private boolean checkforMatchColumn(Joinable rs) throws SQLException {
  int[] i=rs.getMatchColumnIndexes();
  if (i.length <= 0) {
    return false;
  }
  return true;
}

private boolean checkforMatchColumn ( Joinable rs ) throws SQLException { int [ ] i = rs . getMatchColumnIndexes ( ) ; if ( i . length <= 0 ) { return false ; } return true ; }
this checks for a match column for whether it exists or not .
