~drizzle-trunk/drizzle/development

837 by Brian Aker
Reworked some classes out of session.h
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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_RESULT_H
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#define DRIZZLED_SELECT_RESULT_H
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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namespace drizzled
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{
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1541.1.1 by Brian Aker
JOIN -> Join rename
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class Join;
1130.3.23 by Monty Taylor
Removed more server_includes.h from headers.
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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class select_result :public memory::SqlAlloc {
837 by Brian Aker
Reworked some classes out of session.h
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protected:
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  Session *session;
848 by Brian Aker
typdef class removal (just... use the name of the class).
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  Select_Lex_Unit *unit;
837 by Brian Aker
Reworked some classes out of session.h
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public:
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  select_result()
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  {
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    session= current_session;
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  }
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  virtual ~select_result() {};
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  virtual int prepare(List<Item> &,
848 by Brian Aker
typdef class removal (just... use the name of the class).
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                      Select_Lex_Unit *u)
837 by Brian Aker
Reworked some classes out of session.h
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  {
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    unit= u;
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    return 0;
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  }
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  /*
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    Because of peculiarities of prepared statements protocol
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    we need to know number of columns in the result set (if
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    there is a result set) apart from sending columns metadata.
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  */
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  virtual uint32_t field_count(List<Item> &fields) const
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  { return fields.elements; }
971.3.63 by Eric Day
Removed protocol field flags.
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  virtual bool send_fields(List<Item> &list)=0;
837 by Brian Aker
Reworked some classes out of session.h
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  virtual bool send_data(List<Item> &items)=0;
1541.1.1 by Brian Aker
JOIN -> Join rename
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  virtual bool initialize_tables (Join *)
837 by Brian Aker
Reworked some classes out of session.h
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  { return 0; }
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  virtual bool send_eof()=0;
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  virtual void abort() {}
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  void set_session(Session *session_arg) { session= session_arg; }
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  void begin_dataset() {}
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  /*****************************************************************************
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   ** Functions to provide a interface to select results
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   *****************************************************************************/
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1241.9.57 by Monty Taylor
Oy. Bigger change than I normally like - but this stuff is all intertwined.
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  virtual void send_error(uint32_t errcode, const char *err);
837 by Brian Aker
Reworked some classes out of session.h
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  /*
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    Cleanup instance of this class for next execution of a prepared
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    statement/stored procedure.
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  */
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  virtual void cleanup()
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  {
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    /* do nothing */
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  }
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};
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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} /* namespace drizzled */
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837 by Brian Aker
Reworked some classes out of session.h
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#endif /* DRIZZLED_SELECT_RESULT_H */