> > For (2), we would love to see: > UPSERT value=new_value where (not exists || value=read_value) >
That would be something like "UPDATE … IF column=value OR NOT EXISTS“. Took at the C* source and that feels like a LHF (for 3.0) so I opened https://issues.apache.org/jira/browse/CASSANDRA-8335 for that. Fell free to comment on that :)
