Fields and projections

This is the official documentation of the @forestadmin/agent Node.js agent.

Fields

Field identifiers simply are strings that identify a column in the context of a collection.

Let’s consider the following database structure; collections, fields and relationships:

In this context, you’ll find below some examples that show valid and invalid field calls:

Collection	Field	Valid?

Projections

Projections are mainly used to fetch partial records and automatically fetch linked records.

Projections simply are an array of fields.

["id", "title", "author:firstName"] // for books