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  1. Core Server
  2. SERVER-22497

Allow from field of $lookup and $graphLookup to be an expression

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    • Type: Icon: Improvement Improvement
    • Resolution: Unresolved
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Aggregation Framework
    • Labels:
    • Query Optimization
    • Fully Compatible

      Example Query
      {
    $lookup: {
        from: "$foo.collectionName",
        localField: "foo.ref",
        foreignField: "bar",
        as: "foo"
    }
}

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              Created:
              Updated: