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  1. Documentation
  2. DOCS-10353

Docs for SERVER-29073: Allow variable definition within $lookup

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    • Type: Icon: Task Task
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 3.5.9
    • Affects Version/s: None
    • Component/s: None
    • Labels:
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      Documentation Request Summary:

      This ticket introduces the "let" option to $lookup. It allows for declaration of variables with aggregation Expression as values. The documentation for this should be written alongside other $lookup enhancements being made under https://jira.mongodb.org/browse/PM-738

      Engineering Ticket Description:

      Make these variables available to aggregation expressions in sub-pipelines

            Assignee:
            kay.kim@mongodb.com Kay Kim (Inactive)
            Reporter:
            emily.hall Emily Hall
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              Created:
              Updated:
              Resolved:
              6 years, 32 weeks, 2 days ago