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  1. Core Server
  2. SERVER-12125

indexed elemMatch query incorrectly matches non-array field

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Done
    • 2.5.5
    • 2.5.5
    • Querying
    • git hash 6902c6b643f645613f231bcde4bf2b1a86f63c21
    • Fully Compatible
    • ALL

    Description

      Using a collection with these documents:

      {a: 4}
      		 
      {a: [4]}

      and index:

      {a: 1}

      The query

      {a: ${elemMatch: {$gt: 3}}}

      is returning both documents when it should match only

      {a: [4]}

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            benety.goh@mongodb.com Benety Goh
            benety.goh@mongodb.com Benety Goh
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            Dates

              Created:
              Updated:
              Resolved: