h>
namespace sqlpp
{
template <typename Table>
struct all_of_t
{
using _column_tuple_t = typename Table::_column_tuple_t;
template <typename AliasProvider>
detail::copy_tuple_args_t<multi_column_alias_t, AliasProvider, _column_tuple_t> as(const AliasProvider& alias)
{
return multi_column(_column_tuple_t{}).as(alias);
}
};
template <typename Table>
auto all_of(Table) -> all_of_t<Table>
{
return {};
}
SQLPP_PORTABLE_STATIC_ASSERT(assert_no_stand_alone_all_of_t, "all_of(table) seems to be used outside of select");
template <typename Context, typename Table>
struct serializer_t<Context, all_of_t<Table>>
{
using _serialize_check = assert_no_stand_alone_all_of_t;
using T = all_of_t<Table>;
static Context& _(const T&, const Context&)
{
_serialize_check{};
}
};
}
#endif