@VisibleForTesting
  protected void rollbackAndCleanup(boolean success, Query query) {
    try {
      if (!success) {
        rollbackTransaction();
      }
    } finally {
      if (query != null) {
        query.closeAll();
      }
    }
  }
This is a cleanup method which is used to rollback a active transaction
if the success flag is false and close the associated Query object. This method is used
internally and visible for testing purposes only
@param success Rollback the current active transaction if false
@param query Query object which needs to be closed
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java