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  1. Core Server
  2. SERVER-34613

aggregation pipeline operators for array iterations like permutations and k combinations

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    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Incomplete
    • Affects Version/s: 3.6.4
    • Fix Version/s: None
    • Component/s: Aggregation Framework
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      Description

      Currently no operations allow for combinations or permutations of grouped fields within the aggregation pipeline. MapReduce currently doesn't support multiple values returned as part of "reduce", so it's not an option at this point. However, it would best to have this implemented as part of the aggregation pipeline so that other operations can be chained like sorting.

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            Assignee:
            william.byrne William Byrne III
            Reporter:
            swatford Sean Watford
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              Updated:
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