Node Objection.js tutorial with knex and Postgres | Node SQL ORM

Pubblicato il: 08 febbraio 2021
sul canale di: Jan Goebel

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This screencast covers how to use Objection.js. Objection.s uses knex.js under the hood and is a SQL-friendly ORM tool for Node.js. We cover how to perform database migrations with the knex CLI tool, how to create seed data and how to connect to a Postgres database. We also build an express.js REST API to demonstrate how Objection.js can be used in Node.

00:00 introduction
02:20 project setup
06:19 creating a knexfile
09:18 Objection.js snake case mappers
11:52 creating database schema migration
19:23 executing initial database migration
23:07 creating seed data with knex CLI tool
30:47 executing seed file
31:57 creating Objection.js model classes
34:24 wiring up Objection with knex.js and Postgres
36:13 creating an express REST API powered by Objection.js
39:25 testing out REST API with Objection.js
40:00 eager loading in Objection.js
40:45 adding relation mappings
43:22 conclusion

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