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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Padraig O'Sullivan
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <drizzled/sql_select.h>
#include <drizzled/join_table.h>
#include <drizzled/optimizer/access_method.h>
#include <drizzled/optimizer/access_method_factory.h>
#include <drizzled/optimizer/access_method/system.h>
#include <drizzled/optimizer/access_method/const.h>
#include <drizzled/optimizer/access_method/unique_index.h>
#include <drizzled/optimizer/access_method/index.h>
#include <drizzled/optimizer/access_method/scan.h>
#include <boost/shared_ptr.hpp>
using namespace drizzled;
boost::shared_ptr<optimizer::AccessMethod>
optimizer::AccessMethodFactory::createAccessMethod(enum access_method type)
{
boost::shared_ptr<optimizer::AccessMethod> am_ret;
switch (type)
{
case AM_SYSTEM:
am_ret.reset(new optimizer::System());
break;
case AM_CONST:
am_ret.reset(new optimizer::Const());
break;
case AM_EQ_REF:
am_ret.reset(new optimizer::UniqueIndex());
break;
case AM_REF_OR_NULL:
case AM_REF:
am_ret.reset(new optimizer::Index());
break;
case AM_ALL:
am_ret.reset(new optimizer::Scan());
break;
default:
break;
}
return am_ret;
}
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