public int getRow() throws SQLException {
        checkState();

        return rs.getRow();
    }
Retrieves the current row number.  The first row is number 1, the
second is number 2, and so on.

@return the current row number; <code>0</code> if there is no current row
@throws SQLException if a database access error occurs
           or this rowset does not currently have a valid connection,
           prepared statement, and result set
src/main/java/org/replicadb/rowset/sun/rowset/JdbcRowSetImpl.java