On Tue, Mar 15, 2011 at 5:46 PM, buddhasystem <potek...@bnl.gov> wrote: > Sorry for the rather primitive question, but it's not clear to me if I need > to fetch the whole row, add a column as a dictionary entry and re-insert it > if I want to expand the row by one column. Help will be appreciated. > > > -- > View this message in context: > http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Is-column-update-column-atomic-or-row-atomic-tp6174445p6174445.html > Sent from the cassandra-u...@incubator.apache.org mailing list archive at > Nabble.com. >
No. In Cassandra you do not need to read to write. You should try to avoid it if possible.