presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/HiveColumnStatistics.java/HiveColumnStatistics/setDecimalStatistics
class HiveColumnStatistics:        public Builder setDecimalStatistics(DecimalStatistics decimalStatistics)
        {
            this.decimalStatistics = Optional.of(decimalStatistics);
            return this;
        }