Method open

src/java/simpledb/execution/SeqScan.java:94–100

()

    }

    public void open() throws DbException, TransactionAbortedException {
        // some code goes here
        DbFile dbFile = Database.getCatalog().getDatabaseFile(this.tableId);
        DbFileIterator iterator = dbFile.iterator(this.transactionId);
        this.dbFileIterator =  iterator;
        iterator.open();
    }

    /**
     * Returns the TupleDesc with field names from the underlying HeapFile,