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sqlpp11/include/sqlpp11/simple_column.h
2015-02-17 08:03:19 +01:00

66 lines
2.1 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_SIMPLE_COLUMN_H
#define SQLPP_SIMPLE_COLUMN_H
#include <sqlpp11/serializer.h>
#include <sqlpp11/type_traits.h>
namespace sqlpp
{
template<typename Column>
struct simple_column_t
{
using _column_t = Column;
_column_t _column;
using _traits = make_traits<no_value_t, tag::is_noop>;
using _nodes = detail::type_vector<>;
};
template<typename Context, typename Column>
struct serializer_t<Context, simple_column_t<Column>>
{
using _serialize_check = serialize_check_of<Context, Column>;
using T = simple_column_t<Column>;
static Context& _(const T& t, Context& context)
{
context << name_of<typename T::_column_t>::char_ptr();
return context;
}
};
template<typename Column>
simple_column_t<Column> simple_column(Column c)
{
return {c};
}
}
#endif