Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-22497

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

    XMLWordPrintable

Details

    • Improvement
    • Status: Backlog
    • Major - P3
    • Resolution: Unresolved
    • None
    • None
    • Aggregation Framework
    • Fully Compatible

    Description

      Example Query

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

      Attachments

        Issue Links

          is related to

          New Feature - A new feature of the product, which has yet to be developed. SERVER-58411 Deep find nested objects in return documents.

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-27314 Only validate "from" pipeline structure once for $lookup

          • Major - P3 - Major loss of function.
          • Closed

          Activity

            People

              Votes:
              24 Vote for this issue
              Watchers:
              35 Start watching this issue

              Dates

                Created:
                Updated: