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  1. Core Server
  2. SERVER-26598

conditionally push $match before $addFields in aggregation pipeline

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.5.2
    • Component/s: Aggregation Framework
    • Labels:
    • Backwards Compatibility:
      Fully Compatible
    • Backport Requested:
      v3.4
    • Sprint:
      Query 2017-01-23
    • Case:

      Description

      $addFields is a new stage for 3.4 for aggregation and the same optimization that was made for some $project in SERVER-19153 should be made for $addFields.

      (i.e. if $match is not on fields that are created/involved in $addFields then it can go before $addFields).

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          Issue Links

          is documented by

          Improvement - An improvement or enhancement to an existing feature or task. DOCS-9798 Document that $match can be conditionally pushed before $addFields in an aggregation pipeline

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-25510 Differentiate between Inclusion and Computed projections.

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

          New Feature - A new feature of the product, which has yet to be developed. SERVER-19153 Conditionally push $match before $project

          • Critical - P2 - Crashes, loss of data, severe memory leak.
          • Closed

            Activity

              People

              Assignee:
              kyle.suarez Kyle Suarez
              Reporter:
              asya Asya Kamsky
              Participants:
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                Dates

                Created:
                Updated:
                Resolved: