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  1. Spymemcached Java Client
  2. SPY-77

incr/decr can overflow the long return type


    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.7.3
    • Fix Version/s: 2.8.2
    • Component/s: library
    • Security Level: Public
    • Labels:
    • Environment:


      I'm currently using the Couchbase Server 2.0 Developer Preview, but I think what I am seeing is the same as Membase Server.
      I'm using spymemcached in Java and I'd like to be able to increase a numeric key and return the new value. This works when the numbers are small as the result of the asyncIncr method fits into a Long, but when it doesn't Java overflows the Long and I end up with negative numbers. I can retrieve the correct (positive) value by doing a normal get as it returns the value as a String.
      Is it possible to retrieve the result of asyncIncr as a String as to prevent this problem?
      I'd also like to ask why negative numbers aren't supported and if there is a standard way to achieve this functionality by using an offset in my application code?


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          • Assignee:
            mikew Mike Wiederhold
            mikew Mike Wiederhold
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