But you will get all the keys, right? I want to get all the keys, but I don't care about the order.
On Sun, May 9, 2010 at 3:25 PM, Shinpei Ohtani <shinpei.oht...@gmail.com>wrote: > Hi, > > > If you use random partitioning, you can loop through all keys with a > range > > query, but they will not be sorted. > > > > True or False? > > I think they will be sorted in a way of MD5 hash if you use > RandomPartitioner, > at least I looked into SSTables and RandomPartitioner#getToken. > > On Sun, May 9, 2010 at 4:00 PM, David Boxenhorn <da...@lookin2.com> wrote: > > This is something that I'm not sure that I understand. Can somebody > > confirm/deny that I understand it? Thanks. > > > > If you use random partitioning, you can loop through all keys with a > range > > query, but they will not be sorted. > > > > True or False? > > > > On Sat, May 8, 2010 at 3:45 AM, AJ Chen <ajc...@web2express.org> wrote: > >> > >> thanks, that works. -aj > >> > >> On Fri, May 7, 2010 at 1:17 PM, Stu Hood <stu.h...@rackspace.com> > wrote: > >>> > >>> Your IPartitioner implementation decides how the row keys are sorted: > see > >>> http://wiki.apache.org/cassandra/StorageConfiguration#Partitioner . > You need > >>> to be using one of the OrderPreservingPartitioners if you'd like a > >>> reasonable order for the keys. > >>> > >>> -----Original Message----- > >>> From: "AJ Chen" <ajc...@web2express.org> > >>> Sent: Friday, May 7, 2010 3:10pm > >>> To: user@cassandra.apache.org > >>> Subject: key is sorted? > >>> > >>> I have a super column family for "topic", key being the name of the > >>> topic. > >>> <ColumnFamily Name="Topic" CompareWith="UTF8Type" ColumnType="Super" > >>> CompareSubcolumnsWith="BytesType" /> > >>> When I retrieve the rows, the rows are not sorted by the key. Is the > row > >>> key > >>> sorted in cassandra by default? > >>> > >>> -aj > >>> -- > >>> AJ Chen, PhD > >>> Chair, Semantic Web SIG, sdforum.org > >>> http://web2express.org > >>> twitter @web2express > >>> Palo Alto, CA, USA > >>> > >>> > >> > >> > >> > >> -- > >> AJ Chen, PhD > >> Chair, Semantic Web SIG, sdforum.org > >> http://web2express.org > >> twitter @web2express > >> Palo Alto, CA, USA > > > > > > > > -- > ============================= > Shinpei Ohtani > mail : shinpei.oht...@gmail.com > blog : http://d.hatena.ne.jp/shot6/ > twitter : http://twitter.com/shot6 > ============================= >
