~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_UNION_H
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#define DRIZZLED_SELECT_UNION_H
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class select_union :public select_result_interceptor
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{
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  Tmp_Table_Param tmp_table_param;
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public:
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  Table *table;
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  select_union() :table(0) {}
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  int prepare(List<Item> &list, Select_Lex_Unit *u);
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  bool send_data(List<Item> &items);
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  bool send_eof();
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  bool flush();
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  void cleanup();
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  bool create_result_table(Session *session, List<Item> *column_types,
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                           bool is_distinct, uint64_t options,
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                           const char *alias, bool bit_fields_as_long);
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};
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#endif /* DRIZZLED_SELECT_UNION_H */