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  1. Core Server
  2. SERVER-32934

Full document replacement can change type of _id

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    • Query Execution
    • ALL
    • v3.6
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      > db.c.insert({_id: 1})
      		 
      WriteResult({ "nInserted" : 1 })
      		 
      > db.c.update({_id: 1}, {_id: NumberDecimal(1)})
      		 
      WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 1 })
      		 
      > db.c.find()
      		 
      { "_id" : NumberDecimal("1.00000000000000") }

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      > db.c.insert({_id: 1}) WriteResult({ "nInserted" : 1 }) > db.c.update({_id: 1}, {_id: NumberDecimal(1)}) WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 1 }) > db.c.find() { "_id" : NumberDecimal("1.00000000000000") }
    • Query 2018-02-12, QO 2023-02-20

    Description

      Full document replacement can change the type of immutable fields in 3.6. It cannot change the value. Modifier-style updates cannot change the type.

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          Bug - A problem which impairs or prevents the functions of the product. SERVER-32952 applyOps does not validate updates

          • Major - P3 - Major loss of function.
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              backlog-query-execution Backlog - Query Execution
              benety.goh@mongodb.com Benety Goh
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