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MONGODB QUESTIONS

mongodb query to match date fails
mongodb query to match date fails
like below fixes the issue Just can't get this seemingly simple query to work. All I want to do is match records that have a specific date range (the range could be 1 for the same date). Any insight is appreciated. I have verified the collection has
TAG : mongodb
Date : November 25 2020, 09:00 AM , By : Yoaaaarp
Create a mongodb text index with no default language
Create a mongodb text index with no default language
I wish this helpful for you In fact, in your solution, the name value is ignored. If you want to specify both index name and default_language, you need to use:
TAG : mongodb
Date : November 24 2020, 09:00 AM , By : Rainmaker
mongodb update multiple records from command line
mongodb update multiple records from command line
wish help you to fix your issue There is a bug in your for loop, it currently queries for "_id":0,"_id":1,etc. You need to change var style_name = [i] to this:
TAG : mongodb
Date : November 22 2020, 09:00 AM , By : dex1
MongoDB Calculate Values from Two Arrays, Sort and Limit
MongoDB Calculate Values from Two Arrays, Sort and Limit
it fixes the issue Current Processing is mapReduce If you need to execute this on the server and sort the top results and just keep the top 100, then you could use mapReduce for this like so:
TAG : mongodb
Date : November 21 2020, 09:01 AM , By : James Mendoza
How to override the document in MongoDB
How to override the document in MongoDB
I wish did fix the issue. You need to specify the $set operator. The $set operator instructs MongoDB that you want to update specific fields in a document rather than overwriting it with a new document.
TAG : mongodb
Date : November 21 2020, 07:38 AM , By : Gary Grue
mongodb delete nested object without knowledge of object nodes
mongodb delete nested object without knowledge of object nodes
To fix this issue Faiz,There is no operator to help match and project a single key value pair without knowing the key. You'll have to write post processing code to scan each one of the documents to find the node with the id and then perform your remo
TAG : mongodb
Date : November 21 2020, 07:38 AM , By : Sarotatalo
Is it possible use MongoDb capped collection with phalcon Collection models
Is it possible use MongoDb capped collection with phalcon Collection models
like below fixes the issue I don't think Phalcon supports creation of a capped collection, however, you could create this collection in the MongoDB shell and then use it in Phalcon:
TAG : mongodb
Date : November 21 2020, 07:38 AM , By : Robert Hamilton
What do 1 and -1 stand for in mongoose compound indexes?
What do 1 and -1 stand for in mongoose compound indexes?
will be helpful for those in need You can see it in the example in their official docs: guideindexes. , From the mongodb docs
TAG : mongodb
Date : November 20 2020, 09:01 AM , By : Daniel Danev
select documents grouped by field
select documents grouped by field
should help you out Run the following aggregation pipeline which uses the $group operator to group your documents by the specified fields, add the items array by using the accumulator operator $push that returns an array of expression values for each
TAG : mongodb
Date : November 19 2020, 03:54 PM , By : Sidéra
MongoDB print distance between two points
MongoDB print distance between two points
I wish did fix the issue. You can use the $geoNear aggregate pipeline stage to produce a distance from the queried point:
TAG : mongodb
Date : November 17 2020, 09:01 AM , By : Gst Faso
Mongodb function TypeError
Mongodb function TypeError
I think the issue was by ths following , Two problems:First you are reassigning the global value db with director in your function parameters. Make sure you run the function with
TAG : mongodb
Date : November 15 2020, 09:01 AM , By : gajjar nirali
Making POST using Instagram/Maker through IFTTT not requesting API url
Making POST using Instagram/Maker through IFTTT not requesting API url
seems to work fine After hours and hours of trial and error, I realized that my problem was the CreatedAt value. In my Mongoose schema, I had that value expecting a date but in ifttt, it's actually a string. That for whatever reason prevented all oth
TAG : mongodb
Date : November 14 2020, 07:01 AM , By : Stephen
Mongo running slow on Amazon EC2
Mongo running slow on Amazon EC2
To fix this issue The cause of the issue appears to be setting up a mongo instance in US west while hosting the application in US East. Network latency is the cause of the increased response time.
TAG : mongodb
Date : November 13 2020, 05:43 AM , By : Eileen Hoggatt
How to map two `future` results in Scala/ReactiveMongo?
