For this case, the order doesn't matter, I just need to page over all of the data X rows at a time. When I use column_family.get_range from pycassa and pass in the last key as the new start key, I do not get all of the results. I have found a few posts about this, but I did not find a recommended implementation.
http://www.mail-archive.com/user@cassandra.apache.org/msg04827.html <http://www.mail-archive.com/user@cassandra.apache.org/msg04827.html> https://issues.apache.org/jira/browse/CASSANDRA-1042 <https://issues.apache.org/jira/browse/CASSANDRA-1042>I tried this solution, but this does not return all of the results. http://www.mail-archive.com/user@cassandra.apache.org/msg05042.html cheers, --r2 <http://www.mail-archive.com/user@cassandra.apache.org/msg05042.html> On Tue, Oct 19, 2010 at 3:33 PM, Tyler Hobbs <ty...@riptano.com> wrote: > I don't think I understand what you're trying to do. Do you want to page > over the whole column > family X rows at a time? Does it matter if the rows are in order? > > - Tyler > > > On Tue, Oct 19, 2010 at 5:22 PM, Robert <keyboard.opera...@gmail.com>wrote: > >> I have a similar question. Is there a way to divide this into multiple >> requests? I am using Cassandra v0.6.4, RandomPartitioner, and the pycassa >> library. >> >> Can I use get_range_slices with a start_token=0, and then recalculate the >> token from the last value key returned until it equals it loops around the >> entire ring? >> >> cheers, >> --Robert >> >> On Tue, Oct 19, 2010 at 2:02 PM, Aaron Morton <aa...@thelastpickle.com>wrote: >> >>> KeyRange as a count on it, the default is 100. >>> >>> For the ordering, double check you are using the OrderPreserving >>> partitioner It it's still out of order send an example. >>> >>> Cheers >>> Aaron >>> >>> On 20 Oct, 2010,at 09:39 AM, Wicked J <wickedj2...@gmail.com> wrote: >>> >>> Hi, >>> I inserted 500 rows (records) in Cassandra and I'm using the following >>> code to retrieve all the inserted rows. However, I'm able to get only 100 >>> rows (in a random order). I'm using Cassandra v0.6.4 with OrderPreserving >>> Partition on a single node/instance. >>> How can I get all the rows inserted? i.e. the other 400 rows. >>> >>> Thanks >>> >>> == Code == >>> >>> KeyRange keyRange = new KeyRange(); >>> keyRange.start_key = start; //1 >>> keyRange.end_key = end; //500 >>> >>> SliceRange sliceRange = new SliceRange(); >>> sliceRange.setStart(new byte[]{}); >>> sliceRange.setFinish(new byte[]{}); >>> >>> SlicePredicate slicePredicate = new SlicePredicate(); >>> slicePredicate.setSlice_range(sliceRange); >>> >>> ColumnParent columnParent = new ColumnParent(COLUMN_FAMILY); >>> keySlices = client.get_range_slices(KEYSPACE, columnParent, >>> slicePredicate, keyRange, ConsistencyLevel.ONE); >>> System.out.println("Key Slice Size="+keySlices.size()); >>> >>> >>> >>> >> >
