app/models/educode_sales/business.rb in educode_sales-0.9.7 vs app/models/educode_sales/business.rb in educode_sales-0.9.8

@@ -1,7 +1,9 @@
 module EducodeSales
   class Business < ApplicationRecord
 
+    validates_uniqueness_of :number ,allow_nil: true
+
     belongs_to :staff
     belongs_to :department
     belongs_to :last_follow_up, class_name: 'FollowUp', optional: true # 允许last_follow_up_id字段中的数为nil
 
     has_many :sale_plans