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oceanbase/src/sql/optimizer/ob_log_material.h
2023-04-28 15:11:53 +00:00

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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_SQL_OB_LOG_MATERIAL_H_
#define OCEANBASE_SQL_OB_LOG_MATERIAL_H_
#include "sql/optimizer/ob_logical_operator.h"
namespace oceanbase
{
namespace sql
{
class ObLogMaterial : public ObLogicalOperator
{
public:
ObLogMaterial(ObLogPlan &plan) : ObLogicalOperator(plan)
{}
virtual ~ObLogMaterial() {}
virtual int est_cost() override;
virtual int do_re_est_cost(EstimateCostInfo &param, double &card, double &op_cost, double &cost) override;
virtual bool is_block_op() const override { return true; }
private:
DISALLOW_COPY_AND_ASSIGN(ObLogMaterial);
};
}
}
#endif // OCEANBASE_SQL_OB_LOG_MATERIAL_H_