Cannot apply $addtoset to non-array field

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WebDec 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 … 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. –

mongodb - Error findAndModify using in Node.js - Stack Overflow

WebJul 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 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... portland or craigslist furniture

MongoDB - $addToSet Operator - GeeksforGeeks

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. 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 ... 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. portland or concert venues

C# driver: Cannot apply $addToSet modifier to non-array

How to add a new object to an array in Mongoose?

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 … 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 … optimal beer fridge temperatureWebSep 12, 2014 · Steps To Reproduce: 1. create a new empty collection "users" 2. Execute the following query, should fail > db.users.findAndModify ( {query: … optimal being canton ct

"WebDec 8, 2024 · Field named 'age' has non-array type int; nested exception is com.mongodb.MongoWriteException: Cannot apply $addToSet to non-array field. … " - Cannot apply $addtoset to non-array field

Cannot apply $addtoset to non-array field

How to add a new object to an array in Mongoose?

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 … Web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 …

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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 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}});

WebJul 11, 2015 · There is in fact "no order" to the execution of different update operators, so their is no guarantee that the $addToSet occurs before the $push. In fact they are likely acting in parallel, which is why the error and that this is not allowed. The answer of course is "two" update statements. WebDec 21, 2024 · usersEnrolled : [{ iscourseenrolled : { type:Boolean, default: false }, userId: {type: String }, trackTime: {type:String} }],

Webпытается найти максимальное количество вхождений за время T-SQL. У меня есть данные записи процесса StartDateTime и EndDateTime (оба DATETIME2 ) за весь год 2013 года. 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

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') ".

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. – … optimal beerWebJul 28, 2024 · $addToSet operator is an easy to use method of adding unique values to an array Be aware of the behaviour when using $addToSet operator with Mongoose and javascript objects $addToSet... portland or courthouseWebMongoDB Documentation portland or craigslist trucksWebMar 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. … portland or craigslist for saleWebJun 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. portland or cpsWebMay 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. optimal beginnings llcWebAug 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 … portland or costco hours