Exception: ActiveRecord::DeleteRestrictionError

Inherits:
ActiveRecordError show all
Defined in:
activerecord/lib/active_record/associations.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

Instance Method Summary collapse

Constructor Details

#initialize(name = nil) ⇒ DeleteRestrictionError

:nodoc:



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# File 'activerecord/lib/active_record/associations.rb', line 174

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