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  1. Core Server
  2. SERVER-36381

Serialize $out to old format if featureCompatibilityVersion is "4.0"

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    • Fully Compatible
    • Query 2018-09-10

    Description

      By "old format", I mean the format described here, where only a string with the name of the output collection is specified. This allows a binary version 4.2 mongod to play nicely with binary version 4.0 mongod servers in a mixed-version cluster. If any 4.2-only options are specified, an error should be thrown.

      As part of this ticket, we'll write tests for $out in the multiversion suite.

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              charlie.swanson@mongodb.com Charlie Swanson
              kyle.suarez@mongodb.com Kyle Suarez
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