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Defect #21581

Updated by Toshi MARUYAMA almost 9 years ago

In plugin development, It is not possible to add the default scope by patching any models. 

 <pre> 
 def self.included(base) # :nodoc: 
         base.extend(ClassMethods) 
         base.send(:include, InstanceMethods) 

         base.class_eval do 
            default_scope -> { includes(:table_name) } 
 .... 
 </pre> 

 The tests fail with Statement Invalid. 

 <pre> ssueNestedSetTest#test_move_a_root_to_child: 
 IssueNestedSetTest#test_move_a_root_to_child: 
 ActiveRecord::StatementInvalid: Mysql2::Error: Column 'id' in where clause is ambiguous: 
  SELECT MAX(`issues`.`rgt`) FROM `issues` LEFT OUTER JOIN `egs` ON `egs`.`issue_id` = `issues`.`id` 
  WHERE `issues`.`root_id` = 1372 AND `issues`.`parent_id` = 1372 AND (id < 1373) 
 </pre> 

 


 I guess, the following is the culprit, issue_nested_set.rb 

 <pre> 
       def target_lft 
         scope_for_max_rgt = self.class.where(:root_id => root_id).where(:parent_id => parent_id) 
         if id 
           scope_for_max_rgt = scope_for_max_rgt.where("id < ?", id) 
 </pre> 

 Can you please look into this issue. 

 Happens in Redmine 3.0.3 
 Ruby 2.1

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