本文整理汇总了C++中CConstraint::Ect方法的典型用法代码示例。如果您正苦于以下问题:C++ CConstraint::Ect方法的具体用法?C++ CConstraint::Ect怎么用?C++ CConstraint::Ect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类CConstraint
的用法示例。
在下文中一共展示了CConstraint::Ect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: if
//---------------------------------------------------------------------------
// @function:
// CConstraint::PdrgpcnstrFlatten
//
// @doc:
// Flatten an array of constraints to be used as children for a conjunction
// or disjunction. If any of these children is of the same type then use
// its children directly instead of having multiple levels of the same type
//
//---------------------------------------------------------------------------
DrgPcnstr *
CConstraint::PdrgpcnstrFlatten
(
IMemoryPool *pmp,
DrgPcnstr *pdrgpcnstr,
EConstraintType ect
)
const
{
DrgPcnstr *pdrgpcnstrNew = GPOS_NEW(pmp) DrgPcnstr(pmp);
const ULONG ulLen = pdrgpcnstr->UlLength();
for (ULONG ul = 0; ul < ulLen; ul++)
{
CConstraint *pcnstrChild = (*pdrgpcnstr)[ul];
EConstraintType ectChild = pcnstrChild->Ect();
if (EctConjunction == ectChild && EctConjunction == ect)
{
CConstraintConjunction *pcconj = (CConstraintConjunction *)pcnstrChild;
CUtils::AddRefAppend<CConstraint, CleanupRelease>(pdrgpcnstrNew, pcconj->Pdrgpcnstr());
}
else if (EctDisjunction == ectChild && EctDisjunction == ect)
{
CConstraintDisjunction *pcdisj = (CConstraintDisjunction *)pcnstrChild;
CUtils::AddRefAppend<CConstraint, CleanupRelease>(pdrgpcnstrNew, pcdisj->Pdrgpcnstr());
}
else
{
pcnstrChild->AddRef();
pdrgpcnstrNew->Append(pcnstrChild);
}
}
pdrgpcnstr->Release();
return PdrgpcnstrDeduplicate(pmp, pdrgpcnstrNew, ect);
}