Ah ok, so i have to build a hash index to get all relevant data sets first, than cassa performs the range scan.
Good to know, thx a lot! :o) 2010/11/14 Jonathan Ellis <jbel...@gmail.com> > Because 0.7.0 indexes are more like a Hash index than a B-tree. > > On Sun, Nov 14, 2010 at 12:39 PM, André Fiedler > <fiedler.an...@googlemail.com> wrote: > > Ok, i read this before. Could you explain (short) why i have to do this? > In > > my opinion it isn't necessary, i want to understand why it is. ;o) > > thx André! > > > > 2010/11/14 Nate McCall <n...@riptano.com> > >> > >> You must have a clause with an EQ operator on an indexed column present. > >> See: > >> http://wiki.apache.org/cassandra/API07#IndexClause > >> and: > >> http://wiki.apache.org/cassandra/API07#get_indexed_slices > >> > >> For more details. > >> > >> > >> > >> On Sun, Nov 14, 2010 at 12:09 PM, André Fiedler > >> <fiedler.an...@googlemail.com> wrote: > >> > Hi, i wrote a question on the phpcassa group, but i think its more > >> > cassandra > >> > related. Would be nice, if you get some time and take a look: > >> > > >> > > http://groups.google.com/group/phpcassa/browse_thread/thread/1b6acb5f7dccb94f > >> > greetings André > > > > > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com >
