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  1. Core Server
  2. SERVER-688

Support merging into an existing collection with MapReduce

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    • Icon: New Feature New Feature
    • Resolution: Duplicate
    • Icon: Major - P3 Major - P3
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    Description

      Could have a flag merge=update or merge=rereduce, depending on if you want to ignore the original value or combine it with the new one. Could also take a function there if you need something custom like age-out.

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            eliot Eliot Horowitz (Inactive)
            mathias@mongodb.com Mathias Stearn
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