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https://issues.apache.org/jira/browse/ACCUMULO-803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Keith Turner updated ACCUMULO-803:
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Attachment: RLTest.java
> Add Reverse Logical Time as a Time Type
> ---------------------------------------
>
> Key: ACCUMULO-803
> URL: https://issues.apache.org/jira/browse/ACCUMULO-803
> Project: Accumulo
> Issue Type: Improvement
> Components: tserver
> Affects Versions: 1.5.0
> Reporter: Drew Farris
> Assignee: Drew Farris
> Priority: Minor
> Attachments: ACCUMULO-803.patch, ACCUMULO-803.patch, RLTest.java
>
>
> In a context where we are doing aggregation/combination of multiple values
> for a given key it may be useful to iterate over the values associated with
> that key in the order in which the mutations were applied (FIFO), instead of
> the FILO order that seems to occur when using {{TimeType.LOGICAL}}.
> I encountered when implemeting a checkAndPut operation that would ensure that
> the previous value was expected before putting a new value. In this case, if
> the previous value was not as expected, the mutation would be ignored.
> Perhaps it is useful in a general case?
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