~drizzle-trunk/drizzle/development

1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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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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 *
1999.6.1 by kalebral at gmail
update Copyright strings to a more common format to help with creating the master debian copyright file
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 *  Copyright (C) 2009 Sun Microsystems, Inc.
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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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; either version 2 of the License, or
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 *  (at your option) any later version.
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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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2234 by Brian Aker
Mass removal of ifdef/endif in favor of pragma once.
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#pragma once
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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#include <drizzled/definitions.h>
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#include <drizzled/error.h>
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#include <drizzled/sql_parse.h>
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#include <drizzled/sql_base.h>
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#include <drizzled/show.h>
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2224.2.1 by Olaf van der Spek
Refactor
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namespace drizzled {
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namespace statement {
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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/**
1100.3.30 by Padraig O'Sullivan
Renamed the Command class to be Statement. Renamed the command directory to
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 * @class Statement
1100.3.28 by Padraig O'Sullivan
Renamed the command namespace where I was declaring all of these commands to
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 * @brief Represents a statement to be executed
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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 */
1100.3.30 by Padraig O'Sullivan
Renamed the Command class to be Statement. Renamed the command directory to
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class Statement
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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{
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public:
2224.2.1 by Olaf van der Spek
Refactor
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  Statement(Session *in_session) :
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    _session(*in_session)
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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  {}
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1100.3.30 by Padraig O'Sullivan
Renamed the Command class to be Statement. Renamed the command directory to
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  virtual ~Statement() {}
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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2224.2.6 by Olaf van der Spek
Statement::set_command
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  void set_command(enum_sql_command);
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  LEX& lex();
2224.2.1 by Olaf van der Spek
Refactor
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  session::Transactions& transaction();
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1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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  /**
1100.3.28 by Padraig O'Sullivan
Renamed the command namespace where I was declaring all of these commands to
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   * Execute the statement.
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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   *
1100.3.25 by Padraig O'Sullivan
Changed return type of the execute() function in Command classes to be bool
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   * @return true on failure; false on success
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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   */
1100.3.25 by Padraig O'Sullivan
Changed return type of the execute() function in Command classes to be bool
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  virtual bool execute()= 0;
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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2140.2.6 by Stewart Smith
be sure to start a transaction with a startTransaction call on the first statement when autocommit is OFF. The only statements that DO NOT do this are a) DDL and b) SELECT without a table (e.g. SELECT DATABASE() and SHOW STATUS.
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  /* True if can be in transaction. Currently only DDL is not.
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     This should go away when DDL commands are within transactions. */
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  virtual bool isTransactional()
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  {
2140.2.9 by Stewart Smith
switch default Statement::isTransactional() to false, have explicit overriding of true where needed.
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    return false;
2140.2.6 by Stewart Smith
be sure to start a transaction with a startTransaction call on the first statement when autocommit is OFF. The only statements that DO NOT do this are a) DDL and b) SELECT without a table (e.g. SELECT DATABASE() and SHOW STATUS.
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  }
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2224.2.1 by Olaf van der Spek
Refactor
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  Session& session() const
2104.1.1 by Brian Aker
Merge in update to use console for catalog DDL.
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  {
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    return _session;
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  }
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2059.1.1 by Andrew Hutchings
Refix show_dictionary plugin crash when not using 'SHOW' to access.
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  virtual bool isShow() { return false; }
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2098.4.1 by Brian Aker
Make session encapsulated.
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private:
2224.2.1 by Olaf van der Spek
Refactor
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  Session& _session;
1100.3.4 by Padraig O'Sullivan
Updates based on code review from Jay.
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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 statement */
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} /* namespace drizzled */
1100.3.1 by Padraig O'Sullivan
Beginnings of reworking the mysql_execute_command() method.
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