public HeapFileIterator(TransactionId tid, HeapFile file) {
_transactionId = tid;
_file = file;
_currentPageId = 0;
_numPages = _file.numPages();
// System.out.println("numpages "+_numPages);
}
private Page readPage(int pageNumber)
throws DbException, TransactionAbortedException, IOException {
// File == table because we do one file per table
// System.out.println("readpage:"+_file.id()+" page:"+pageNumber);
int tableId = _file.id();
int pageId = pageNumber;
// System.out.println("Page is now "+pageNumber);
HeapPageId pid = new HeapPageId(tableId, pageId);
return Database.getBufferPool().getPage(_transactionId, pid, Permissions.READ_ONLY);
}
