How to select two table (document) value at a time by user id in mongoose?

Question

I am using NodeJs, ExpressJs with Mongodb and Mongoose. I want to select two document\'s value by user id.

I have three model User, Academic and Career. I have made a re

Answer 1

This is the simplest query we can make for find user with given query Id

router.get('/getInfoById/:id', async (req, res) => {
     const user = await User.aggregate([
           { $match: { _id: mongoose.Types.ObjectId(req.query.id) }},
           { $lookup: {
              from: "career",
              localField: "_id",
              foreignField: "user",
              as: "careers"
           }},
           { $lookup: {
              from: "academic",
              localField: "_id",
              foreignField: "user",
              as: "academics"
           }}
        ])
    res.send(user);
});