Configure site search w/ facets

Configure search api, facet views.

Is Search API Database Backend really helping, or is this module viable?
View Core Views Facets on Drupal.orgCore Views Facets
No, it depends on facets 2.x.

Instructions

1. Install Search API via composer.
2. Enable Search API Database Backend submodule (search_api_db).
3. Create search server w/ database backend.
   1. Name: Database
4. Create search index on Database.
   1. Name: Content
   2. Datasources: Content
   3. Server: Database
5. Add fields to index.
   1. Content type: content_type
   2. ID: id
   3. Created: created
   4. Changed: changed
   5. Title: title
   6. Title: title_fulltext
   7. Topics: topics
6. Configure processors.

TODO: Add and display screenshots.