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  1. Core Server
  2. SERVER-93218

Allow nested $rankFusion

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    • Type: Icon: Improvement Improvement
    • Resolution: Unresolved
    • Priority: Icon: Minor - P4 Minor - P4
    • None
    • Affects Version/s: None
    • Component/s: None
    • Query Integration

      Our current input validation for $rankFusion enforces that none of the input pipelines can modify the documents or their fields in any way (eg. $project, $group etc.). Because $rankFusion gets desugared to a pipeline with stages like $group and $project that aren’t legal, nesting $rankFusion doesn't work.

      The same idea also applies to testing $scoreFusion in $rankFusion.

            Assignee:
            Unassigned Unassigned
            Reporter:
            kyra.rameshkrishna@mongodb.com Kyra Ramesh Krishna (Inactive)
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              Created:
              Updated: