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Recent questions tagged mongoose

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mongoose - MongoDB: how to parse date in 3.6 mongoDb version?

I have created Mongo Playground here Current output is showing result based on 15min time interval. (grouping updatedAt ... -19T18:30:00Z"), See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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706 views

1 answer

mongoose - MongoDB: Calculate dwell time between every status value change

I want to find out the dwell time between every presenceStatus change. Example collection - /* 1 */ { "_id" : ... 0 } Your help is appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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775 views

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mongoose - Mongodb aggregation $group, restrict length of array

I want to group all the documents according to a field but to restrict the number of documents grouped for ... for each conversation_ID to 10? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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698 views

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mongoose - How do I limit the number of returned items?

myModel.find({}, function(err, items) { console.log(items.length); // Big number }); How can I limit ... latest 10 items that were inserted? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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mongoose - arrayFilters in mongodb

I have the following schema. { posts: [ { _id: '5ayuunbdsyuuuyut778' replies: [{ _id: "67hfudj7e9whduu888", text: ... ? Do I need to cast ids using ObjectId Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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mongoose - Find MongoDB records where array field is not empty

All of my records have a field called "pictures". This field is an array of strings. I now want the newest ... then it also returns empty records, of course. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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738 views

1 answer

mongoose - Does MongoDB's $in clause guarantee order

When using MongoDB's $in clause, does the order of the returned documents always correspond to the order of the array argument? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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mongoose - Conditional lookup with array of objects in mongodb

I have two collections, one is products and the other is orders I want to write aggregation in products ... /questions/65838462/conditional-lookup-with-array-of-objects-in-mongodb...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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mongoose - How to merge two schemas in mongodb

I have a post schema and user schema and I want to merge them together. I waant to know how to do it. ... //stackoverflow.com/questions/65839707/how-to-merge-two-schemas-in-mongodb...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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892 views

1 answer

mongoose - Finding documents in between 2 dates with MongoDB and Moment

Im trying to get documents that are on this day 11 months ago. I tried today and noticed Start:2020-02- ... /65850862/finding-documents-in-between-2-dates-with-mongodb-and-moment...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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761 views

1 answer

mongoose - How to create record if it does not exist in mongodb during bulkWrite?

The server will receiving lots of data. And issue is that I need to create records if a field name of the ... to-create-record-if-it-does-not-exist-in-mongodb-during-bulkwrite...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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827 views

1 answer

mongoose - Mongoosejs / Mongodb - Nested Data vs New Model

I am writing a node.js webapp using mongodb/mongoosejs. I have a user and a car model and want ... stackoverflow.com/questions/65866152/mongoosejs-mongodb-nested-data-vs-new-model...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

mongoose - I want to return sum of values by month from JAN-DEC in a year in mongodb

I want to write a Mongoose query to get the sum total for every month (Jan-Dec) in a year. Currently the query I wrote ... -sum-of-values-by-month-from-jan-dec-in-a-year-in-mongodb...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.0k views

1 answer

mongoose - MongooseError: Callback must be a function, got [object Object]

if (reaction.emoji.name === '?') { if (user.id == persToProp) { await Reply.delete() var date ... com/questions/65880761/mongooseerror-callback-must-be-a-function-got-object-object...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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969 views

1 answer

mongoose - MongoDB - Join on multiple condition

For the below query SQL: SELECT * FROM TableA as A LEFT JOIN TableB as B ON (A.id = B.id ... from:https://stackoverflow.com/questions/65880825/mongodb-join-on-multiple-condition...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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855 views

1 answer

mongoose - Not able to connect to mongoDB atlas

I have installed everything properly but don't know what had happened. This is the code // Connect to MongoDB ... .com/questions/65889737/not-able-to-connect-to-mongodb-atlas...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

mongoose - Subtract value in a document in API request Mongodb

Help guys im stuck. First of all im a beginner. This is my first react project I have a form being sent ... /questions/65907436/subtract-value-in-a-document-in-api-request-mongodb...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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856 views

1 answer

mongoose - How to get a range of data in mongodb for a substring of field

I am having a field as build and another as data in my MongoDB. my build field is as b3312, b3313, b3313... I want ... -to-get-a-range-of-data-in-mongodb-for-a-substring-of-field...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

837 views

1 answer

mongoose - MongoDB how to access pre existing collections?

If I already have some collections with some data then how to access them without knowing the "Schema" of ... .com/questions/65948576/mongodb-how-to-access-pre-existing-collections...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

735 views

1 answer

mongoose - Mongodb Aggregation Not In Select

I have a problem with mongodb aggregation not in. I have a collection "user" with data: { "_id": ... https://stackoverflow.com/questions/65930721/mongodb-aggregation-not-in-select...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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811 views

1 answer

mongoose - MongoDB return all documents (even if they are double)

Let say I have an array with some document _id's: const ids = ["5ffd5eb822084969b4dc9f74","5ffd5eb822084969b4dc9f74" ... /mongodb-return-all-documents-even-if-they-are-double...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.7k views

1 answer

mongoose - How to set up Unique Compound Index in NestJS (MongoDB)

Hey i have a schema for user with an unique email: @Schema() export class User { @Prop() firstName!: string; ... /65626559/how-to-set-up-unique-compound-index-in-nestjs-mongodb...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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828 views

1 answer

mongoose - Filter data based on hard-coded conditions (MongoDB)

I'm trying to get updates between two dates. for this reason i have some hard-coded conditions. (See ... com/questions/65642800/filter-data-based-on-hard-coded-conditions-mongodb...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

675 views

1 answer

mongoose - run the following command db.enableFreeMonitoring()

Trying to access my mongoose db, getting this message "run the following command db.enableFreeMonitoring() ... /questions/65643869/run-the-following-command-db-enablefreemonitoring...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

mongoose - connect() vs createConnection()

I am new to using mongoose and would like to know what is the fundamental difference between mongoose. ... :https://stackoverflow.com/questions/40818016/connect-vs-createconnection...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

735 views

1 answer

mongoose - how to retrieve the error object in the mongodb duplicate error

I am working with nodejs and mongoose to store the user information as showed in the code const User = mongoose. ... how-to-retrieve-the-error-object-in-the-mongodb-duplicate-error...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

709 views

1 answer

mongoose - how to retrieve the error object in the mongodb duplicate error

I am working with nodejs and mongoose to store the user information as showed in the code const User = mongoose. ... how-to-retrieve-the-error-object-in-the-mongodb-duplicate-error...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

857 views

1 answer

mongoose - MongoDB project with lookup

I want to get other collection's field using $lookup. For example, this is my users collection: { "_id ... :https://stackoverflow.com/questions/66067512/mongodb-project-with-lookup...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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