presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/thrift/ThriftMetastoreUtil.java/ThriftMetastoreUtil/createBooleanStatistics
class ThriftMetastoreUtil:    private static ColumnStatisticsObj createBooleanStatistics(String columnName, HiveType columnType, HiveColumnStatistics statistics)
    {
        BooleanColumnStatsData data = new BooleanColumnStatsData();
        statistics.getNullsCount().ifPresent(data::setNumNulls);
        statistics.getBooleanStatistics().ifPresent(booleanStatistics -> {
            booleanStatistics.getFalseCount().ifPresent(data::setNumFalses);
            booleanStatistics.getTrueCount().ifPresent(data::setNumTrues);
        });
        return new ColumnStatisticsObj(columnName, columnType.toString(), booleanStats(data));
    }