Mongodb addtoset multiple values Can I create a single query document to be kind of union in sql, So that there will be only one database call Spring Boot filter by multiple fields (MongoDB) 0. I think I'm almost there with what I want to do but I'm falling at the last hurdle. Now I want for each row whatever event has 1 value should be push into array so my next step output should be like this Multiple conditions inside match MongoDB. Hot Network Questions Can you be convicted of an attempted crime by making an omission? View from a ship with an Alcubierre Drive The available documentation for MongoDB-Java(1, 2) is too short for me and doesn't include this case. getCollection('test'). You have two options here: either use a different single value as _id or use multiple values, if the cardinality of the single field isn't enough. Atlas Build on a developer data platform Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search (Preview) Design intelligent apps with GenAI Stream Processing (Preview) Unify data in motion and data at rest To specify a <field> in an embedded document or in an array, use dot notation. Viewed 1k times 0 I want to update the single document in collection with the guid as filter and update value is cityType. Ask Question Asked 5 years ago. e. Viewed 28k times 12 I want to be able to find multiple documents that have three or more matching values in an array. Add field with value to existing document in MongoDB via Java API. Ask Question Asked 10 years, 8 months ago. Ask Question Asked 11 years, 9 months ago. posts I am trying to add a key and value that itself has multiple keys and values. As such, field order matters and you cannot specify that MongoDB compare only a subset of Value to Add is a Document¶. update({name: "Hello, world!" I am trying to figure out a way to update multiple documents in a collection with different values based on a key. So in this case, Mongodb 3. If the value is in the array, $addToSet Value to Add is a Document¶. You will always have to do that in two queries. the existing document has the exact same fields and values and the fields Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with gen AI Stream Processing Unify data in motion and data at rest I am trying to run an update query on mongo, which will add few values in an existing array property. I tried doing it using a smaller array but the array is getting inserted as a sub-array. MongoDB UNIQUE Field Constraint MongoDB findAndModify() Method MongoDB findOneAndUpdate() MongoDB findOneAndReplace() Guide MongoDB bulkWrite() Method Indexing Fields in MongoDB MongoDB Compound & Multikey Indexes MongoDB Full-Text Index Guide MongoDB: Manage Unused Indexes MongoDB Index Usage Stats MongoDB: Selecting If 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. Share. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company MongoDB will find only one matching document which matches the query criteria when you are issuing an update command, whichever document matches first happens to be get updated, even if there are more documents which matches the criteria will get ignored. Step 4: Install Express with Mongoose for working with MongoDB database: I wanted to update multiple N number of fields here's how I achieved it. Load 7 more related A window where the lower and upper boundaries are defined using a range of values based on the sortBy field in the current document. Let us assume you want a clickstream per user recorded. Self Managed. 6 ( and available in the development branch from MongoDB 3. 1. So you need to ensure uniqueness as you add elements to the array instead. He actually wants to insert a field into an array within the document, which means that. Otherwise, I think you will have to use a loop. If removed upsert=False, then getting: TypeError: upsert must be True or False What is the correct way to do this python code calling pymongo? Any inputs will be of great help. MongoDB Java driver supports two classes to represent a MongoDB document, com. 12 ) you can now update multiple array elements in a single request. Update Operator Introduction. Mongodb bind multiple ips. If "ritik" already exists, nothing will change. find. findOne() "title":"blog posts" Value to Add is a Document¶. count({},function(err, count) {}); But if you feel you really must have the total user count calculated by mongodb in the same command, please ask a new question because I don't want to pollute the answer for the original question and the margin of this comment is too small to contain the answer. How can I update this where I can add new values such as; Id, name, age, height, weight. 8. , name: “Rohit”. core. db_name: test table_name: info Update multiple fields' value in MongoDB. We’ll look into both methods to update fields in a document. MongoDB Update Query with Multiple entries. Let’s now perform the same operations using Java. Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with gen AI Stream Processing Unify data in motion and data at rest I'm working with MongoDB 3. As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Starting in MongoDB 5. Viewed 601 times Is there a way to set the value of multiple fields in a subdocument in a more efficient way? UPDATE. As I need objects in array Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog With the release of MongoDB 3. As such, field order matters and you cannot specify that MongoDB compare only a subset of Is is possible to get the distinct values of field that is an array of strings and write the output of distinct to A way to avoid this would be to break down grouping into multiple stages, so each stage would not have to keep in memory lot of documents. 8 How to use the for loop over multiple criteria in mongodb from spring. Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with GenAI Stream Processing (Preview) Unify data in motion and data at rest I am a newbie for setting up the server environment and mongoDB. projects. Update. Atlas Build on a developer data platform Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent Atlas Documentation Get started using Atlas Server Documentation Learn to use MongoDB Start With Guides Get step-by-step Removes all matching values from an array. If the value is an array, $addToSet appends the whole array as a single You can use the $addToSet operator with the $each modifier. 