code: private void moveTo(long blkNum, int slot) {
  		moveFrom = currentPage.currentBlk().number(); // for deletion
  		BlockId blk = new BlockId(currentPage.currentBlk().fileName(), blkNum);
  		ccMgr.readLeafBlock(blk);
  		currentPage.close();
  		currentPage = new BTreePage(blk, NUM_FLAGS, schema, tx);
  		currentSlot = slot;
  	}
docs: Opens the page for the specified block and moves the current slot to the
  specified position.