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https://issues.apache.org/jira/browse/CASSANDRA-2833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis resolved CASSANDRA-2833.
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Resolution: Won't Fix
> CounterColumn should have an optional binary field so that double can be
> incremented/decremented along with long
> ----------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-2833
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2833
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Joe Stein
>
> Currently CounterColumn only has a long making it not feasible to track
> increment/decrement of durations or other values common to analytics
> represented as a double
> The change I am proposing to implement, after some discussions/advice in the
> irc to issues raised, is to add a new optional binary field to CounterColumn
> (thrift). I was thinking we could call it *operand*
> Under the hood (src/java/org/apache/cassandra/db/CounterColumn.java) I would
> handle things with byte[] moving between long and double as internal helper
> functions with case switch on type of operand we are setting.... might also
> need an optional enum for type perhaps too so the client can let the server
> know how it should materialize the bytes for when it += the value stored
> The clients should continue to work as expected and folks looking to use this
> can just do so.
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