No, this is currently not possible. This is something that is likely technically feasible with the LWT mechanism but it is not currently supported (and, for info, is not on anyone short term todo list as far as I know).
Sorry. On Tue, Apr 5, 2016 at 10:51 AM, Priyanka Gugale <priya...@datatorrent.com> wrote: > Hi, > > Is there a possibility that we can write a cql statement which can *read a > column value and update it in same transaction* (e.g. column has value 28, > I read it add 7 to it and update column value to 35)? There are some > examples for lightweight transactions > < > http://docs.datastax.com/en/cassandra/2.0/cassandra/dml/dml_ltwt_transaction_c.html > > > but > from this I couldn't figure out how do I achieve read and update in same > statement. > > -Priyanka >
