Re: atomicity of a row write

2012-01-24 Thread Sylvain Lebresne
On Mon, Jan 23, 2012 at 9:20 PM, Guy Incognito wrote: > hi all, > > having read: http://wiki.apache.org/cassandra/FAQ#batch_mutate_atomic > > i would like some clarification: > > is a write to a single row key in a single column family atomic in the sense > that i can do a batch mutate where i > >

atomicity of a row write

2012-01-23 Thread Guy Incognito
hi all, having read: http://wiki.apache.org/cassandra/FAQ#batch_mutate_atomic i would like some clarification: is a write to a single row key in a single column family atomic in the sense that i can do a batch mutate where i 1) write col 'A' to key 'B' 2) write 'col 'C' to key 'B' and eithe