docs: public int[] executeBatch(PreparedStatement stmt) throws PlatformException
      {
          // Check for Oracle batching support
          final Method methodSendBatch = (Method) m_batchStatementsInProgress.remove(stmt);
          final boolean statementBatchingSupported = methodSendBatch != null;
  
          int[] retval = null;
          if (statementBatchingSupported)
          {
              try
              {
                  // sendBatch() returns total row count as an Integer
                  methodSendBatch.invoke(stmt, null);
              }
              catch (Exception e)
              {
                  throw new PlatformException(e.getLocalizedMessage(), e);
              }
          }
          else
          {
              retval = super.executeBatch(stmt);
          }
          return retval;
      }