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  1. Core Server
  2. SERVER-30547

$dateFromParts should accept an object from another expression

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      Currently $dateFromParts only accepts explicit objects with required fields. It should be able to accept an expression as long as expression evaluates to an object with the required fields.

      This way a date can round trip through $dateToParts and $dateFromParts and end up as the same value (which would have caught SERVER-30524, incidentally).

      date == {$dateFromParts:{$dateToParts:{date:"$date"}}}
      

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              backlog-query-optimization Backlog - Query Optimization
              asya.kamsky@mongodb.com Asya Kamsky
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