TableScanVecPhysicalOperator类 参考

表扫描物理算子(vectorized) 更多...

#include <table_scan_vec_physical_operator.h>

类 TableScanVecPhysicalOperator 继承关系图:

Public 成员函数
	TableScanVecPhysicalOperator (Table *table, ReadWriteMode mode)
string	param () const override
PhysicalOperatorType	type () const override
RC	open (Trx *trx) override
RC	next (Chunk &chunk) override
RC	close () 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 (Chunk &chunk)

Private 属性
Table *	table_ = nullptr
ReadWriteMode	mode_ = ReadWriteMode::READ_WRITE
ChunkFileScanner	chunk_scanner_
Chunk	all_columns_
Chunk	filterd_columns_
vector< uint8_t >	select_
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

表扫描物理算子(vectorized)

成员函数说明

close()

RC TableScanVecPhysicalOperator::close ( )

overridevirtual

实现了 PhysicalOperator.

next()

RC TableScanVecPhysicalOperator::next ( Chunk &  chunk )

overridevirtual

重载 PhysicalOperator .

open()

RC TableScanVecPhysicalOperator::open ( Trx *  trx )

overridevirtual

实现了 PhysicalOperator.

param()

string TableScanVecPhysicalOperator::param ( ) const

overridevirtual

重载 PhysicalOperator .

type()

PhysicalOperatorType TableScanVecPhysicalOperator::type ( ) const

inlineoverridevirtual

实现了 PhysicalOperator.

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该类的文档由以下文件生成:

• src/observer/sql/operator/table_scan_vec_physical_operator.h
• src/observer/sql/operator/table_scan_vec_physical_operator.cpp