Not that I know of. Can you share some more information on you application, you may be able to design your way around it by denormalising.
Aaron On 17/01/2011, at 5:22 AM, Michael Fortin <mi...@m410.us> wrote: > From what I can tell, get_count(), returns the total number of columns, is > there a way to get the count on a slice? The docs for Counters also doesn't > make any references to slices either. > > On Jan 12, 2011, at 4:07 PM, Aaron Morton wrote: > >> There is a get_count() API function http://wiki.apache.org/cassandra/API , >> it's going to count the columns in a row or row+super column. This function >> is available in me.prettyprint.cassandra.service.KeyspaceService. >> >> There are distributed counters submitted to the trunk >> http://wiki.apache.org/cassandra/Counters but these are not in the recent >> 0.7 release. I lost track of things over the holidays, perhaps someone else >> knows when these are scheduled to go public. >> >> Aaron >> >> On 13 Jan, 2011,at 09:12 AM, Michael Fortin <mi...@m410.us> wrote: >> >>> I was working on a schema that looks something like this: >>> >>> HitFamily [UUID 1] ['user-agent'] = '…' >>> HitFamily [UUID 1] ['referer'] = '…' >>> HitFamily [UUID 1] ['client_id'] = Long >>> … >>> >>> HitCountFamily [client_id as Long] [Current Date as Long] = UUID1 >>> >>> >>> What I'd like to do is count the columns between a date rage without >>> returning them. Is it possible to get a count of rows in a slice? Looking >>> at hector and thrift there doesn't seem to be a way to do that. How have >>> other handled this? >>> >>> Thanks, >>> >
