Method filter

src/java/simpledb/execution/JoinPredicate.java:46–49

Apply the predicate to the two specified tuples. The comparison can be made through Field's compare method. @return true if the tuples satisfy the predicate.

(Tuple t1, Tuple t2)

     * @return true if the tuples satisfy the predicate.
     */
    public boolean filter(Tuple t1, Tuple t2) {
        // some code goes here
        return t1.getField(field1).compare(op,t2.getField(field2));
    }
    
    public int getField1()
    {