The multi-level dictionary explanation holds. Regex on keys like that is something specific language implementations support, not something inherent in a dictionary data structure. The table model is particularly fraught because it drags in a lot of relational assumptions, none of which hold. And I am not suggesting renaming anything :)
b On Fri, Apr 16, 2010 at 3:08 PM, Jonathan Ellis <jbel...@gmail.com> wrote: > On Mon, Apr 12, 2010 at 9:48 AM, Colin Yates <colin.ya...@gmail.com> wrote: >> I was hoping I could do a get_range_slices specifying 'project*' for the >> columnFamily and a keyRange start: 20100107, end:20100109 but I >> get an error 'InvalidRequestException(why:unconfigured columnfamily >> project*)'. > > I think you've been misled by the "think of Cassandra as a multi-level > hash" explanations; you can't wildcard ColumnFamilies like that. (I > personally think that the model of "a columnfamily is like a table, > except that its rows can contain nested columns [supercolumns]" is > more useful.) > > -Jonathan >
