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C++ CDXLNode::GetOperator方法代码示例

本文整理汇总了C++中CDXLNode::GetOperator方法的典型用法代码示例。如果您正苦于以下问题:C++ CDXLNode::GetOperator方法的具体用法?C++ CDXLNode::GetOperator怎么用?C++ CDXLNode::GetOperator使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在CDXLNode的用法示例。


在下文中一共展示了CDXLNode::GetOperator方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: GetJoinType

//---------------------------------------------------------------------------
//	@function:
//		CDXLPhysicalHashJoin::AssertValid
//
//	@doc:
//		Checks whether operator node is well-structured 
//
//---------------------------------------------------------------------------
void
CDXLPhysicalHashJoin::AssertValid
	(
	const CDXLNode *node,
	BOOL validate_children
	) const
{
	// assert proj list and filter are valid
	CDXLPhysical::AssertValid(node, validate_children);
	
	GPOS_ASSERT(EdxlhjIndexSentinel == node->Arity());
	GPOS_ASSERT(EdxljtSentinel > GetJoinType());
	
	CDXLNode *join_filter = (*node)[EdxlhjIndexJoinFilter];
	CDXLNode *hash_clauses = (*node)[EdxlhjIndexHashCondList];
	CDXLNode *left = (*node)[EdxlhjIndexHashLeft];
	CDXLNode *right = (*node)[EdxlhjIndexHashRight];

	// assert children are of right type (physical/scalar)
	GPOS_ASSERT(EdxlopScalarJoinFilter == join_filter->GetOperator()->GetDXLOperator());
	GPOS_ASSERT(EdxlopScalarHashCondList == hash_clauses->GetOperator()->GetDXLOperator());
	GPOS_ASSERT(EdxloptypePhysical == left->GetOperator()->GetDXLOperatorType());
	GPOS_ASSERT(EdxloptypePhysical == right->GetOperator()->GetDXLOperatorType());

	if (validate_children)
	{
		join_filter->GetOperator()->AssertValid(join_filter, validate_children);
		hash_clauses->GetOperator()->AssertValid(hash_clauses, validate_children);
		left->GetOperator()->AssertValid(left, validate_children);
		right->GetOperator()->AssertValid(right, validate_children);
	}
}
开发者ID:b-xiang,项目名称:gporca,代码行数:40,代码来源:CDXLPhysicalHashJoin.cpp


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