modify attachments

db/migrate/20150211180445_add_parent_to_attachment.rb

@@ -0,0 +1,7 @@
+class AddParentToAttachment < ActiveRecord::Migration
+  def change
+    change_table :attachments do |t|
+      t.references :parent, :polymorphic=>{:default=>'Thema'}
+    end
+  end
+end

db/migrate/20150211180912_add_flags_to_attachment.rb

@@ -0,0 +1,5 @@
+class AddFlagsToAttachment < ActiveRecord::Migration
+  def change
+    add_column :attachments, :flag_titlepic, :boolean
+  end
+end