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  1. Core Server
  2. SERVER-38124

executing the expression in a field

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    • Type: Icon: Bug Bug
    • Resolution: Duplicate
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Aggregation Framework
    • None
    • Query
    • ALL
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      db.submissions.aggregate([
    { $addFields: { 
          "ftpath": {
              $let: {
                 vars: {
                    "identifier": \{$ifNull: ["$requests.Certification.identifiers.Certification.id", ""]},
 },
                  in: \{$concat: [{ $literal: "$outputs." }, "$$identifier", ".response.value.FileType"]}
 }
 },
 "ftval": // I want to evaluate 'ftpath' which has "$outputs.123456.response.value.FileType" init. assign the value to ftval
 } 
 }
])
      Show
      db.submissions.aggregate([     { $addFields: {           "ftpath" : {               $let: {                  vars: {                     "identifier" : \{$ifNull: [ "$requests.Certification.identifiers.Certification.id" , ""]}, },                   in: \{$concat: [{ $literal: "$outputs." }, "$$identifier" , ".response.value.FileType" ]} } }, "ftval" : // I want to evaluate 'ftpath' which has "$outputs.123456.response.value.FileType" init. assign the value to ftval } } ])

      I want to use a field which has expression within it.

      like ftpath = "$outputs.123456.response.value.FileType"

      I want execute the value inside $ftpath.

            Assignee:
            backlog-server-query Backlog - Query Team (Inactive)
            Reporter:
            nburuzul naresh buruzula
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              Created:
              Updated:
              Resolved: