Method openBTreeFile

src/java/simpledb/index/BTreeUtility.java:423–429

Opens a BTreeFile and adds it to the catalog. @param cols number of columns in the table. @param f location of the file storing the table. @param keyField the field the B+ tree is keyed on @return the opened table.

(int cols, File f, int keyField)

	 * @return the opened table.
	 */
	public static BTreeFile openBTreeFile(int cols, File f, int keyField) {
		// create the BTreeFile and add it to the catalog
		TupleDesc td = Utility.getTupleDesc(cols);
		BTreeFile bf = new BTreeFile(f, keyField, td);
		Database.getCatalog().addTable(bf, UUID.randomUUID().toString());
		return bf;
	}

	public static BTreeFile openBTreeFile(int cols, String colPrefix, File f, int keyField) {
		// create the BTreeFile and add it to the catalog