Merge branch 'master' into poll-shifts

db/migrate/20170720092638_create_documents.rb

@@ -0,0 +1,14 @@
+class CreateDocuments < ActiveRecord::Migration
+  def change
+    create_table :documents do |t|
+      t.string :title
+      t.attachment :attachment
+      t.references :user, index: true, foreign_key: true
+      t.references :documentable, polymorphic: true, index: true
+
+      t.timestamps null: false
+    end
+
+    add_index :documents, [:user_id, :documentable_type, :documentable_id], name: "access_documents"
+  end
+end