创建项目的组织功能

db/migrate/20191220085352_create_compose_projects.rb

@@ -9,6 +9,5 @@ class CreateComposeProjects < ActiveRecord::Migration[5.2]
       t.timestamps
     end
     add_index :compose_projects, [:user_id, :project_id, :compose_id]
-    add_column :composes, :compose_projects_count, :integer, :default => 0
   end
 end