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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2009 Sun Microsystems, Inc.
*
* 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 <drizzled/show.h>
#include <drizzled/session.h>
#include <drizzled/statement/create_schema.h>
#include <drizzled/schema.h>
#include <drizzled/plugin/event_observer.h>
#include <drizzled/message.h>
#include <drizzled/plugin/storage_engine.h>
#include <drizzled/sql_lex.h>
#include <drizzled/plugin/authorization.h>
#include <string>
using namespace std;
namespace drizzled {
bool statement::CreateSchema::execute()
{
if (not validateSchemaOptions())
return true;
if (session().inTransaction())
{
my_error(ER_TRANSACTIONAL_DDL_NOT_SUPPORTED, MYF(0));
return true;
}
identifier::Schema schema_identifier(to_string(lex().name));
if (not check(schema_identifier))
return false;
drizzled::message::schema::init(schema_message, lex().name.data());
message::set_definer(schema_message, *session().user());
bool res = false;
std::string path = schema_identifier.getSQLPath();
if (unlikely(plugin::EventObserver::beforeCreateDatabase(session(), path)))
{
my_error(ER_EVENT_OBSERVER_PLUGIN, MYF(0), path.c_str());
}
else
{
res= schema::create(session(), schema_message, lex().exists());
if (unlikely(plugin::EventObserver::afterCreateDatabase(session(), path, res)))
{
my_error(ER_EVENT_OBSERVER_PLUGIN, schema_identifier);
res = false;
}
}
return not res;
}
bool statement::CreateSchema::check(const identifier::Schema &identifier)
{
if (not identifier.isValid())
return false;
if (not plugin::Authorization::isAuthorized(*session().user(), identifier))
return false;
if (not lex().exists())
{
if (plugin::StorageEngine::doesSchemaExist(identifier))
{
my_error(ER_DB_CREATE_EXISTS, identifier);
return false;
}
}
return true;
}
// We don't actually test anything at this point, we assume it is all bad.
bool statement::CreateSchema::validateSchemaOptions()
{
size_t num_engine_options= schema_message.engine().options_size();
bool rc= num_engine_options ? false : true;
for (size_t y= 0; y < num_engine_options; ++y)
{
my_error(ER_UNKNOWN_SCHEMA_OPTION, MYF(0),
schema_message.engine().options(y).name().c_str(),
schema_message.engine().options(y).state().c_str());
rc= false;
}
return rc;
}
} /* namespace drizzled */
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