Method GetColumnsDescription

catboost/libs/column_description/cd_parser.cpp:192–204

}

TVector<TColumn> TCdFromFileProvider::GetColumnsDescription(TMaybe<ui32> columnsCount) const {
    TVector<TColumn> columnsDescription;
    if (CdFilePath.Inited()) {
        columnsDescription = ReadCD(
            CdFilePath,
            columnsCount.Defined() ? TCdParserDefaults(EColumn::Num, *columnsCount) : TCdParserDefaults(EColumn::Num)
        );
    } else {
        columnsDescription.assign(columnsCount.Defined() ? *columnsCount : ui32(1), TColumn{EColumn::Num, TString()});
        columnsDescription[0].Type = EColumn::Label;
    }
    return columnsDescription;
}

ICdProvider::~ICdProvider() = default;