Thanks for your reply! I thought in that case a new row would be inserted with a new timestamp and cassandra will report the new row. But how this will affect my range query?
On Wed, Jul 28, 2010 at 7:03 PM, Benjamin Black <b...@b3k.us> wrote: > If you write new data with a key that is already present, the existing > columns are overwritten or new columns are added. There is no way to > cause a duplicate key to be inserted. > > On Wed, Jul 28, 2010 at 6:16 PM, Rana Aich <aichr...@gmail.com> wrote: > > Hello, > > I was wondering what may the pitfalls in Cassandra when the Key value is > not > > UNIQUE? > > Will it affect the range query performance? > > Thanks and regards, > > raich > > > > >