| MiniOB 1
    MiniOB is one mini database, helping developers to learn how database works. | 
成员的完整列表,这些成员属于 ExplainLogicalOperator,包括所有继承而来的类成员
| add_child(std::unique_ptr< LogicalOperator > oper) (定义于 LogicalOperator) | LogicalOperator | |
| children() (定义于 LogicalOperator) | LogicalOperator | inline | 
| children_ | LogicalOperator | protected | 
| ExplainLogicalOperator()=default (定义于 ExplainLogicalOperator) | ExplainLogicalOperator | |
| expressions() (定义于 LogicalOperator) | LogicalOperator | inline | 
| expressions_ (定义于 LogicalOperator) | LogicalOperator | protected | 
| LogicalOperator()=default (定义于 LogicalOperator) | LogicalOperator | |
| type() const override (定义于 ExplainLogicalOperator) | ExplainLogicalOperator | inlinevirtual | 
| ~ExplainLogicalOperator()=default (定义于 ExplainLogicalOperator) | ExplainLogicalOperator | virtual | 
| ~LogicalOperator() (定义于 LogicalOperator) | LogicalOperator | virtual |