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  1. Core Server
  2. SERVER-48890

allow $addFields with empty document and have it be a no-op

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    • Fully Compatible
    • v4.4, v4.2, v4.0
    • Query 2020-10-19, Query 2020-11-02, Query 2020-11-16

    Description

      For programatic populating of $addFields (in update pipeline for instance) it would help if (becoming consistent with SERVER-38909) we would allow empty document rather than error "Invalid $addFields :: caused by :: specification must have at least one field"

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              betty.shen@mongodb.com Betty Shen
              asya.kamsky@mongodb.com Asya Kamsky
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