presto-tpch/src/main/java/io/prestosql/plugin/tpch/statistics/StatisticsEstimator.java/StatisticsEstimator/zeroStatistics
class StatisticsEstimator:    private TableStatisticsData zeroStatistics(TpchTable<?> table)
    {
        return new TableStatisticsData(0, table.getColumns().stream().collect(toImmutableMap(
                TpchColumn::getColumnName,
                column -> ColumnStatisticsData.zero())));
    }