Method open

src/java/simpledb/storage/DbFileIterator.java:16–16

Opens the iterator @throws DbException when there are problems opening/accessing the database.

()

     * @throws DbException when there are problems opening/accessing the database.
     */
    void open()
        throws DbException, TransactionAbortedException;

    /** @return true if there are more tuples available, false if no more tuples or iterator isn't open. */