TypeError: res.status is not a function at auth (D:PROJECTWeb ApplicationLearning ReactMERN STACKmiddlewareauth.js:17:9). I am getting this error. The code is given below. Error ScreenShot Answer It should be req, res, next Change to https://expressjs.com/en/guide/using-middleware.html
Tag: mongodb
MongoDB get sum of fields in last stage of aggregate
I’m using an aggregate to gather some related data. The following is a sample pipeline that joins a Parent Collection to a Children One (Each Parent will have a Child). I then use a projection to gather some fields from both collections. This includes getting a count of the “number of sodas” a child has. Ultimately, I’m aiming to get
Mongo shell query is not working on mongoose
I have written a shell query which works perfectly on mongo shell but is not returning any value when run using mongoose in nodejs + typescript; Mongo shell But when I run the same query using mongoose in one of my routes. Mongoose : I would really appreciate if someone could help me with this. Because it took me a
MongoDB/Mongoose – Find all where a specific Date is in a Date Range
for example I have documents with this field: and I want to get all documents where a specific date (like today) is in the date range. Is it possible to make such a query? For example if I search for 18th April, then I get that document. I thought something like this: But this doesn’t work… I get an error
Node JS + Mongo DB: ValidationError: User validation failed: username: Path `username` is required because it force replaces the field
I am trying to save my data to a mongodb server but somehow it force replaces the first variable as id so it is throwing the above mentioned error. in router code I am doing console.log(req.body,cred) and here is the result I get: { emailAddress: ‘test@gmail.com’, password: ‘123456’, id: ‘6070cbd7c603550ac4385485’ } { _id: 6078c61277453c2170d7e177, password: ‘123456’, id: ‘6070cbd7c603550ac4385485’ } Can
join object from another documnt with localfield key
i have a competition doc with field teams array of object with _id of team and a score doc with teamId field competitions.teams = [{_id: 100,..}, {..}] score.teamId = 100 when aggregatig score i want to group it to the competition teams but imm getting all team inside the group innstead of matching id sample document https://mongoplayground.net/p/yJ34IBnnuf5 returns all team
Add the sum of two fields to a new field in the document
I would like to calculate sum of two fields, then create new field in document something like: ‘totalSum’. But I dont know how to do this. All in mongodb. Here’s an example: Answer Demo – https://mongoplayground.net/p/40DnYmMnEyU Use $addFields to add new fileds total, compute values using $add Output
query mongoDb to substract timestamp
I want a query to subtract day from a Date. I test this: {“lastSeen”: { “$gte”: {“$date”: { $subtract: [ “$date”, 1616000000 ] }}}} But doesn’t work. I have this error on Gamesparks. Error parsing JSON. Please use valid JSON, including double-quotes on object keys. Any ideas. Thank you. Answer As this is a JSON file, you will need to
Terminal hanging while running an asynchronous JS script to populate a Mongoose DB
I’m working on a personal project and am trying to understand the process logic that keeps my Node JS process from terminating after calling populateTransactions(). I think its because I need to close the DB (I’m not entirely clear on why), but when I do, the process terminates but the save() function of the model doesn’t complete and the DB
Is there a way to search through embedded arrays using aggregate pipeline in MongoDB?
I need to search through all the arrays within the categories field to find if the product belongs in the ‘T-Shirt’ category, is there a way to search through all the arrays within the category field? Any help would be appreciated. Here is what I have tried so far Here is an example of one of the documents: Answer Sure.