private void init() {
    outputDecimalTypeInfo = (DecimalTypeInfo) outputTypeInfo;
    outputDecimal64AbsMax =
        HiveDecimalWritable.getDecimal64AbsMax(
            outputDecimalTypeInfo.getPrecision());
  }
Value is explicitly (re)initialized in reset()
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/VectorUDAFSumDecimal64.java