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  1. Core Server
  2. SERVER-40381

Add the ability to specify a pipeline to an update command

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    • Fully Compatible
    • Query 2019-04-08, Query 2019-04-22

    Description

      Extend the update command to take an object or an array:

      {
         update: <collection>,
         updates: [
            { q: <query>, u: <update obj OR update pipeline>, upsert: <boolean>,
              multi: <boolean>, collation: <document>, arrayFilters: <array> },
            { q: <query>, u: <update obj OR update pipeline>, upsert: <boolean>,
              multi: <boolean>, collation: <document>, arrayFilters: <array> },
            ...
         ],
         ordered: <boolean>,
         writeConcern: { <write concern> },
         bypassDocumentValidation: <boolean>
      }
      

      For this task, the only supported stages will be $addFields, $project, and $replaceRoot.

      For this task, we should ban other options such as 'collation', 'bypassDocumentValidation', 'writeConcern', 'arrayFilters'. All except 'arrayFilters' will eventually be supported, but will be tracked by separate tickets.

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              james.wahlin@mongodb.com James Wahlin
              charlie.swanson@mongodb.com Charlie Swanson
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