Public 成员函数
	GroupExpr (OperatorNode *contents, std::vector< int > &&child_groups)

int	get_group_id () const

void	set_group_id (int id)

const vector< int > &	get_child_group_ids () const

int	get_child_group_id (int child_idx) const

OperatorNode *	get_op ()

double	get_cost () const

void	set_local_cost (double cost)

uint64_t	hash () const

bool	operator== (const GroupExpr &r) const

void	set_rule_explored (Rule *rule)

bool	rule_explored (Rule *rule)

size_t	get_children_groups_size () const

void	dump () const

Private 属性
int	group_id_ {}

OperatorNode *	contents_ {}

std::vector< int >	child_groups_

std::bitset< static_cast< uint32_t >(RuleType::NUM_RULES)>	rule_mask_

double	lowest_cost_ = std::numeric_limits<double>::max()

构造及析构函数说明

◆ GroupExpr()

inline

参数

contents	optimizer node contents
child_groups	Vector of children groups

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