How to map two `future` results in Scala/ReactiveMongo?
this one helps. I have an application, written with Play and ReactiveMongo, where I want to: , Try to change
TAG : mongodb
Date : November 13 2020, 05:40 AM , By : Mithran Daniel
One query to get parent of document with id
One query to get parent of document with id
will help you MongoDB is non relational database and does not support joins as opposed to other relational DB which defines relationship through reference keys across tables in database. Instead of defining references of documents across collections
TAG : mongodb
Date : November 13 2020, 05:40 AM , By : Sero Adali
Combine three different Aggregate into a single one
Combine three different Aggregate into a single one
it helps some times With a single $group pipeline, you can take advantage of the $cond operator in the pipeline step to evaluate the counts based on the logic specified, something like the following:
TAG : mongodb
Date : November 12 2020, 09:01 AM , By : Abhisek Dey
Remote MongoDB access through Cloud 9 gives login failed exception
Remote MongoDB access through Cloud 9 gives login failed exception
wish of those help The shell problem was fixed updating it to the Database version (which was 3.0.3). For the javascript files, I restarted the tutorial and made sure I downloaded all necessary dependencies with the most recent stable version (not th
TAG : mongodb
Date : November 11 2020, 09:01 AM , By : Guillaume Lemoine
How to link one model to other in mongo
How to link one model to other in mongo
I wish this help you How to create relationship in MongoDB. I have two schemas, events and bookings. , So give your event schema an array of Ref to booking
TAG : mongodb
Date : November 10 2020, 09:01 AM , By : Shahin Ataei
Get length of array within array mongodb
Get length of array within array mongodb
wish of those help I'm trying to count the number of votes per question for the following schema. , I figured out how to do it in mango, I needed another unwind.
TAG : mongodb
Date : November 07 2020, 01:33 PM , By : John Hollis
How to get multi matching filters count in mongoDB
How to get multi matching filters count in mongoDB
may help you . Very possible in one go via the aggregation framework. With MongoDb 3.6 and newer, you can leverage the use of $arrayToObject operator within a $replaceRoot pipeline to get the desired result.
TAG : mongodb
Date : November 07 2020, 09:00 AM , By : Atulya Shivam Shree
remove element from embedded document in mongodb
remove element from embedded document in mongodb
I think the issue was by ths following , Use the $pull array modifier operator to remove all instances of a value or values that match a specified condition from an existing array.The following mongo operation updates all documents in the collection
TAG : mongodb
Date : November 06 2020, 09:01 AM , By : Shahriar
Mongodb Map-Reduce
Mongodb Map-Reduce
hop of those help? It's better be done with the aggregation framework.If your collection name is coll:
TAG : mongodb
Date : November 06 2020, 04:03 AM , By : Travis Holt
Saving value passed with variable as numeric value instead of string value
Saving value passed with variable as numeric value instead of string value
I hope this helps you . This is a schema issue. @Luna, you have to take care while inserting data. For Example, while inserting perDay field, dont insert it like - {'perDay' : '500'} instead insert like - {'perDay':500}. This will insert your field a
TAG : mongodb
Date : November 06 2020, 04:03 AM , By : Santosh Darwandar
mongodb insert unexpected identifier
mongodb insert unexpected identifier
Does that help The issue is with single quote (') you are using single quote for start and end block and also there is single quote(') in the description [cursed,it's know as] Either use double quote(") to enclose data or try to html encode your data
TAG : mongodb
Date : November 06 2020, 04:03 AM , By : Hasid Mansoori
Manually convert embedded documents to references in MongoDB
Manually convert embedded documents to references in MongoDB
hope this fix your issue MongoDB accomplishes relationships through embedded documents completely different approach as compared to conventional relational database which encapsulates a feature of foreign key through which it references data across a
TAG : mongodb
Date : November 06 2020, 04:03 AM , By : Subhash K
Elastic Beanstalk Deployment with MongoDB
Elastic Beanstalk Deployment with MongoDB
I hope this helps you . You definitely don't want to run all those on your Elastic Beanstalk servers. Elastic Beanstalk will automatically add or remove servers based on your traffic/server load. You don't want your database to be on one of those ser
TAG : mongodb
Date : November 05 2020, 07:07 PM , By : Peter Marcu
How to set result of query as array with mongoose/mongodb
How to set result of query as array with mongoose/mongodb
like below fixes the issue I need to set the result of a query as an array of an object being saved. , Found a way to do it (probably not the best):
TAG : mongodb
Date : November 05 2020, 09:01 AM , By : posthumen
How to project specific fields from a document inside an array?
