But they are different names. In my example they are: 1077e700-c7f2-11de-86d5-f5bcc793a028 1077e700-c7f2-11de-982e-6fad363d5f29
But Cassandra sees them as the same. -- John On Mar 18, 2010, at 7:17 PM, Brandon Williams wrote: On Thu, Mar 18, 2010 at 6:12 PM, John Alessi <j...@socketlabs.com<mailto:j...@socketlabs.com>> wrote: I am having an issue where Cassandra doesn't seem to be able to distinguish between 2 different UUIDs if based on the same exact time, and sorting by TimeUUID. *snip* Cassandra doesn't seem to be able to distinguish between 2 different UUIDs if based on the same exact time, and sorting by TimeUUID. What am I missing??? Column names must be distinct. If you insert two columns with the same name, one overwrites the other. -Brandon