A digest query is about making 1 digests for many columns, not 1 digest per column. If it were 1 digest per column, then yes, the timestamp would be an option.
-- Sylvain On Mon, Apr 2, 2012 at 4:25 PM, Jonathan Ellis <jbel...@gmail.com> wrote: > Look at Column.reconcile. > > On Mon, Apr 2, 2012 at 9:17 AM, Nicolas Romanetti <romane...@gmail.com> wrote: >> Hello, >> >> Why does the digest read response include a hash of the column value? Isn't >> the timestamp sufficient? >> >> May be an answer: >> Is the value hash computed to cope with (I presume rare) race condition >> scenario where 2 nodes would end up with same col. name and same col. >> timestamp but with a different col. value ? >> But then I wonder how to decide which value wins! >> >> Sincerely, >> >> Nicolas. > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of DataStax, the source for professional Cassandra support > http://www.datastax.com