Develop a personalized API using Strapi that involves integrating data from two distinct tables

I am relatively new to Strapi, so please forgive my lack of experience. My goal is to set up a custom route for retrieving complex data using two related tables.

I have relationships with the "items" and "comments" tables.

My approach involves selecting the top 5 items with the most comments from the "comments" table using the "GROUP BY" method. I then plan to use the "object_id" field from these items to retrieve corresponding data from the "items" table based on the ID stored in the "id" column.

In essence, I want to fetch items with the highest number of comments. However, the required data for this task resides in two separate tables: "items" and "comments."

I have already established a new route and constructor for this purpose. While I can successfully call the route and trigger the constructor, I am unsure about the specific operations needed to collect the necessary data. My database management system is MySQL.

I am contemplating whether to create a custom API within Strapi for direct frontend access or to make multiple API calls from the frontend itself. Although I understand how to write queries across multiple tables to obtain the desired results, I need guidance on incorporating the query into Strapi for creating a custom API route.

Your assistance is greatly appreciated. Thank you!

Answer №1

One of Strapi's key features is its utilization of Knex.js as an internal query builder. This allows users to perform MySQL operations in a more JavaScript-oriented manner using the functionalities provided by Knex.js.

If you're interested in learning how to use Knex.js, you can refer to the official documentation.

To incorporate Knex.js into Strapi, you can follow this example within a controller or service:

const knex = strapi.strapi.db.connection.raw;

const data = await knex.select('*').from('data_table_name'); // or execute any other desired query operation

For further insights on utilizing Knex.js with Strapi, you may want to check out responses to this question.

We hope this information proves helpful!

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