mongomodel | Ruby ORM for MongoDB | Object-Relational Mapping library
kandi X-RAY | mongomodel Summary
kandi X-RAY | mongomodel Summary
MongoModel is a Ruby ORM for interfacing with [MongoDB] databases.
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Top functions reviewed by kandi - BETA
- Extract the options from a hash
- Returns a hash of serialized attributes
- Renders the event .
- Executes the specified document .
- Define callback method
- Creates a new instance .
- Gets the collection from the cache
- Creates a new collection
- Set the collection
- Default column name
mongomodel Key Features
mongomodel Examples and Code Snippets
Community Discussions
Trending Discussions on mongomodel
QUESTION
I'm actually building a script to extract data from a MySQL database and then populating a MongoDB. In the process there are some asynchronous stuff like establishing a connection to MySQL (through Sequelize library) and MongoDB (through Mongoose library), and some synchronous stuff like fetching and converting data.
I read a lot about async/await and Promises and my script is globally doing what I want want, but still have some issues.
Here's the code :
Migration.class.mjs
...ANSWER
Answered 2021-Sep-22 at 12:38That's because await will not work inside forEach(), which you are trying to do in your convertMySQLToMongo()
function.
There are many ways in which you can solve it, one of the ways is using for ... of
instead of forEach()
QUESTION
Am I able to check a value from other mongo schema while findAndUpdate?
Example:
Schema 1:
...ANSWER
Answered 2021-Jul-27 at 12:04EDIT: I completely overlooked that you also wanted to update the referenced document. I will howeever leave this answer in case someone else finds it useful.
You should checkout populate from Mongoose documentation. You can add references to other models like this when defining your schema:
QUESTION
I try to append something to a string with findOneAndUpdate
My DB values
...ANSWER
Answered 2021-Jul-27 at 10:31You can try update with aggregation pipeline starting from MongoDB 4.2,
$concat
to concat current name and new string
QUESTION
I have few records in mongo db and i need to update all those records with different values at a single stretch which matches its "id".
The record in mongo db will not have value for "status" & "timestamp" and i need to update these. When i try to update the record, the update values are getting newly inserted into another new collection and not updating in my existing collection.
...ANSWER
Answered 2020-Oct-16 at 14:29Some of the things I notice here are :
You are using
upsert:true
. It will add new documents to collection if your filter query doesn't find any matching documents. SO settingupsert:false
will solve the problem of new documents getting added to collection.Another problem I suspect is in following line of code.
QUESTION
I am trying to make a database
file that delivers connection, model etc for mongoose (MongoDb)
.
So when I return the Mongoose Model, the create method becomes "undefined".
database.js
ANSWER
Answered 2020-Jun-15 at 07:42Well try it like this:
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