Gerrit Jansen van Vuuren created CASSANDRA-8753:
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             Summary: Support UPDATE IF NOT EXIST OR compare checks in LWT 
transactions
                 Key: CASSANDRA-8753
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8753
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Gerrit Jansen van Vuuren


I've got a column that I want to update e.g  min = x IF min > x
but if there is no value for min e.g min == null then the update will never 
succeed, which means I need to do a READ then INSERT and then run UPDATES which 
defies the purpose of using the LWT for this use case.
is it possible for LWT to support either IF min > x OR min == null ?  or 
otherwise take null as equal to zero for numbers ?




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