public static AcidOperationalProperties getDefault() {
      AcidOperationalProperties obj = new AcidOperationalProperties();
      obj.setSplitUpdate(true);
      obj.setHashBasedMerge(false);
      obj.setInsertOnly(false);
      return obj;
    }
Returns an acidOperationalProperties object that represents default ACID behavior for tables
that do no explicitly specify/override the default behavior.
@return the acidOperationalProperties object.
ql/src/java/org/apache/hadoop/hive/ql/io/AcidUtils.java