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/*
* manipulator.h
*
* Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
*
* This file is part of sqlite3cc (hereafter referred to as "this program").
* See http://www.waxworlds.org/edam/software/sqlite3cc for more information.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SQLITE3CC_MANIPULATOR_H_
#define SQLITE3CC_MANIPULATOR_H_
namespace sqlite
{
// types to represent special manipulators for use with stream operators
namespace detail
{
struct null_t { };
struct exec_t { };
struct set_index_t { unsigned int _index; };
}
/**
* Stream manipulator. When used with a statment's stream operator, this
* specifies a NULL value to bind to a parameter. When used with a row's stream
* operator, no value is fetched for a column.
*/
extern detail::null_t null;
/**
* Stream manipulator. When used with a statment's stream operator, this
* indicates that the statement should be executed immediately. Unlike a
* statment's exec() method, this will throw on error. Also, it will throw if
* the execution returns any result rows. When used with a query's stream
* operator, behaviour is the same except that it will not throw when the
* execution returns results.
*/
extern detail::exec_t exec;
/**
* Stream manipulator. When used with a statment's or a row's stream operator,
* this manipulator sets the index used to automatically bind values or get
* column values.
* @param index the new index
*/
detail::set_index_t set_index(
unsigned int index );
} // namespace sqlite
#endif /* SQLITE3CC_MANIPULATOR_H_ */
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