presto-hive/src/main/java/io/prestosql/plugin/hive/coercions/DecimalCoercers.java/DoubleToLongDecimalCoercer/DoubleToLongDecimalCoercer
class DoubleToLongDecimalCoercer:        public DoubleToLongDecimalCoercer(DecimalType toType)
        {
            super(DOUBLE, toType);
        }