添加迁移--项目类型默认值

db/migrate/20150414115406_import_newtype_data_to_project.rb

@@ -0,0 +1,9 @@
+class ImportNewtypeDataToProject < ActiveRecord::Migration
+  def up
+    sql = ("update projects set project_new_type=1")
+    execute(sql)
+  end
+
+  def down
+  end
+end