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oceanbase/src/sql/engine/cmd/ob_database_executor.h
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

99 lines
2.5 KiB
C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#ifndef OCEANBASE_SRC_SQL_ENGINE_CMD_OB_DATABASE_EXECUTOR_H_
#define OCEANBASE_SRC_SQL_ENGINE_CMD_OB_DATABASE_EXECUTOR_H_
#include "share/ob_define.h"
#include "share/schema/ob_schema_getter_guard.h"
namespace oceanbase
{
namespace sql
{
class ObExecContext;
class ObCreateDatabaseStmt;
class ObDropDatabaseStmt;
class ObUseDatabaseStmt;
class ObAlterDatabaseStmt;
class ObFlashBackDatabaseStmt;
class ObPurgeDatabaseStmt;
class ObCreateDatabaseExecutor
{
public:
ObCreateDatabaseExecutor();
virtual ~ObCreateDatabaseExecutor();
int execute(ObExecContext &ctx, ObCreateDatabaseStmt &stmt);
private:
DISALLOW_COPY_AND_ASSIGN(ObCreateDatabaseExecutor);
};
///////////////////////
class ObUseDatabaseExecutor
{
public:
ObUseDatabaseExecutor();
virtual ~ObUseDatabaseExecutor();
int execute(ObExecContext &ctx, ObUseDatabaseStmt &stmt);
private:
DISALLOW_COPY_AND_ASSIGN(ObUseDatabaseExecutor);
};
///////////////////////
class ObAlterDatabaseExecutor
{
public:
ObAlterDatabaseExecutor();
virtual ~ObAlterDatabaseExecutor();
int execute(ObExecContext &ctx, ObAlterDatabaseStmt &stmt);
private:
DISALLOW_COPY_AND_ASSIGN(ObAlterDatabaseExecutor);
};
/////////////////////
class ObDropDatabaseExecutor
{
public:
ObDropDatabaseExecutor();
virtual ~ObDropDatabaseExecutor();
int execute(ObExecContext &ctx, ObDropDatabaseStmt &stmt);
private:
DISALLOW_COPY_AND_ASSIGN(ObDropDatabaseExecutor);
};
/* *
*
* */
class ObFlashBackDatabaseExecutor
{
public:
ObFlashBackDatabaseExecutor() {}
virtual ~ObFlashBackDatabaseExecutor() {}
int execute(ObExecContext &ctx, ObFlashBackDatabaseStmt &stmt);
private:
DISALLOW_COPY_AND_ASSIGN(ObFlashBackDatabaseExecutor);
};
class ObPurgeDatabaseExecutor
{
public:
ObPurgeDatabaseExecutor() {}
virtual ~ObPurgeDatabaseExecutor() {}
int execute(ObExecContext &ctx, ObPurgeDatabaseStmt &stmt);
private:
DISALLOW_COPY_AND_ASSIGN(ObPurgeDatabaseExecutor);
};
} // namespace sql
} // namespace oceanbase
#endif /* OCEANBASE_SRC_SQL_ENGINE_CMD_OB_DATABASE_EXECUTOR_H_ */