如何查询 MongoDB 中的值和数组

Question

Can anyone help me with a Mongodb query for following

{[
   "_id" : ObjectId("5c92ba9d36de59bd9de063a4"),
   "StudentName" : "Robert",
   "StudentAge" : 21,
   "StudentCountryName" : "UK",
   "StudentHobby" : [
      "Teaching",
      "Photography"
   ]
}

Want to search students with hobby as Teaching .

If possible can come someone provide Spring Data MongoDB equivalent or native query is also fine which can be executed in mongodb compass

Answer 1

You can try this, I hope it work

let student = await this.students.findOne({"StudentHobby":{"$in":["Teaching"]}})