Method BTreeFile

src/java/simpledb/index/BTreeFile.java:46–51

Constructs a B+ tree file backed by the specified file. @param f - the file that stores the on-disk backing store for this B+ tree file. @param key - the field which index is keyed on @param td - the tuple descriptor of tuples in the file

(File f, int key, TupleDesc td)

	 * @param td - the tuple descriptor of tuples in the file
	 */
	public BTreeFile(File f, int key, TupleDesc td) {
		this.f = f;
		this.tableid = f.getAbsoluteFile().hashCode();
		this.keyField = key;
		this.td = td;
	}

	/**
	 * Returns the File backing this BTreeFile on disk.