~drizzle-trunk/drizzle/development

/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2010 Brian Aker

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <config.h>

#include <plugin/show_dictionary/dictionary.h>

#include <drizzled/identifier.h>

#include <drizzled/message.h>

#include <drizzled/message/statement_transform.h>

#include <string>

using namespace std;

using namespace drizzled;

ShowCreateSchema::ShowCreateSchema() :

  show_dictionary::Show("SCHEMA_SQL_DEFINITION")

{

  add_field("SCHEMA_NAME", plugin::TableFunction::STRING, MAXIMUM_IDENTIFIER_LENGTH, false);

  add_field("SCHEMA_SQL_DEFINITION", plugin::TableFunction::STRING, TABLE_FUNCTION_BLOB_SIZE, false);

}

ShowCreateSchema::Generator::Generator(Field **arg) :

  show_dictionary::Show::Generator(arg),

  if_not_exists(false)

{

  if (not isShowQuery())

   return;

  statement::Show& select= static_cast<statement::Show&>(statement());

  if (not select.getShowSchema().empty())

  {

    schema_name.append(select.getShowTable());

    identifier::Schema identifier(select.getShowSchema());

    if (not plugin::Authorization::isAuthorized(*getSession().user(),

                                                identifier, false))

    {

      drizzled::error::access(*getSession().user(), identifier);

      return;

    }

    schema_message= plugin::StorageEngine::getSchemaDefinition(identifier);

    if_not_exists= select.getShowExists();

  }

}

bool ShowCreateSchema::Generator::populate()

{

  if (not schema_message)

    return false;

  std::string buffer;

  /* This needs to be moved out to its own function */

  {

    buffer.append("CREATE DATABASE ");

    if (if_not_exists)

      buffer.append("IF NOT EXISTS ");

    buffer.append("`");

    buffer.append(schema_message->name());

    buffer.append("`");

    if (schema_message->has_collation())

    {

      buffer.append(" COLLATE = ");

      buffer.append(schema_message->collation());

    }

    if (not message::is_replicated(*schema_message))

    {

      buffer.append(" REPLICATE = FALSE");

    }

  }

  push(schema_message->name());

  push(buffer);

  schema_message.reset();

  return true;

}