0
0
mirror of https://github.com/rbock/sqlpp11.git synced 2024-11-15 20:31:16 +08:00
sqlpp11/include/sqlpp11/prepared_select.h

62 lines
2.2 KiB
C++

/*
* Copyright (c) 2013, 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_PREPARED_SELECT_H
#define SQLPP_PREPARED_SELECT_H
#include <sqlpp11/parameter_list.h>
#include <sqlpp11/result.h>
namespace sqlpp
{
template<typename Db, typename Select>
struct prepared_select_t
{
using _result_row_t = typename Select::_result_row_t;
using _parameter_list_t = typename Select::_parameter_list_t;
using _dynamic_names_t = typename Select::_dynamic_names_t;
using _prepared_query_t = typename Db::_prepared_query_t;
auto run(Db& db) const
-> result_t<decltype(db.run_prepared_select(*this)), _result_row_t>
{
return {db.run_prepared_select(*this), _dynamic_names};
}
void _bind_params() const
{
params._bind(_prepared_query);
}
_parameter_list_t params;
_dynamic_names_t _dynamic_names;
mutable _prepared_query_t _prepared_query;
};
}
#endif