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/*
* Copyright (c) 2025 OceanBase.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#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_ */