On Tue, Jul 20, 2010 at 2:58 PM, Alex Yiu <bigcontentf...@gmail.com> wrote: > Say, I have a row that has 3 columns already: colA, colB and colC > And, if two *concurrent* clients perform a different insert(...) into the > same row, > one insert is for colD and the other insert is for colE. > Then, Cassandra would guarantee both columns will be added to the same row. > Is that correct?
Yes. > That is, insert(...) of a column does NOT involving reading and rewriting > other existing columns of the same row? Right. > If that is the case, I guess we should change the wording from "insert" to > "insert or update" in the wiki doc That would be a good change. (Click "Login" to create an account.) -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
