/**
 * 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_