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  1. Core Server
  2. SERVER-14466

Support projecting the $id or $ref for a DBRef() field

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    • Minor Change
    • Query 2019-11-18, Query 2019-12-02
    • 39

    Description

      DBRef fields are only supported as passthrough values. It would be useful to be able to extract the $id and $ref values for manipulation in a pipeline.

      *edit* it's also possible to use full DBRef values for comparisons.

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. SERVER-22005 Aggregation pipeline does not allow references to DBRef fields

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-34992 FieldPath field names may not start with '$'.

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

          Task - A task that needs to be done. SERVER-43129 Test $elemMatch projection of DBRef fields ($id, $ref, $db)

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-30417 add expression to get value by keyname from object

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-30365 How to exclude (sub)fields starting with $ in a query projection

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-8436 Aggregation pipeline cannot process system.profile doc fields with $ prefixes

          • Minor - P4 - Minor loss of function, or other problem where easy workaround is present.
          • Backlog

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                Updated:
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