MiniOB
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MiniOB is one mini database, helping developers to learn how database works.
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src
observer
sql
operator
explain_logical_operator.h
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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.
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You can use this software according to the terms and conditions of the Mulan PSL v2.
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You may obtain a copy of Mulan PSL v2 at:
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http://license.coscl.org.cn/MulanPSL2
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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 PSL v2 for more details. */
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//
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// Created by WangYunlai on 2022/12/27.
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//
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#pragma once
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#include "sql/operator/logical_operator.h"
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class
ExplainLogicalOperator
:
public
LogicalOperator
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{
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public
:
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ExplainLogicalOperator
() =
default
;
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virtual
~ExplainLogicalOperator
() =
default
;
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LogicalOperatorType type()
const override
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{
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return
LogicalOperatorType::EXPLAIN;
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}
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private
:
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};
ExplainLogicalOperator
Explain逻辑算子
Definition:
explain_logical_operator.h:24
LogicalOperator
逻辑算子描述当前执行计划要做什么
Definition:
logical_operator.h:50
制作者
1.9.5