On 23 Dec 2008, at 14:04, lee.longm...@googlemail.com wrote:
>
> I have checked for method/association name clashes and can't see any.
> Any tips on how I might debug this further would be very much
> appreciated - I am completely stuck!
You could start by showing the code in your model. If you've got any
plugins you're using it's worth making sure they aren't the problem
Fred
>
>
> To recap, I am getting the error "undefined method `each' for
> true:TrueClass" when an Active Record method (in active_record/base.rb
> - see below) is being executed. So I assume 'attribute_names' is being
> set to true for some reason.
>
> # Returns a copy of the attributes hash where all the values
> have been safely quoted for use in
> # an SQL statement.
> def attributes_with_quotes(include_primary_key = true,
> include_readonly_attributes = true, attribute_names =
> @attributes.keys)
> quoted = {}
> connection = self.class.connection
> attribute_names.each do |name|
> if (column = column_for_attribute(name)) &&
> (include_primary_key || !column.primary)
> value = read_attribute(name)
>
> # We need explicit to_yaml because quote() does not
> properly convert Time/Date fields to YAML.
> if value && self.class.serialized_attributes.has_key?
> (name) && (value.acts_like?(:date) || value.acts_like?(:time))
> value = value.to_yaml
> end
>
> quoted[name] = connection.quote(value, column)
> end
> end
> include_readonly_attributes ? quoted :
> remove_readonly_attributes(quoted)
> end
>
> On 20 Dec, 14:26, Frederick Cheung <frederick.che...@gmail.com> wrote:
>> On Dec 20, 1:52 pm,
>> "lee.longm...@googlemail.com"<lee.longm...@googlemail.com> wrote:
>>> To add, I am seeing the following when I retrieve an existing Root
>>> object in the Rails console and then try to save it again:
>>
>> My guess would be that you have a method or an association with a
>> name
>> that has since been used internally by activerecord. If you can show
>> more of your model someone might be able to spot the troublemaker.
>>
>> Fred
>>
>>> => #<Root id: 1, type: "Root", name: "Base of Administrator",
>>> yaml_container: nil, parent_id: nil, owner_id: 1, custodian_id: 1,
>>> property_control_id: 1, include_parent_responses: false,
>>> inheritable:
>>> false, response_vehicle_id: nil, acquire_child_values: false,
>>> description: nil, rating: nil, link_base_id: nil, base_image_id:
>>> nil,
>>> event_when_id: nil, event_description_id: nil>>> root.save
>>
>>> NoMethodError: undefined method `each' for true:TrueClass
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> base.rb:2808:in `attributes_with_quotes'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> base.rb:2706:in `update_without_lock'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> locking/optimistic.rb:70:in `update_without_dirty'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> dirty.rb:146:in `update_without_callbacks'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> callbacks.rb:253:in `update_without_timestamps'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> timestamp.rb:38:in `update'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> base.rb:2699:in `create_or_update_without_callbacks'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> callbacks.rb:222:in `create_or_update'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> base.rb:2383:in `save_without_validation'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> validations.rb:1009:in `save_without_dirty'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> dirty.rb:79:in `save_without_transactions'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> transactions.rb:179:in `send'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> transactions.rb:179:in `with_transaction_returning_status'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> connection_adapters/abstract/database_statements.rb:66:in
>>> `transaction'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> transactions.rb:129:in `transaction'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> transactions.rb:138:in `transaction'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> transactions.rb:178:in `with_transaction_returning_status'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> transactions.rb:146:in `save'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> transactions.rb:158:in `rollback_active_record_state!'
>>> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/
>>> active_record/
>>> transactions.rb:146:in `save'
>>
>>> Any thoughts much appreciated.
>>
>>> On 20 Dec, 06:54, "lee.longm...@googlemail.com"
>>
>>> <lee.longm...@googlemail.com> wrote:
>>>> I have been working through an upgrade of my 1.2.6 application to
>>>> 2.2.2.
>>
>>>> I am almost there but I have hit a problem with ActiveRecord.
>>
>>>> Before the upgrade, the following code was working fine.
>>
>>>> def create_root(administrator)
>>>> root = create_root_collection(self.pingee_name,
>>>> administrator,
>>>> GlobalAccessibility.new,
>>>> OwnerAccessibility.new)
>>>> root.save
>>>> self.root = root
>>>> end
>>
>>>> But now I get am getting an exception "undefined method `each' for
>>>> true:TrueClass" when root.save is executed.
>>
>>>> fyi, the "create_root_collection" method creates a "root" object
>>>> and
>>>> assigns new object to its "belongs to" association.
>>
>>>> I have traced it through carefully and it is definitely failing
>>>> when
>>>> trying to save the "root" object itself.
>>
>>>> Given the error message, and the fact that the root object contains
>>>> boolean columns, I wonder if the problem is to do with the saving
>>>> boolean values. I am using MySQL and declaring the boolean
>>>> columns in
>>>> the following way (using raw SQL not migrations currently):
>>
>>>> include_parent_responses boolean default false not null,
>>
>>>> Is the "boolean" column type still valid?
>>
>>>> Thanks!
> >
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