private void insertIdTimestampRows(String tableName, int low, int hi,
Timestamp ts) throws SQLException {
LOG.info("Inserting id rows in [" + low + ", " + hi + ") @ " + ts);
SqoopOptions options = new SqoopOptions();
options.setConnectString(SOURCE_DB_URL);
HsqldbManager manager = new HsqldbManager(options);
Connection c = manager.getConnection();
PreparedStatement s = null;
try {
s = c.prepareStatement("INSERT INTO " + tableName + " VALUES(?,?)");
for (int i = low; i < hi; i++) {
s.setInt(1, i);