presto-hive/src/main/java/io/prestosql/plugin/hive/util/HiveWriteUtils.java/DateFieldSetter/setField
class DateFieldSetter:        @Override
        public void setField(Block block, int position)
        {
            value.set(toIntExact(DateType.DATE.getLong(block, position)));
            rowInspector.setStructFieldData(row, field, value);
        }