Re: Retrieving TimeUUID sub-columns in reverse order

2010-12-26 Thread Jonathan Ellis
Better would be to just reverse client-side. On Sun, Dec 26, 2010 at 10:35 PM, Roshan Dawrani wrote: > Thanks, but unfortunately, I need to fetch multiple super columns - each > super column represents a particular "state" and as entities transition from > one state to another, they move from one

Re: Retrieving TimeUUID sub-columns in reverse order

2010-12-26 Thread Roshan Dawrani
Thanks, but unfortunately, I need to fetch multiple super columns - each super column represents a particular "state" and as entities transition from one state to another, they move from one super column to another. So, there is no way currently I can retrieve multiple super columns with their sub

Re: Retrieving TimeUUID sub-columns in reverse order

2010-12-26 Thread Jonathan Ellis
If you are fetching multiple supercolumns, then that's what you can control the order of. If you are slicing within a single supercolumn, the reverse parameter will affect the order of subcolumns. On Sun, Dec 26, 2010 at 6:11 AM, Roshan Dawrani wrote: > Hi Ran, > I am not doing it the YAML way.

Re: Retrieving TimeUUID sub-columns in reverse order

2010-12-26 Thread Roshan Dawrani
Hi Ran, I am not doing it the YAML way. I am defining my SCF through Hector API as below ThriftCfDef cfDef = HFactory.createColumnFamilyDefinition(ksName, "SCF") cfDef.setColumnMetadata(...) cfDef.setColumnType(ColumnType.SUPER) cfDe

Re: Retrieving TimeUUID sub-columns in reverse order

2010-12-26 Thread Ran Tavory
Roshan, in cassandra.yaml did you define compare_subcolumns_with for the SCF? The subcolumn names are the timeuuid, not the subcolumn values, right? On Sun, Dec 26, 2010 at 9:14 AM, Roshan Dawrani wrote: > Hi, > > I have a super ColumnFamily that has a few super columns, with each having > a gro

Retrieving TimeUUID sub-columns in reverse order

2010-12-25 Thread Roshan Dawrani
Hi, I have a super ColumnFamily that has a few super columns, with each having a growing list of sub-columns where column name is a TimeUUID, so the sub-columns get stored chronologically (oldest to newest) When I retrieve this data, can I somehow retrieve the sub-columns in reverse order - newes