join_logical_operator.h 1.0 KB
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/* Copyright (c) 2021 OceanBase and/or its affiliates. All rights reserved.
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miniob is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:
         http://license.coscl.org.cn/MulanPSL2
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 PSL v2 for more details. */

//
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// Created by Wangyunlai on 2022/12/07
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//

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#pragma once
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#include "sql/operator/logical_operator.h"

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/**
 * @brief 连接算子
 * @ingroup LogicalOperator
 * @details 连接算子,用于连接两个表。对应的物理算子或者实现,可能有NestedLoopJoin,HashJoin等等。
 */
class JoinLogicalOperator : public LogicalOperator 
{
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public:
  JoinLogicalOperator() = default;
  virtual ~JoinLogicalOperator() = default;

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  LogicalOperatorType type() const override
  {
    return LogicalOperatorType::JOIN;
  }

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private:
};