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/* - 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
*/
#pragma once
#include <assert.h>
#include <drizzled/plugin/storage_engine.h>
#include <boost/unordered_map.hpp>
#include <boost/thread/shared_mutex.hpp>
extern const drizzled::charset_info_st *default_charset_info;
class Schema : public drizzled::plugin::StorageEngine
{
bool writeSchemaFile(const drizzled::identifier::Schema &schema_identifier, const drizzled::message::Schema &db);
bool readSchemaFile(const drizzled::identifier::Schema &schema_identifier, drizzled::message::Schema &schema);
bool readSchemaFile(std::string filename, drizzled::message::Schema &schema);
void prime();
typedef boost::unordered_map<std::string, drizzled::message::schema::shared_ptr> SchemaCache;
SchemaCache schema_cache;
bool schema_cache_filled;
boost::shared_mutex mutex;
public:
Schema();
drizzled::Cursor* create(drizzled::Table&)
{
return NULL;
}
void doGetSchemaIdentifiers(drizzled::identifier::schema::vector&);
drizzled::message::schema::shared_ptr doGetSchemaDefinition(const drizzled::identifier::Schema&);
bool doCreateSchema(const drizzled::message::Schema&);
bool doAlterSchema(const drizzled::message::Schema&);
bool doDropSchema(const drizzled::identifier::Schema&);
// Below are table methods that we don't implement (and don't need)
int doGetTableDefinition(drizzled::Session&,
const drizzled::identifier::Table&,
drizzled::message::Table&)
{
return ENOENT;
}
bool doDoesTableExist(drizzled::Session&, const drizzled::identifier::Table&)
{
return false;
}
int doRenameTable(drizzled::Session&, const drizzled::identifier::Table&, const drizzled::identifier::Table&)
{
return drizzled::HA_ERR_NO_SUCH_TABLE;
}
int doCreateTable(drizzled::Session&,
drizzled::Table&,
const drizzled::identifier::Table&,
const drizzled::message::Table&)
{
return drizzled::ER_TABLE_PERMISSION_DENIED;
}
int doDropTable(drizzled::Session&, const drizzled::identifier::Table&)
{
return drizzled::HA_ERR_NO_SUCH_TABLE;
}
const char** bas_ext() const;
void get_auto_increment(uint64_t, uint64_t,
uint64_t,
uint64_t *,
uint64_t *)
{}
void doGetTableIdentifiers(drizzled::CachedDirectory &directory,
const drizzled::identifier::Schema &schema_identifier,
drizzled::identifier::table::vector &set_of_identifiers);
};
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