public AcidOperationalProperties setSplitUpdate(boolean isSplitUpdate) {
      return set(isSplitUpdate, SPLIT_UPDATE_BIT);
    }
Sets the split update property for ACID operations based on the boolean argument.
When split update is turned on, an update ACID event is interpreted as a combination of
delete event followed by an update event.
@param isSplitUpdate a boolean property that turns on split update when true.
@return the acidOperationalProperties object.
ql/src/java/org/apache/hadoop/hive/ql/io/AcidUtils.java