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Tag: mongodb

Sort the array of database object-id

I have a array of mongodb object-id and i want to sort them in such a way that similar IDs are next to each other example : Input : var array = [“507f191e810c19729de860ea”,”00000020f51bb4362eee2a4d”,” 507f191e810c19729de860ea”] Output : var array = [“507f191e810c19729de860ea”,”507f191e810c19729de860ea”,”00000020f51bb4362eee2a4d”] Answer Simply sorting the input array would result in the same input array being sorted in natural order (converting the

MongoDB attribute to array migration script

I’m trying to make a migration for a database, which has the following structure as of now: There have been some changes in how we need to handle a site, having now the possibility to have multiple sites, and not only one. So I need to change the DB to look like this: Is there a way to change the

Cast to string failed for value Error when submitting the form, using FileBase from React to convert the image

I have an error when i try to post this schema data into Form.js. Mongoose schema looks like this: Logic for creating post is like this: I’m uploading image as String and I’m converting image using base64 from React like this- When I try to submit form, I get error like – {“message”:”PostMessage validation failed: selectedFile: Cast to string failed

Looping Over And Array of Objects and Updating Each One

I’m trying to update objects inside an array based on specific conditions that I check using two functions. I couldn’t achieve this with the match feature available in mongoose. As you can see below, I’m trying to loop over the array of posts, send each post and check if it fulfills a condition, then update it using findOneAndUpdate. The functions

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