Method Project

src/java/simpledb/execution/Project.java:29–32

Constructor accepts a child operator to read tuples to apply projection to and a list of fields in output tuple @param fieldList The ids of the fields child's tupleDesc to project out @param typesList the types of the fields in the final projection @param child The child operator

(List<Integer> fieldList, List<Type> typesList,
                   OpIterator child)

     * @param child     The child operator
     */
    public Project(List<Integer> fieldList, List<Type> typesList,
                   OpIterator child) {
        this(fieldList, typesList.toArray(new Type[]{}), child);
    }

    public Project(List<Integer> fieldList, Type[] types,
                   OpIterator child) {