5+) or the entire aggregate result cannot be more than 16MB (on v2. g. find Match multiple values in MongoDB with one query in pymongo. As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to I tried using mongodb's distinct , but that will return me just uniques values for one particular fieldI dont think we can pass multiple fields in distinct query mongodb mongoose mongodb group values by multiple fields. Modified 4 years, 1 month ago. A unique index on an array field enforces that the same value cannot appear in the arrays of more than one document in the collection, but doesn't prevent the same value from appearing more than once in a single document's array. I need to push multiple values into an array in mongoose using one call. Obviously, you need to have the unique user. @cirrus Bulk operations are introduced with MongoDB 2. This comprehensive tutorial explores the powerful techniques for grouping data by multiple fields in MongoDB. Modified 4 years, 4 months ago. MongoDB Enterprise: The subscription-based, self-managed version of MongoDB. 0. As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to It seems my query will won't act as my expect I want to group by name and mapping location1 and location2 into an array called locations Data {name: "Jack", localtion1: "Taiwan", localtion2: "Fr Example 1: Add to Array. You can of course set a value of a field to the same value, or increment with the same number, but you can not do two distinct updates in Name Description; field: name of the column or field to the document. Another possibility would be to just do a separate Users. mongodb updateOne value in an array. Current collection: db. so replace semi-colon. MongoDB adding and removing fields in array. Attempt. In this example, we are adding “JS++” value in the language array of document which satisfy the specified condition, i. Suppose you have a big collection of records where you have millions of documents and in each of them there are lots of fields, among them some might be array fields containing an array or some might contain nested documents that If 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. addToSet Add items to a Set (non-duplicatable) Update. Let's say we the Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with gen AI Stream Processing Unify data in motion and data at rest If the value of the expression is a document, MongoDB determines that the document is a duplicate if another document in the array matches the to-be-added document exactly. I needed to combine both to get the desired result of a single flat array of tags: Value to Add is a Document¶. mongodb, update array element in array. These documents may contain arrays or embedded arrays as field values. Commented Dec 26, Connect and allow multiple ip's for mongodb accepting connections. As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to If the value of the expression is a document, MongoDB determines that the document is a duplicate if another document in the array matches the to-be-added document exactly; i. In MongoDB, we store data in the form of documents. I want to substitute one t MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud. This may sounds something really simple, "enter a list of comma-separated values". As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to The OP's question and example don't match. students. Eq("_id", ObjectId. Update. The link with all the information is in the response. BasicDBObject and org. As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have this mongoose schema: var listingSchema = new Schema({ street : String, buildingNumber : Number, apartmentNumber : Number, UsersAndQuestions: [{ Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with GenAI Stream Processing (Preview) Unify data in motion and data at rest If 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. Every guid has different Using MongoTemplate, Query and Update by spring data mongodb. mongo group by multiple times. So far, we have discussed the raw MongoDB queries. How to update multiple documents based on “_id” to change field value which contains different values. Value to Add is a Document¶. The $addToSet operator adds a value to an array only if the value is not in the array already. the existing document has the exact same fields and values in the exact same order. 0 Create criteria object using map in mongo. Otherwise there is no way of doing the needed operation within a single update with Spring Data Mongo. Ask Question Asked 3 years, 7 months ago. The tags are stored as a list withi Value to Add is a Document¶. var kittySchema = new mongoose. For the document matching the criteria _id equal to 100, the following operation updates the value second element (array index of 1) in the tags field and the rating field in the first element (array index of Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with GenAI Stream Processing (Preview) Unify data in motion and data at rest MongoDB add items to array of documents if not exists already based on a particular field 0 Mongoose - My database duplicate a property instead of merging new entry with old entry Starting in MongoDB 5. As such, field order matters and you cannot specify that MongoDB compare only a subset of The favoriteFriend array field of the document with the _id equal to "5948373189" receives the value "ritik" in the example above. I am using MongoDB as the back-end database for Python web application (PyMongo + Bottle). Whether you're a beginner or an experienced developer, understanding how to effectively aggregate and organize data is crucial for building robust and efficient database applications. Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with gen AI Stream Processing Unify data in motion and data at rest I need to query so that I am returned all records where any one of a set of fields is equal to any value in an array basically, if I have ["foo","bar"] I need it to match if either of those strings are in field1 or field2 (but not any other field). Modified 3 years, 7 months ago. Say I have: user { _id: ObjId(. value: The value, specified against a field for an expression, or condition, or matching criteria. update( { id: 001, name : "Eva", age: 21, height: 5, weight: 100 }) Is it possible to add height and weight to existing data without deleting the values and reenter it? Updating nested array of objects using $addToSet - MongoDB Loading Just as with any MongoDB document, the _id can be anything that is a valid BSON Object in representation. How to Add Duplicate Values in an Array? I have the following structure: each document has a level_1 array of documents with a nested level_2 array I would like to batch update each of the level_2 documents (for one or multiple top level documents) with a new_field that references the value field in the same document (e. Ask Question Asked 3 years, 5 months ago. 2 ← Return to Documentation Introduction. Modified 2 years, 10 months ago. A safer approach (common sense) would be to try to update the record first, and if that did not find a match, insert it, like so: If 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. . collection i. Viewed 931 times Set value in mongodb array element. Schema({ Response: String, Id: String, Name: String, News: [String], Details: String }); Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with gen AI Stream Processing Unify data in motion and data at rest. Fields with numeric names are processed in numeric order. find(). Id (1) { Item: pen1 price: 10 } id(2) { Item: pen2 price: 15 } requires is to update price value based on Id Like update Id(1) price->20 Id(2) price->35 please let me knowfor updating this in 1000+ records Starting in MongoDB 5. Ask Question Asked 9 years, 10 months ago. var schema = new mongoose. Modified 9 years, 10 months ago. db See the solution on mongodb playground: Query. Improve this Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company update() got multiple values for argument 'upsert'. Document. mongo group by a value that can be present in multiple Version 4. springframework. I tried to update with arrayFilters, which does not seem Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company In addition to what Neil mentioned for the aggregation query, you have to consider the fact that the document that contains the grouped individual record cannot be beyond 16 MB (in v2. Introduction. How to use Criteria all in querying mongoDb in java? 1. ), name: &quot;John Smith&quot;, computers: [&quot;MSI desktop&quot;, &quot;Mac Book&quot;], phones: [&quot;Pixel&quot;, &quot;Galaxy If 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. 3. Modified 10 years, 9 months ago. Each document has values for the sport, manufacturer, brand and variation (see screengrab below). The fields have the same value most Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with gen AI Stream Processing Unify data in motion and data at rest I have a collection test which have following values from which i have to get document based on "value" field which i can easily get from below given query. "ritik" will be added to the array if it doesn't already contain it. I used Builders<T>. The $each modifier allows the If 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. MongoDB offers a flexible aggregation framework to carry out this operation effectively. $addToSet¶ $addToSet¶. Spring MongoDB - write a Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company How can I add an event to the embedded array and increment the 'times' value? I don't want to have a duplicate event name in the events array. the existing document has the exact same fields and values and the fields are in the same order. Calling the addToSet() method multiple times on a single attribute overwrites the value to be added. 6 and of course need that version of server at least in order to support them. It’s similar to the $push operator, except that $push In my database. If 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. As such, field order matters and you cannot specify that MongoDB compare only a subset of db. 0, update operators process document fields with string-based names in lexicographic order. Combine // Get the id for which data should be updated var filter = Builders<BsonDocument>. Counting distinct values is a fundamental data aggregation task that can be complex depending on the structure of your data. Viewed 363k times 196 For example, I have these documents: { "addr": "address1 I have a collection in MongoDB recording information about sport cards. Old Key and Value Pairs > db. how to update value in mongodb using mongoose? 15. update({_id: ObjectId Update multiple fields' value in MongoDB. 2 (Aggregation) : Group by multiple values of the same attribute. blog. 0 (we won't be upgrading until next year. Will lead to MongoDB is doing exactly as it was asked, and sets some_key to that value. ) I have a requirement to get a list of unique values across multiple fields in a collection. You can not update two documents at once with a MongoDB query. replacing the old one. Obviously I can do this with a series of multiple queries It's usually the best approach to define your complete aggregation pipeline separate of the invoking method and following the same rules as structure and indentation as are present in the JSON samples you will find and have used here. The window boundaries are specified using a two element array containing a lower and upper limit string or number. Update: I changed my model to make queries simpler. Parse(_id)); // Add Data which we wants to update to the List var updateDefinition = new List<UpdateDefinition<BsonDocument>>(); MongoDB Aggregation with Sum and Multiple Group Results Hot Network Questions Is there a metaphysical view that avoids categorizing the fundamental nature of things? Starting in MongoDB 5. push Append items to an Array (duplicatable) import org. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company If you need to store multiple values for a single attribute, declare it as an array. Since you know ahead of time that you will be only finding one value, you can get the properties out of the cursor specifically by using . As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to Value to Add is a Document¶. MongoDb - Adding key to update object in query itself. As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to If 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. Viewed 13k times Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with gen AI Stream Processing Unify data in motion and data at rest How to update multiple values in Mongodb using pymongo? Ask Question Asked 10 years, 9 months ago. 5. db. Enterprise Advanced Run and manage MongoDB yourself Community Edition Develop locally with MongoDB. My goal is to add the elements at the beginning of the array, instead of at the end, which is happening by default. 