private void convertMapWork(MapWork mapWork, boolean isTez) throws SemanticException {

      // We have to evaluate the input format to see if vectorization is enabled, so
      // we do not set it right here.

      VectorTaskColumnInfo vectorTaskColumnInfo = new VectorTaskColumnInfo();
      vectorTaskColumnInfo.assume();

      validateAndVectorizeMapWork(mapWork, vectorTaskColumnInfo, isTez);
    }
Decimal types can be specified with different precision and scales e.g. decimal(10,5),
as opposed to other data types which can be represented by constant strings.
The regex matches only the {@link serdeConstants#DECIMAL_TYPE_NAME} prefix of the type.
ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/Vectorizer.java