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  1. Core Server
  2. SERVER-37429

$avg of Infinity and null is NaN on debug builds

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    • Query Optimization
    • Fully Compatible
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      MongoDB Enterprise > db.test.find()
{ "_id" : 1, "a" : Infinity }
{ "_id" : 2, "a" : null }
MongoDB Enterprise > db.test.aggregate([{$group:{_id: null, num:{$avg:"$a"}}}])
{ "_id" : null, "num" : NaN } // debug build
{ "_id" : null, "num" : Infinity } // non-debug build, correct behavior.
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      MongoDB Enterprise > db.test.find() { "_id" : 1, "a" : Infinity } { "_id" : 2, "a" : null } MongoDB Enterprise > db.test.aggregate([{$group:{_id: null, num:{$avg:"$a"}}}]) { "_id" : null, "num" : NaN } // debug build { "_id" : null, "num" : Infinity } // non-debug build, correct behavior.
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          Assignee:
          c.alonso@mongodb.com Carlos Alonso Pérez
          Reporter:
          robert.guo@mongodb.com Robert Guo (Inactive)
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