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  1. Core Server
  2. SERVER-1854

$type not working properly with arrays

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Duplicate
    • 1.6.2
    • None
    • None
    • None
    • ALL

    Description

      > db.foo.find()

      { "_id" : ObjectId("4ca0200bfe2f0f60296390db"), "a" : 2 } { "_id" : ObjectId("4ca0200ffe2f0f60296390dc"), "a" : "3" } { "_id" : ObjectId("4ca0204afe2f0f60296390dd"), "a" : [ 1, 2, 3, 4 ] } { "_id" : ObjectId("4ca02058fe2f0f60296390de"), "a" : [ "a", "b" ] }

      Wrong:
      > db.foo.find({a : {'$type' : 1}})

      { "_id" : ObjectId("4ca0200bfe2f0f60296390db"), "a" : 2 } { "_id" : ObjectId("4ca0204afe2f0f60296390dd"), "a" : [ 1, 2, 3, 4 ] }

      (should not return the 2nd hit)

      Wrong:
      > db.foo.find({a : {'$type' : 2}})

      { "_id" : ObjectId("4ca0200ffe2f0f60296390dc"), "a" : "3" } { "_id" : ObjectId("4ca02058fe2f0f60296390de"), "a" : [ "a", "b" ] }

      (should not return the 2nd hit)

      Wrong:
      > db.foo.find({a : {'$type' : 4}})

      Returns nothing but should return the rows with the arrays.

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              Unassigned Unassigned
              yet@gmx.de Andreas Jung
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                Updated:
                Resolved: