So what you mean is essentially there is *no* way to differentiate it because what they "appear" is the same?
On Wed, Oct 17, 2012 at 5:58 PM, rohit bhatia <rohit2...@gmail.com> wrote: > See > "If you attempt to retrieve an entire row and it returns a result with > no columns, it effectively means that row does not exist." > Essentially a row without co http://stackoverflow.com/questions/8072253/is-there-a-difference-between-an-empty-key-and-a-key-that-doesnt-exist lumns doesn't exist.. (except those with tombstones) > from here > On Wed, Oct 17, 2012 at 2:17 PM, Xu Renjie <xrjxrjxrj...@gmail.com> wrote: > > Sorry for the version, I am using 1.0.1 Astyanax. > > > > > > On Wed, Oct 17, 2012 at 4:44 PM, Xu Renjie <xrjxrjxrj...@gmail.com> > wrote: > >> > >> hello guys, > >> I am currently using Astyanax as a client(new to Astyanax). But I am > >> not clear how to differentiate the following 2 situations: > >> a. A row which has only key without columns > >> b. No this row in database. > >> > >> Since when I use RowQuery to query Cassandra with given key, both the > >> above two situations will return a ColumnList > >> with size 0. And also I didn't find other api can handle this. > >> Do you have any better way for this? Thanks in advance. > >> Cheers, > >> Xu > > > > >
