| 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 CalcStmt,包括所有继承而来的类成员
| CalcStmt()=default (定义于 CalcStmt) | CalcStmt | |
| create(CalcSqlNode &calc_sql, Stmt *&stmt) (定义于 CalcStmt) | CalcStmt | inlinestatic | 
| create_stmt(Db *db, ParsedSqlNode &sql_node, Stmt *&stmt) (定义于 Stmt) | Stmt | static | 
| expressions() (定义于 CalcStmt) | CalcStmt | inline | 
| expressions_ (定义于 CalcStmt) | CalcStmt | private | 
| Stmt()=default (定义于 Stmt) | Stmt | |
| type() const override (定义于 CalcStmt) | CalcStmt | inlinevirtual | 
| ~CalcStmt() override=default (定义于 CalcStmt) | CalcStmt | virtual | 
| ~Stmt()=default (定义于 Stmt) | Stmt | virtual |