Mark a page in this BTreeFile as empty. Find the corresponding header page (create it if needed), and mark the corresponding slot in the header page as empty. @param tid - the transaction id @param dirtypages - the list of dirty pages which should be updated with all new dirty pages @param emptyPag
(TransactionId tid, HashMap<PageId, Page> dirtypages, int emptyPageNo)
source not stored for this graph (policy: none)