添加board和attachment数据迁移

db/migrate/20160115023749_update_boards_attach.rb

@@ -0,0 +1,32 @@
+class UpdateBoardsAttach < ActiveRecord::Migration
+  def up
+    project_count = Project.all.count / 30 + 2
+    transaction do
+      for i in 1 ... project_count do i
+      Project.page(i).per(30).each do |project|
+        puts project.id
+        if ProjectScore.where("project_id=?", project.id).first.nil?
+          puts "create project ==>#{project.id}"
+          ProjectScore.create(:project_id => project.id, :score => false)
+        end
+        unless project.project_score.nil?
+          # update boards
+          unless project.boards.first.nil?
+            boards_count = project.boards.first.topics.count
+            project.project_score.update_attribute(:board_num, boards_count)
+          end
+          # update attach
+          unless project.attachments.nil?
+            attachments_count = project.attachments.count
+            project.project_score.update_attribute(:attach_num, attachments_count)
+          end
+
+        end
+      end
+      end
+    end
+  end
+
+  def down
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20160114131753) do
+ActiveRecord::Schema.define(:version => 20160115023749) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false