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  1. Documentation
  2. DOCS-7461

Comment on: "manual/tutorial/model-tree-structures-with-ancestors-array.txt"

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    Description

      The result of "db.volumes.findOne(

      { topics : "voyage" }

      ,

      { title: 1 }

      )" is null. I can't find what's wrong. Please help me, thanks!

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            andrew.aldridge@mongodb.com Andrew Aldridge
            xiaofeig ???
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              Created:
              Updated:
              Resolved:
              7 years, 20 weeks, 1 day ago