C++ (Cpp) CRUTbl::GetKeyColumnList Examples

Example #1

File: RuRefreshTaskExecutor.cpp Project: RuoYuHP/incubator-trafodion

//--------------------------------------------------------------------------//
//	CRURefreshTaskExecutor::GetDefaultMdamOptForTable()
//
// If the table has more then two key columns and the range log is not empty
// then mdam must be forced on the table unless the user forced otherwise
//--------------------------------------------------------------------------//
CRUForceOptions::MdamOptions CRURefreshTaskExecutor::GetDefaultMdamOptForTable(CRUTbl &tbl)
{
	Int32 numTableKeyCol = tbl.GetKeyColumnList().GetCount();

	if (numTableKeyCol < 2)
	{
		return CRUForceOptions::MDAM_NO_FORCE;
	}

	if (FALSE == GetRefreshTask()->IsSingleDeltaRefresh())
	{
		return CRUForceOptions::MDAM_NO_FORCE;
	}

	const CRUDeltaDef *pDdef = GetRootMV().GetDeltaDefByUid(tbl.GetUID());
	
	if (NULL != pDdef && TRUE == pDdef->isRangeLogNonEmpty_)
	{
		return CRUForceOptions::MDAM_ON;
	}

	return CRUForceOptions::MDAM_NO_FORCE;
}