if (key != null) {
// Set up qualifier to look for the row with key value in column[0]
qualifiers = new Qualifier[1][];
qualifiers[0] = new Qualifier[1];
qualifiers[0][0] = new UTFQualifier(0, key);
}
// open the scan, clients will do the fetches and close.
ScanController scan =
tc.openScan(