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