/**
 * 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_INDEX_EXECUTOR_H_
#define OCEANBASE_SRC_SQL_ENGINE_CMD_OB_INDEX_EXECUTOR_H_
#include "lib/allocator/ob_allocator.h"
namespace oceanbase {
namespace obrpc {
struct ObCreateIndexArg;
struct ObDropIndexArg;
class ObCommonRpcProxy;
}  // namespace obrpc

namespace sql {
class ObExecContext;

class ObCreateIndexStmt;
class ObSQLSessionInfo;

class ObCreateIndexExecutor {
public:
  friend class ObAlterTableExecutor;
  ObCreateIndexExecutor();
  virtual ~ObCreateIndexExecutor();
  int execute(ObExecContext& ctx, ObCreateIndexStmt& stmt);

private:
  int set_drop_index_stmt_str(obrpc::ObDropIndexArg& drop_index_arg, common::ObIAllocator& allocator);
  int sync_check_index_status(sql::ObSQLSessionInfo& my_session, obrpc::ObCommonRpcProxy& common_rpc_proxy,
      const obrpc::ObCreateIndexArg& create_index_arg, common::ObIAllocator& allocator,
      bool is_update_global_indexes = false);
  int handle_session_exception(ObSQLSessionInfo& session);
  int handle_switchover();
};

class ObDropIndexStmt;
class ObDropIndexExecutor {
public:
  ObDropIndexExecutor();
  virtual ~ObDropIndexExecutor();

  int execute(ObExecContext& ctx, ObDropIndexStmt& stmt);
};

class ObFlashBackIndexStmt;
class ObFlashBackIndexExecutor {
public:
  ObFlashBackIndexExecutor()
  {}
  virtual ~ObFlashBackIndexExecutor()
  {}
  int execute(ObExecContext& ctx, ObFlashBackIndexStmt& stmt);

private:
};

class ObPurgeIndexStmt;
class ObPurgeIndexExecutor {
public:
  ObPurgeIndexExecutor()
  {}
  virtual ~ObPurgeIndexExecutor()
  {}
  int execute(ObExecContext& ctx, ObPurgeIndexStmt& stmt);

private:
};

}  // namespace sql
}  // namespace oceanbase
#endif /* OCEANBASE_SRC_SQL_ENGINE_CMD_OB_INDEX_EXECUTOR_H_ */