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Viewing changes to drizzled/optimizer/access_method_factory.cc

  • Committer: Olaf van der Spek
  • Date: 2011-06-25 13:36:24 UTC
  • mto: This revision was merged to the branch mainline in revision 2349.
  • Revision ID: olafvdspek@gmail.com-20110625133624-hzy2ordecn161qco
Refactor

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drizzled/optimizer/access_method_factory.cc
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 */
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#include <config.h>
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#include <drizzled/sql_select.h>
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#include <drizzled/join_table.h>
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#include <drizzled/optimizer/access_method.h>
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#include <drizzled/optimizer/access_method_factory.h>
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#include <drizzled/optimizer/access_method/system.h>
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#include <drizzled/optimizer/access_method/index.h>
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#include <drizzled/optimizer/access_method/scan.h>
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#include <boost/make_shared.hpp>
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#include <boost/shared_ptr.hpp>
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using namespace drizzled;
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boost::shared_ptr<optimizer::AccessMethod>
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optimizer::AccessMethodFactory::createAccessMethod(enum access_method type)
 
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optimizer::AccessMethod::ptr optimizer::AccessMethodFactory::create(access_method type)
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{
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  boost::shared_ptr<optimizer::AccessMethod> am_ret;
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  switch (type)
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  {
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  case AM_SYSTEM:
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    am_ret.reset(new optimizer::System());
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    break;
 
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    return boost::make_shared<optimizer::System>();
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  case AM_CONST:
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    am_ret.reset(new optimizer::Const());
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    break;
 
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    return boost::make_shared<optimizer::Const>();
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  case AM_EQ_REF:
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    am_ret.reset(new optimizer::UniqueIndex());
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    break;
 
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    return boost::make_shared<optimizer::UniqueIndex>();
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  case AM_REF_OR_NULL:
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  case AM_REF:
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    am_ret.reset(new optimizer::Index());
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    break;
 
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    return boost::make_shared<optimizer::Index>();
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  case AM_ALL:
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    am_ret.reset(new optimizer::Scan());
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    break;
 
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    return boost::make_shared<optimizer::Scan>();
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  default:
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    break;
 
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    assert(false);
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  }
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  return am_ret;
 
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  return optimizer::AccessMethod::ptr();
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}
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