startPos = ScanUtil.searchClosestKeyRangeWithUpperHigherThanPtr(slots.get(0), ptr, 0); endPos = ScanUtil.searchClosestKeyRangeWithUpperHigherThanPtr(slots.get(0), ptr, startPos);
startPos = ScanUtil.searchClosestKeyRangeWithUpperHigherThanPtr(slots.get(0), ptr, 0); endPos = ScanUtil.searchClosestKeyRangeWithUpperHigherThanPtr(slots.get(0), ptr, startPos);