2. next(). (@Dylee try this way) – Yılmaz Durmaz. In case you want to add a new_field to all your collection, you have to use empty selector, and set multi flag to true (last param) to update all the documents. Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with GenAI Stream Processing (Preview) Unify data in motion and data at rest Just saw this, it would not count distinct objects at all, instead it will place, distinctly, objects into an array, not only that but distinction would be on === which is not always a good idea. As such, field order matters and you cannot specify that MongoDB compare only a subset of Database Deploy a multi-cloud database Search Deliver engaging search experiences Vector Search Design intelligent apps with GenAI Stream Processing (Preview) Unify data in motion and data at rest If 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. I have many documents that looks like Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Mongodb C# Update element in an multiple array with multiple values. admin-- but remember that this will only work with the first value returned from . pretty(); { "_id" : ObjectId("601594f5a22527655335415c"), "name" : Adding multiple key/values. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog MongoDB - Match multiple values in array. find actually returns a cursor, which you definitely don't want to add to your set. Eg. The method org. Dannyxu and Alex Beck's answers both worked, but only partially when used with a group stage. As such, field order matters and you cannot specify that MongoDB compare only a subset of I have a couple of data issues on the mongoDB documents in a collection. As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to I'm newbie for manipulating MongoDB recently, but I really need to update some fields like these. Getting Started; Create an Atlas Free Tier Cluster; Databases and Collections Additional indices are expensive (RAM-wise). Syntax If 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. Create multiple new fields from values in other fields on all documents in a MongoDB Collection. new_field = value * 2 ). data. As such, field order matters and you cannot specify that MongoDB compare only a subset of In MongoDB, the $addToSet operator adds a value to an array unless the value is already present in the array. As such, field order matters and you cannot specify that MongoDB compare only a subset of the fields in the document to @JonCursi One trip to the server is certainly faster, as is one operation in general. Do not calculate index values to update: Where similar to the "one shot" approach you Starting in MongoDB 5. Example In MongoDB, is it possible to update the value of a field using the value from another field? What happens if another user edited the person between the find() and save()? I have a case where multiple calls can be done to the I have a collection which elements can be simplified to this: {tags : [1, 5, 8]} where there would be at least one element in array and all of them should be different. persons collection: { _id: 1, name: " Jackie Chan How to update multiple mongodb documents with different values based on a key? Ask Question Asked 4 years, 4 months ago. I makes sense to update multiple fields at the same time right? That's all that happens, just with different types of operations because MongoDB is a document store that supports that, and not How to update multiple properties of a nested object inside an array in Mongodb? Hot Network Questions What information can I obtain from power spectrum density (PSD) that I can't obtain from Fourier transform of a signal? If 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. MongoDb update multiple objects from array. mongodb Java Driver If 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. Set multiple fields with one update query. posts. I tried the following query, but it doesn't work: db. Modified 12 months ago. MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB. Specifically, the existing document has the exact same fields and values in the exact same order. Sch A Computer Science portal for geeks. bson. Viewed 16k times 5 In my After the process is completed i updated the value of status using the below code. Instead, you would want to group on distinct values counting the amount of times that value exists, at which point you could easily add a stage to sum it up as the number of unique objects. How do I update multiple child element in mongodb. I need to add an object to an array in a MongoDB collection document, after inserting it I need to make sure all array's elements get ordered by one of their properties. Ask Question Asked 4 years, 6 months ago. There are a number of cards I am iterating over a list of key/value pairs and executing find for each key/value. MongoDB aggregation group by query. Filter. 11 Spring Data MongoDB Repositories Query multiple fields. For example, if you wanted to store multiple news items per doc, you'd change your schema to be:. *; @Autowired MongoTemplate mongoTemplate; MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud. How can I perform that query in Java? Instead of trying to create lists of key-values, MongoDB Java Aggregation - addToSet Multiple Fields. query. instead of If the value of the expression is a document, MongoDB determines that the document is a duplicate if another document in the array matches the to-be-added document exactly. I need to extract multiple values from a nested array along with a count. Users can upload files and optionally 'tag' these files during upload. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. How to add a new key:value pair to all existing objects of a mongoDB documents. Syntax The accepted answer by Flying Fisher is that the existing record will first be deleted, and then it will be pushed again. 4 and below). mongodb. addToSet() only supports adding scalar values but should support adding a list of values. As such, field order matters and you cannot specify that MongoDB compare only a subset of The $each operator is available within the $addToSet, which allows you to add multiple values to the array if they do not exist in the field array in a single addToSet with multiple condition in aggregation mongodb. A Computer Science portal for geeks. As such, field order matters and you cannot specify that MongoDB compare only a subset of If 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. collection. vtybkr agch vasd dbwh jgz hydqd sxgmo oqpreqk udez ghxf