How to project specific fields from a document inside an array?
should help you out You are doing it wrong. According to the documentation
TAG : mongodb
Date : November 04 2020, 09:01 AM , By : doyouevencpp
Add field (boolean) to returned objects, when a specified value is in array, without including the array itself
Add field (boolean) to returned objects, when a specified value is in array, without including the array itself
wish help you to fix your issue One approach you could take is via the aggregation framework which allows you to add/modify fields via the $project pipeline, applying a host of logical operators that work in cohort to achieve the desired end result.
TAG : mongodb
Date : November 04 2020, 09:01 AM , By : Namy Grooves
MongoDB: Find and then modify the result depending on if certain value in field array
MongoDB: Find and then modify the result depending on if certain value in field array
it should still fix some issue Is there an easy solution in MongoDB to find some objects that match a query and then to modify the result without modifying the persistent data depending on if a certain value is contained in an array? , Run the follow
TAG : mongodb
Date : November 02 2020, 09:01 AM , By : blba zena
Meteor: List all collections on the server
Meteor: List all collections on the server
it should still fix some issue To list all collections on the server, use the RemoteCollectionDriver to access preexisting MongoDB Collections. To implement this server side, you could follow this asynchronous pattern:
TAG : mongodb
Date : November 02 2020, 09:01 AM , By : Carson Smith
How can you set a MongoDB write concern at database level that cannot be overridden?
How can you set a MongoDB write concern at database level that cannot be overridden?
like below fixes the issue It is not possible to prevent the use of write concerns other than the default. Clients can specify a write concern for each CRUD operation and MongoDB's permission model is not granular enough to prevent this. If you reall
TAG : mongodb
Date : November 02 2020, 09:01 AM , By : Azhar Malghani
Issues during repset members syncing
Issues during repset members syncing
With these it helps Actually, this expected behavior.When data gets written, documents might be moved to new datafiles. While documents are guaranteed not to be fragmented, the individual documents can become scattered over the datafiles, especially
TAG : mongodb
Date : November 01 2020, 04:09 PM , By : Brian C
Can we save new record in decending order in mongodb
Can we save new record in decending order in mongodb
This might help you According to above mentioned description ,as an alternative solution if you do not need to use $sort, you need to create a Capped collection which maintains order of insertion of documents into MongoDB collectionFor more detailed
TAG : mongodb
Date : November 01 2020, 03:09 PM , By : Blake McConnell
Mongo DB : remove document from collection
Mongo DB : remove document from collection
hop of those help? From doc:
TAG : mongodb
Date : November 01 2020, 03:09 PM , By : Jona Sanderson
How to sort by a specific criteria the top X documents already sorted with mongodb?
How to sort by a specific criteria the top X documents already sorted with mongodb?
seems to work fine Mongo applies the sort before limiting the results regardless of the order you call sort and limit on the cursor but using the .aggregate() method will give the expected result.
TAG : mongodb
Date : November 01 2020, 03:09 PM , By : Frank
MongoDB: Find and then modify the resulting object
MongoDB: Find and then modify the resulting object
Hope that helps A possible solution would be to use an aggregation pipline with a $match followed by a $project:
TAG : mongodb
Date : November 01 2020, 03:09 PM , By : Kat Singh
MongoDB .populate
MongoDB .populate
fixed the issue. Will look into that further Both serves a different purpose and one cannot be a replacement of other.Virtual: If you want attributes that you can get and set but that are not themselves persisted to mongodb, virtual attributes is the
TAG : mongodb
Date : November 01 2020, 01:03 PM , By : aarti taparia
mongodb query documents by specifying range of dynamic key data
mongodb query documents by specifying range of dynamic key data
will be helpful for those in need For a given range, say 2-4, you can create an object with properties which are in dot notation to represent the embedded dynamic keys in the query. Constructing the object itself would use the bracket notation:
TAG : mongodb
Date : November 01 2020, 01:03 PM , By : Harryj Zamora
How to access object property in mongoose?
How to access object property in mongoose?
