40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OCEANBASE_SQL_OB_LOG_MATERIAL_H_
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#define OCEANBASE_SQL_OB_LOG_MATERIAL_H_
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#include "sql/optimizer/ob_logical_operator.h"
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namespace oceanbase
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{
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namespace sql
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{
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class ObLogMaterial : public ObLogicalOperator
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{
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public:
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ObLogMaterial(ObLogPlan &plan) : ObLogicalOperator(plan)
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{}
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virtual ~ObLogMaterial() {}
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virtual int est_cost() override;
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virtual int do_re_est_cost(EstimateCostInfo ¶m, double &card, double &op_cost, double &cost) override;
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virtual bool is_block_op() const override { return true; }
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private:
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DISALLOW_COPY_AND_ASSIGN(ObLogMaterial);
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};
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}
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}
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#endif // OCEANBASE_SQL_OB_LOG_MATERIAL_H_
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