How to use dot in field name?

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You can replace dot symbols of your field name to Unicode equivalent of \uff0E

db.test.insert({"field\uff0ename": "test"})
db.test.find({"field\uff0ename": "test"}).forEach(printjson)
{ "_id" : ObjectId("5193c053e1cc0fd8a5ea413d"), "field．name" : "test" }

See more:

  1. http://docs.mongodb.org/manual/faq/developers/#faq-dollar-sign-escaping
  2. http://docs.mongodb.org/manual/core/document/#dot-notation

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