How to use Mongoose’s findByIdAndUpdate Method with $ positional operator In MongoDB
In this approach, we use Mongoose’s findByIdAndUpdate method along with the $ positional operator to update the deeply nested arrays.
Model.findByIdAndUpdate(
parentId,
{ $set: { "nestedArray.$[outer].innerArray.$[inner].field": value } },
{ arrayFilters: [{ "outer._id": outerId }, { "inner._id": innerId }], new: true }
);
How to Update Deeply Nested Array in MongoDB/ Mongoose ?
In MongoDB/Mongoose, updating deeply nested arrays can be challenging due to the nested structure. This article will explore various approaches to update deeply nested arrays efficiently using both MongoDB queries and Mongoose methods.
Explaining each approach one by one below:
Table of Content
- Using MongoDB’s Update Operators
- Using Mongoose’s findByIdAndUpdate Method with $ positional operator
- Using Mongoose’s findOneAndUpdate Method with arrayFilters