~drizzle-trunk/drizzle/development

1475.1.1 by Padraig O'Sullivan
Added interface and various implementations to abstract out the concept of an access method. Also added a factory class for creating an instance of an access method.
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2010 Padraig O'Sullivan
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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 General Public License as published by
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 *  the Free Software Foundation; either version 2 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 General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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2234 by Brian Aker
Mass removal of ifdef/endif in favor of pragma once.
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#pragma once
1475.1.1 by Padraig O'Sullivan
Added interface and various implementations to abstract out the concept of an access method. Also added a factory class for creating an instance of an access method.
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2318.6.78 by Olaf van der Spek
Refactor
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#include <drizzled/common_fwd.h>
1475.1.1 by Padraig O'Sullivan
Added interface and various implementations to abstract out the concept of an access method. Also added a factory class for creating an instance of an access method.
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2252.1.21 by Olaf van der Spek
Common fwd
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namespace drizzled {
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namespace optimizer {
1475.1.1 by Padraig O'Sullivan
Added interface and various implementations to abstract out the concept of an access method. Also added a factory class for creating an instance of an access method.
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/**
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 * @class AccessMethod
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 * @brief Represents an access method
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 */
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class AccessMethod
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{
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public:
2318.6.78 by Olaf van der Spek
Refactor
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  typedef boost::shared_ptr<AccessMethod> ptr;
1475.1.1 by Padraig O'Sullivan
Added interface and various implementations to abstract out the concept of an access method. Also added a factory class for creating an instance of an access method.
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  virtual ~AccessMethod() {}
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  /**
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   * Retrieve statistics relelvant to this access method.
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   *
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   * @param[in] table
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   * @param[in] join_tab
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   * @return true on failure; false on success
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   */
2318.6.78 by Olaf van der Spek
Refactor
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  virtual void getStats(Table&, JoinTable&)= 0;
1475.1.1 by Padraig O'Sullivan
Added interface and various implementations to abstract out the concept of an access method. Also added a factory class for creating an instance of an access method.
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};
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} /* end namespace optimizer */
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} /* end namespace drizzled */
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