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