try {
DotConnect db = new DotConnect();
db.setSQL("select count(*) mycount from multi_tree where parent1 =? and parent2 = ? and child = ? ");
db.addParam(inode1.getInode());
db.addParam(inode2.getInode());
db.addParam(inode3.getInode());
int count = db.getInt("mycount");