private void close(){
  DB.close(m_rs,m_pstmt);
  m_rs=null;
  m_pstmt=null;
  if (trx != null)   trx.close();
}

private void close ( ) { DB . close ( m_rs , m_pstmt ) ; m_rs = null ; m_pstmt = null ; if ( trx != null ) trx . close ( ) ; }
close rs and statement
