Method Tuple

src/java/simpledb/storage/Tuple.java:37–41

Create a new tuple with the specified schema (type). @param td the schema of this tuple. It must be a valid TupleDesc instance with at least one field.

(TupleDesc td)

     *            instance with at least one field.
     */
    public Tuple(TupleDesc td) {
        // some code goes here
        this.tupleDesc = td;
        this.fieldList = new ArrayList<>(td.numFields());
    }

    /**
     * @return The TupleDesc representing the schema of this tuple.