> But you will get all the keys, right? Yes.
On Sun, May 9, 2010 at 9:45 PM, David Boxenhorn <da...@lookin2.com> wrote: > 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 >> ============================= > > -- ============================= Shinpei Ohtani mail : shinpei.oht...@gmail.com blog : http://d.hatena.ne.jp/shot6/ twitter : http://twitter.com/shot6 (japanese) http://twitter.com/shinpei_ohtani (english) =============================
