public void startTransaction() throws SQLException {
  final boolean isAutoCommit=m_connection.getAutoCommit();
  if (isAutoCommit) {
    m_connection.setAutoCommit(false);
    m_returnAutoCommit=true;
  }
}

public void startTransaction ( ) throws SQLException { final boolean isAutoCommit = m_connection . getAutoCommit ( ) ; if ( isAutoCommit ) { m_connection . setAutoCommit ( false ) ; m_returnAutoCommit = true ; } }
turn off autocommit . if autocommit was previously on , it will be returned to on when calling close ( )
