You do any kind of range slice, e.g. keys beginning with "abc"? But the results will not be ordered?
Please answer one of the following: True True True False False False Explain? Thanks! On Sun, May 9, 2010 at 8:27 PM, Vijay <vijay2...@gmail.com> wrote: > True, The Range slice support was enabled in Random Partitioner for the > hadoop support. > > Random partitioner actually hash the Key and those keys are sorted so we > cannot have the actual key in order.... (Hope this doesnt confuse you)... > > Regards, > </VJ> > > > > On Sun, May 9, 2010 at 12:00 AM, 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 >>> >> >> >
