C++ (Cpp) NAColumn::isSaltColumnの例

コード例 #1

ファイル: TableDesc.cpp プロジェクト: AlexPeng19/incubator-trafodion

// this method sets the primary key columns. It goes through all the columns
// of the table, and collects the columns which are marked as primary keys
void TableDesc::setPrimaryKeyColumns()
{
    ValueIdSet primaryColumns;

    for ( CollIndex j = 0 ; j < colList_.entries() ; j++ )
    {

        ValueId valId = colList_[j];

        NAColumn *column = valId.getNAColumn();

        if ( column->isPrimaryKey() )
        {
            primaryColumns.insert(valId) ;
            // mark column as referenced for histogram, as we may need its histogram
            // during plan generation
            if ((column->isUserColumn() || column->isSaltColumn() ) &&
                    (column->getNATable()->getSpecialType() == ExtendedQualName::NORMAL_TABLE) )
                column->setReferencedForMultiIntHist();
        }
    }

    primaryKeyColumns_ = primaryColumns;
}