Cannot apply $addtoset to non-array field

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WebJul 24, 2010 · Cannot apply $addToSet modifier to non-array when I try to run User.collection.update ( {'id'=> current.id}, {'$addToSet'=> { 'following' => current.id}}) User.collection.update ( {'id'=> user.id}, {'$addToSet'=> { 'following' => user.id}}) or the mongomapper version

javascript - MongoDB help needed to update array - Stack Overflow

WebAug 15, 2012 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams WebMar 26, 2014 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams cyber security societies

com.mongodb.MongoWriteException: Cannot apply $addToSet to …

Web会产生这样的错误: Cannot apply $addToSet to a non-array field 但改成之后: db.test.update ( {name: "abc123", "config.a" : { $in : [1]} }, { $addToSet : { config: {a:1,b:2} } }, true ) It works fine. 还引用了此链接: Answer 任何人都可以解释发生了什么吗？ "config.a":1 会将 config 变成一个对象？ "config.a": {$in: [1]} 不会在哪里？最佳答案您在这里尝试 … WebFeb 3, 2024 · Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. WebDec 3, 2015 · When I run the function there is someting error Cannot apply $addToSet modifier to non-array\n this is my mongoose model var AnswerSchema = new Schema ( { audio: {type: String}, created: { type: Number }, question: { imgUrl: { type: Array }, subject: { type: String }, }, }); node.js mongodb mongoose mongodb-query Share Follow cybersecurity social media post

[SERVER-15245] findAndModify fail to addToSet a field, …

FieldDoesNotExist: ManyToManyField has no field named None

WebBut when I try $addToSet to array, I get MongoDB cannot apply $addToSet modifier to non-array. 'click a.yes': function (event) { if (Meteor.user ()) { event.preventDefault (); var postId = Session.get ('selected_post'); Posts.update (postId, {$addToSet: {users: Meteor.user ()}}); Posts.update (postId, {$inc: {'score' : 1}}); WebSep 4, 2015 · But did you read the part about "quoting" and apply it? I think you have not done that. Also, there is zero need to "cast" with Mongoose. If the field type in the schema is ObjectId then mongoose will do the "casting" for you. – cyber security social networkingWebDec 8, 2024 · Field named 'age' has non-array type int; nested exception is com.mongodb.MongoWriteException: Cannot apply $addToSet to non-array field. … cyber security soc jobs

"WebSep 12, 2014 · Steps To Reproduce: 1. create a new empty collection "users" 2. Execute the following query, should fail > db.users.findAndModify ( {query: … " - Cannot apply $addtoset to non-array field

Cannot apply $addtoset to non-array field

MongoDB’s $addToSet Operator: Using Mongo Shell and …

WebJun 1, 2024 · Is the specified value is an array in the $addToSet operator, then this operator will append the whole array as a single item. Or if you want to add items separately in the array, then use $each modifier. This operator does not work with non-array fields. If the value is a document, then MongoDB checks if the document exists or not in the array. WebMar 19, 2015 · The logic cannot work as a new document will be created whenever the array element was not found, rather than append to the array element like you want. …

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Web3. First of all, get rid of this code as you do not need it and you are actually defining a "static" signature that you are not even using: userSchema.statics.findAndModify = function (query, sort, doc, options, callback) { return this.collection.findAndModify (query, sort, doc, options, callback); } You should have a declaration for your User ... WebIf you use $addToSet on a field that is absent from the document to update, $addToSet creates the array field with the specified value as its element. Field is Not an Array If …

WebFeb 15, 2013 · 1 $addToSet will create the arr field for a doc where it doesn't exist, so what's probably happening is that you have a doc where arr exists but isn't an array. – … WebMay 31, 2011 · 1 Answer. Sorted by: 2. If you want add setting item to the Settings [] array of Application collection you should use ToBsonDocument () extention method from MongoDB.Bson namespace: var update = Update.AddToSet ("Settings", setting.ToBsonDocument ()); You no need create BsonArray. Share. Improve this …

WebAug 18, 2015 · Aug 17, 2015 at 21:48. Add a comment. 0. You should have inserted the first entry in "comments' field wrong. As this is an array you must push the object in comment array . It seems you directly assigned the comment object to "comments" field while inserting first comment. Please check the same and it will be reolved. WebApr 7, 2016 · Viewed 198 times 0 When adding a value into a array field of a class, I am getting the error given below: " Cannot apply $addToSet to a non-array field. Field named 'chat_user_ids' has a non-array type NULL in the document _id: ObjectId ('5705fd637261695baa0f0000') ".

WebIf the value is a document, MongoDB determines that the document is a duplicate if an existing document in the array matches the to-be-added document exactly; i.e. the existing document has the exact same fields and values and the fields are in the same order. As such, field order matters and you cannot specify that MongoDB compare only a subset …

WebMay 31, 2016 · I'm working on a project and have encountered a problem: I have a document added by user input, and within this document, there is an array field which contains [ProjectID & SubjectIDinProject... cheap stand up deskWeb您选择 $addToSet 是因为您希望项目是唯一的，但实际上您确实希望它们仅由“a”唯一。所以 $addToset 不会这样做，而您需要“测试”存在的元素。但这里真正的问题是不可能同 … cyber security softWebMar 12, 2024 · Just a guess but are you sure you're looking at the right data / database. Based on the data you posted your update_one() won't update that record because it doesn't match your filter {"charID": 0} cyber security social engineering trainingWebAug 18, 2024 · I got an error: “Cannot apply $addToSet to non-array field. Field named ‘images’ has non-array type object”. Can someone help? You get this error, because … cheap stand up desks workstationWebMay 17, 2024 · And that is the problem. Basically, when the arrayfilter named grp meets a null object, it raises an error because it can't apply on it. So the solution to make the request work was to make sure every document in the collection had this group array initialized (even if it's empty, it doesn't matter). Once I did this there was no problem anymore. cyber security socketsWebDec 19, 2024 · Can we able to use "_id" : ObjectId ("4faaba123412d654fe83hg876") instead of user_id from the above example. Because i am getting exception like this "Cannot … cyber security societyWebJul 2, 2011 · It is the server that requires the element value to be an array (and BSON null is not an array). You could also use the [BsonIgnoreIfNull] attribute to prevent an cheap stand up dressers