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Exception: ActiveRecord::DeleteRestrictionError

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ActiveRecordError, StandardError
Instance Chain:
self, ActiveRecordError, StandardError
Inherits: ActiveRecord::ActiveRecordError
Defined in: activerecord/lib/active_record/associations/errors.rb

Overview

This error is raised when trying to destroy a parent instance in N:1 or 1:1 associations (has_many, has_one) when there is at least 1 child associated instance. ex: if @project.tasks.size > 0, DeleteRestrictionError will be raised when trying to destroy @project

Class Method Summary

Constructor Details

.new(name = nil) ⇒ DeleteRestrictionError

[ GitHub ] 

  


# File 'activerecord/lib/active_record/associations/errors.rb', line 257



def initialize(name = nil)
  if name
    super("Cannot delete record because of dependent #{name}")
  else
    super("Delete restriction error.")
  end
end