索引扫描物理算子 更多...
#include <index_scan_physical_operator.h>
类 IndexScanPhysicalOperator 继承关系图:
Public 成员函数 | |
| IndexScanPhysicalOperator (Table *table, Index *index, ReadWriteMode mode, const Value *left_value, bool left_inclusive, const Value *right_value, bool right_inclusive) | |
| PhysicalOperatorType | type () const override |
| string | param () const override |
| RC | open (Trx *trx) override |
| RC | next () override |
| RC | close () override |
| Tuple * | current_tuple () override |
| void | set_predicates (vector< unique_ptr< Expression > > &&exprs) |
 Public 成员函数 继承自 PhysicalOperator | |
| virtual string | name () const |
| virtual string | param () const |
| bool | is_physical () const override |
| bool | is_logical () const override |
| virtual PhysicalOperatorType | type () const =0 |
| virtual RC | open (Trx *trx)=0 |
| virtual RC | next () |
| virtual RC | next (Chunk &chunk) |
| virtual RC | close ()=0 |
| virtual Tuple * | current_tuple () |
| virtual RC | tuple_schema (TupleSchema &schema) const |
| void | add_child (unique_ptr< PhysicalOperator > oper) |
| vector< unique_ptr< PhysicalOperator > > & | children () |
| 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 成员函数 | |
| RC | filter (RowTuple &tuple, bool &result) |
Private 属性 | |
| Trx * | trx_ = nullptr |
| Table * | table_ = nullptr |
| Index * | index_ = nullptr |
| ReadWriteMode | mode_ = ReadWriteMode::READ_WRITE |
| IndexScanner * | index_scanner_ = nullptr |
| Record | current_record_ |
| RowTuple | tuple_ |
| Value | left_value_ |
| Value | right_value_ |
| bool | left_inclusive_ = false |
| bool | right_inclusive_ = false |
| vector< unique_ptr< Expression > > | predicates_ |
额外继承的成员函数 | |
| Protected 属性 继承自 PhysicalOperator | |
| vector< unique_ptr< PhysicalOperator > > | children_ |
| Protected 属性 继承自 OperatorNode | |
| vector< OperatorNode * > | general_children_ |
详细描述
索引扫描物理算子
成员函数说明
◆ close()
|
overridevirtual |
实现了 PhysicalOperator.
◆ current_tuple()
|
overridevirtual |
重载 PhysicalOperator .
◆ next()
|
overridevirtual |
重载 PhysicalOperator .
◆ open()
|
overridevirtual |
实现了 PhysicalOperator.
◆ param()
|
overridevirtual |
重载 PhysicalOperator .
◆ type()
|
inlineoverridevirtual |
实现了 PhysicalOperator.
该类的文档由以下文件生成:
- src/observer/sql/operator/index_scan_physical_operator.h
- src/observer/sql/operator/index_scan_physical_operator.cpp
