presto-hive/src/main/java/io/prestosql/plugin/hive/util/Statistics.java/Statistics/fromComputedStatistics
class Statistics:    public static Map<String, HiveColumnStatistics> fromComputedStatistics(
            ConnectorSession session,
            DateTimeZone timeZone,
            Map<ColumnStatisticMetadata, Block> computedStatistics,
            Map<String, Type> columnTypes,
            long rowCount)
    {
        return createColumnToComputedStatisticsMap(computedStatistics).entrySet().stream()
                .collect(toImmutableMap(Entry::getKey, entry -> createHiveColumnStatistics(session, timeZone, entry.getValue(), columnTypes.get(entry.getKey()), rowCount)));
    }