Benjamin Roth created CASSANDRA-13293:
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             Summary: MV read-before-write can be omitted for some operations
                 Key: CASSANDRA-13293
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13293
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Benjamin Roth


A view that has the same fields in the primary key as its base table (i call it 
a congruent key), does not require read-before-writes except:

- Range deletes
- Partition deletes

If the view uses filters on non-pk columns either a rbw is required or a write 
that does not match the filter has to be turned into a delete. In doubt I'd 
stay with the current behaviour and to a rbw.



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