Any of those help Your code is creating a new Schema called user_data, instead of creating a document in mongodb. You have to compile your schema into a model and then create documents. For example,
TAG : mongodb
Date : October 31 2020, 01:52 PM , By : Jérôme
made a mistake: document collection is an embedded function
made a mistake: document collection is an embedded function
I wish did fix the issue. so, I managed to create a document collection called version ... , You can access that collection via:
TAG : mongodb
Date : October 31 2020, 01:49 PM , By : Thilina Manamgoda
MongoDB creates empty document
MongoDB creates empty document
wish of those help You have a few issues, but the major one is that it looks like you may need to change your lines that read mongoose.exports to module.exports. You aren't exporting your Schema.
TAG : mongodb
Date : October 31 2020, 10:01 AM , By : Pamela Boss Ladyy Ha
Meteor collection (MongoDB) update very poor performance
Meteor collection (MongoDB) update very poor performance
wish helps you Turned out that the issue was not in fact the update, it was schema validation (using https://github.com/aldeed/meteor-simple-schema).I disabled schema checking for the objects in the array (the method is on the server so it's safe to
TAG : mongodb
Date : October 31 2020, 05:57 AM , By : phpLearner
Meteor reactive issue between minomongo and publisher
Meteor reactive issue between minomongo and publisher
To fix the issue you can do I hope I understand correctly. To resolve ties you can use the _id as the second sort parameter. For example: { sort: {price: -1, _id: 1} }Also, using sort in your publication won't change anything in this specific example
TAG : mongodb
Date : October 29 2020, 06:12 AM , By : Anthony Edwards
In Falcor how to work with database?
In Falcor how to work with database?
I hope this helps . The simplest way is to simply do a database query inside the route's get function:
TAG : mongodb
Date : October 29 2020, 04:55 AM , By : Maria Stommes
mongodb - sort results such that a subset are retrieved first
mongodb - sort results such that a subset are retrieved first
this will help What you want to do is " weighting" and to do that you need to use the .aggregate() method which provides access to the aggregation pipeline. The first stage in the pipeline is the $match stage where you filter to allow only matching d
TAG : mongodb
Date : October 29 2020, 04:46 AM , By : Razvan Ceana
Mongoose update: obtaining pushed subdocument's _id
Mongoose update: obtaining pushed subdocument's _id
may help you . In cases like this we usually just create the ObjectId manually, so we have it before saving:
TAG : mongodb
Date : October 29 2020, 04:45 AM , By : lichtying
Best database for multiple-column indexes?
Best database for multiple-column indexes?
Does that help According to above mentioned description I suggest MongoDB is best suitable for your requirement as MongoDB has powerful index management and it supports multiple types of indexes.
TAG : mongodb
Date : October 28 2020, 05:11 PM , By : venkatesh
Datanucleus mongodb references
Datanucleus mongodb references
around this issue DataNucleus doesn't support DBRef on MongoDB datastore: http://www.datanucleus.org/servlet/forum/viewthread_thread,792438188
TAG : mongodb
Date : October 28 2020, 11:27 AM , By : Bhuvanesh
MongoDB throwing error Module not found: 'module'
MongoDB throwing error Module not found: 'module'
Hope this helps This error is because you're trying to use mongodb from browser, as create-react-app is a front-end app. You should use a back-end server and use mongodb from there.You can check out this this full-stack repo having a nodejs server wi
TAG : mongodb
Date : October 27 2020, 04:13 PM , By : solmentes
How to connect to remote MongoDB with mongo-connector?
How to connect to remote MongoDB with mongo-connector?
I wish did fix the issue. Answered on the github issue. Solution:
TAG : mongodb
Date : October 25 2020, 07:18 PM , By : Trapper100
Mongoose why would you use populate over another find?
Mongoose why would you use populate over another find?
this will help You don't save resources by using populate. Under the hood mongoose calls the database as many times as required. Consider the example:
TAG : mongodb
Date : October 22 2020, 02:00 PM , By : benzir ahmed
mongodb unwind array nested inside an array of documents
mongodb unwind array nested inside an array of documents
help you fix your problem In unwind stage, field should be an array field. If not array field, it treats it as array of 1 element.From the docs:
TAG : mongodb
Date : October 22 2020, 01:58 PM , By : Peter Liu
find() and findOne() methods in MongoDB showing different results
find() and findOne() methods in MongoDB showing different results
wish help you to fix your issue I have a Mongo database where in the users collection I have just 1 document. I do a find() and a findOne() operations using the username filter. I get what I think is an incorrect result from find() operation. , First
TAG : mongodb
Date : October 22 2020, 01:58 PM , By : Hanel Prillian Chozz
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