~drizzle-trunk/drizzle/development

851 by Brian Aker
Class rewrite of Session (aka get all of the junk out)
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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) 2008 Sun Microsystems
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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; version 2 of the License.
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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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#ifndef DRIZZLED_SELECT_MIN_MAX_FINDER_SUBSELECT_H
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#define DRIZZLED_SELECT_MIN_MAX_FINDER_SUBSELECT_H
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/* used in independent ALL/ANY optimisation */
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class select_max_min_finder_subselect :public select_subselect
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{
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  Item_cache *cache;
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  bool (select_max_min_finder_subselect::*op)();
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  bool fmax;
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public:
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  select_max_min_finder_subselect(Item_subselect *item_arg, bool mx)
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    :select_subselect(item_arg), cache(0), fmax(mx)
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  {}
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  void cleanup();
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  bool send_data(List<Item> &items);
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  bool cmp_real();
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  bool cmp_int();
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  bool cmp_decimal();
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  bool cmp_str();
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};
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#endif /* DRIZZLED_SELECT_MIN_MAX_FINDER_SUBSELECT_H */