demarches-normaliennes/db/migrate/20190920122228_add_indexes_to_dossier.rb

class AddIndexesToDossier < ActiveRecord::Migration[5.2]
  def change
    add_index :dossiers, :state
    add_index :dossiers, :archived
    add_index :follows, :unfollowed_at
  end
end
Add indexes to Dossier.state, Dossier.archived, Follow.unfollowed_at We make a ton of queries on these attributes (for example in /procedures#index and /procedures#show). I think it should help. 2019-09-20 15:47:01 +02:00			`class AddIndexesToDossier < ActiveRecord::Migration[5.2]`
			`def change`
			`add_index :dossiers, :state`
			`add_index :dossiers, :archived`
			`add_index :follows, :unfollowed_at`
			`end`
			`end`