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* Add Quickstart Guide * Update installation * Remove unused files * Update support/backing * Tweaks in concepts * Setup file structure for API reference 2.0 * Setup page layout for reference * Add clean-urls plugin * getting started updates * Finish authentication rest * getting started updates * Render stylus in 2 spaces * Various * Various * Finish activity docs * Add collections reference * Add extension reference * concepts updates * Fields/tweaks * Add files doc * Add revisions * concepts docs * More api reference * Finish rest api reference (finally) * initial concepts * More things * Add assets api ref * Move sections from file to assets * Add environment variables * contributing docs * Add field transforms page * Left align table headers * concept links * Add API config * Fix mobile nav * Add migrating a project * doc link fixes Co-authored-by: Ben Haynes <ben@rngr.org>
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Relations
What data is linked to what other data. Allows you to assign authors to articles, products to sales, and whatever other structures you can think of.
The Relation Object
id integer
Primary key of the relation.
many_collection string
Collection on the "many" side of the relation.
many_field string
Field on the "many" side of the relation.
one_collection string
Collection on the "one" side of the relation.
one_field string
Field on the "one" side of the relation.
one_collection_field string
In Many-to-Any type fields, this holds the field in the many collection that holds the name of the "one" collection.
one_allowed_collections string
In Many-to-Any type fields, this holds a csv of collection names the user is allowed to use through the m2a relation.
junction_field string
For Many-to-Many type fields, this holds the name of the field that "links" a many-to-one to a one-to-many, creating a many-to-many.
{
"id": 13,
"many_collection": "articles",
"many_field": "featured_image",
"one_collection": "directus_files",
"one_field": null,
"one_collection_field": null,
"one_allowed_collections": null,
"junction_field": null
}
List relations
List all relations that exist in Directus.
::: tip Permissions
The data returned in this endpoint will be filtered based on the user's permissions. For example, relations that apply to a collection that the current user doesn't have access to are stripped out.
:::
Query Parameters
Supports all global query parameters.
Returns
An array of up to limit relation objects. If no items are available, data will be an empty array.
GET /relations
// Response
{
"data": [
{
"id": 13,
"many_collection": "articles",
"many_field": "featured_image",
"one_collection": "directus_files",
"one_field": null,
"one_collection_field": null,
"one_allowed_collections": null,
"junction_field": null
},
{...},
{...}
]
}
Retrieve a relation
List an existing relation by primary key.
Query Parameters
Supports all global query parameters.
Returns
Returns the requested relation object.
GET /relations/:id
// Response
{
"data": {
"id": 13,
"many_collection": "articles",
"many_field": "featured_image",
"one_collection": "directus_files",
"one_field": null,
"one_collection_field": null,
"one_allowed_collections": null,
"junction_field": null
}
}
Create relation
Create one or more new relation(s).
Query Parameters
Supports all global query parameters.
Request Body
A partial relation object or an array of partial relation objects.
Returns
Returns the relation object for the created relation.
POST /relations
// Request
{
"many_collection": "articles",
"many_field": "featured_image",
"one_collection": "directus_files"
}
// Response
{
"data": {
"id": 13,
"many_collection": "articles",
"many_field": "featured_image",
"one_collection": "directus_files",
"one_field": null,
"one_collection_field": null,
"one_allowed_collections": null,
"junction_field": null
}
}
Update relation
Update an existing relation.
Query Parameters
Supports all global query parameters.
Request Body
A partial relation object.
Returns
Returns the relation object for the created relation.
PATCH /relations/:id
// Request
{
"one_field": "articles"
}
// Response
{
"data": {
"id": 13,
"many_collection": "articles",
"many_field": "featured_image",
"one_collection": "directus_files",
"one_field": "articles",
"one_collection_field": null,
"one_allowed_collections": null,
"junction_field": null
}
}
Delete relation
Delete an existing relation.
Returns
Empty body.
DELETE /relations/:id
// Empty Response
Delete Multiple relations
Delete multiple existing relations.
Request Body
An array of relation primary keys
Returns
Empty body.
DELETE /relations
// Request
[15, 251, 810]
// Empty Response