逻辑算子，用于执行delete语句 更多...
#include <delete_logical_operator.h>
类 DeleteLogicalOperator 继承关系图:
Public 成员函数 | |
| DeleteLogicalOperator (Table *table) | |
| LogicalOperatorType | type () const override |
| OpType | get_op_type () const override |
| Table * | table () const |
 Public 成员函数 继承自 LogicalOperator | |
| virtual LogicalOperatorType | type () const =0 |
| bool | is_physical () const override |
| bool | is_logical () const override |
| void | add_child (unique_ptr< LogicalOperator > oper) |
| void | add_expressions (unique_ptr< Expression > expr) |
| auto | children () -> vector< unique_ptr< LogicalOperator > > & |
| auto | expressions () -> vector< unique_ptr< Expression > > & |
| void | generate_general_child () |
| Public 成员函数 继承自 OperatorNode | |
| virtual OpType | get_op_type () const |
| virtual bool | is_physical () const =0 |
| virtual bool | is_logical () const =0 |
| virtual uint64_t | hash () const |
| virtual bool | operator== (const OperatorNode &other) const |
| virtual unique_ptr< LogicalProperty > | find_log_prop (const vector< LogicalProperty * > &log_props) |
| Generate the logical property of the operator node using the input logical properties. 更多... | |
| virtual double | calculate_cost (LogicalProperty *prop, const vector< LogicalProperty * > &child_log_props, CostModel *cm) |
| Calculates the cost of a logical operation. 更多... | |
| void | add_general_child (OperatorNode *child) |
| vector< OperatorNode * > & | get_general_children () |
Private 属性 | |
| Table * | table_ = nullptr |
额外继承的成员函数 | |
| 静态 Public 成员函数 继承自 LogicalOperator | |
| static bool | can_generate_vectorized_operator (const LogicalOperatorType &type) |
| Protected 属性 继承自 LogicalOperator | |
| vector< unique_ptr< LogicalOperator > > | children_ |
| 子算子 更多... | |
| vector< unique_ptr< Expression > > | expressions_ |
| Protected 属性 继承自 OperatorNode | |
| vector< OperatorNode * > | general_children_ |
详细描述
逻辑算子，用于执行delete语句
成员函数说明
◆ get_op_type()
|
inlineoverridevirtual |
TODO: add this function TODO: unify logical and physical OpType
重载 OperatorNode .
◆ type()
|
inlineoverridevirtual |
实现了 LogicalOperator.
该类的文档由以下文件生成:
- src/observer/sql/operator/delete_logical_operator.h
- src/observer/sql/operator/delete_logical_operator.cpp
