Allow nested $scoreFusion

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    • Type: Task
    • Resolution: Won't Fix
    • Priority: Minor - P4
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    • Affects Version/s: None
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    • Query Integration
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      Our current input validation for $scoreFusion enforces that none of the input pipelines can modify the documents or their fields in any way (eg. $project, $group etc.). Because $scoreFusion gets desugared to a pipeline with stages like $group and $project that aren’t legal, nesting $scoreFusion doesn't work.

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

              Assignee:
              Unassigned
              Reporter:
              Charlie Swanson
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                Created:
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