byte[] key = ByteUtil.copyKeyBytesIfNecessary(ptr);
// No need to take into account column modifier, because ROUND
// always forces the value to be in ascending order
PDataCodec codec = getKeyRangeCodec(type);
int offset = ByteUtil.isInclusive(op) ? 1 : 0;
long value = codec.decodeLong(key, 0, null);
byte[] nextKey = new byte[type.getByteSize()];
switch (op) {
case EQUAL:
// If the value isn't evenly divisible by the div amount, then it
// can't possibly be equal to any rounded value. For example, if you