search for: eagerly

Hello All, The version of R I am using is as follows > version _ platform x86_64-pc-linux-gnu arch x86_64 os linux-gnu system x86_64, linux-gnu status major 2 minor 14.1 year 2011 month 12 day 22 svn rev 57956 language R version.string R version 2.14.1 (2011-12-22) I just few days

Hi, Why are limited eager loads and conditions on the eager tables incompatible? Doing a find(:all) without :include causes a select * query to be generated, which means the id fields everwrite each other if associated tables are included using :joins. But using :include, if conditions are placed on the tables listed in :joins then Rails throws an exception when :limit is included too.

Hey gang. Is it possible to extend the eager load SQL at all? What I''m hoping to do is eagerly load an associate that, in turn, joins in some data from another table. Many thanks, James --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to ru...

Hi Trying to cut down on queries with eager loading and noticed the following in development.log Load IDs For Limited Eager Loading - SELECT id ....etc Followed by Load Including Associations - SELECT table.id ... etc Is this common practice? What is limted eager loading? Cheers Mark -- Posted via http://www.ruby-forum.com/.

I'm having a problem installing CentOS 8 from a USB drive. When the installer boots from the USB, it displays the language selection screen. After I select English and continue, the installer freezes. The USB drive flashes a couple times over the next minute or so, the stops. The mouse moves the cursor, but the installer is unresponsive to either selecting QUIT or HELP. I've

...read the ActiveRecord docs on eager loading, but for the life of me, I can''t seem to get it working. What I mean by this, is that the eager query looks good (I can paste the sql dump, but it looks good to me - and runs well independantly), but it seems that I''m referencing the eagerly loaded data in a way that activerecord doesn''t understand (my assumption) - thus I''m getting a tonne of extra queries. [first, the domain: WorkOrders has_many: WorkOrderItems && WorkOrderItems belongs_to :WorkOrder WorkOrderItems belongs_to :ProductsAndServices secondl...

Hi -- I'm trying to build an application on CentOS 7 which can run on older versions of CentOS. I'm running into problems with versioning of memcpy in Glibc. Executables built on CentOS 7 require memcpy from glibc-2.14, which causes the program not to load on systems with older versions of glibc. My online search suggests to add an asm() with a .symver option to select memcpy from

Polymorphic associations work great until I try to do some eager loading through :include. In my example, the interface name is ":imagehaver". Here''s my little eagerly loading find line: Image.find(params[:id], :include => :imagehaver) All it gives me is an ActiveRecord::EagerLoadPolymorphicError with no further explanation. I haven''t been able to dig up anything useful through Google, so I''m worried (or hoping?) that it could just be my co...

My problem is that I have two classes where the eager loading isn''t working as well as I would hope... Here are my two classes: class Daynote < ActiveRecord::Base belongs_to :userplace class Userplace < ActiveRecord::Base has_many :daynote, :dependent => true When I show my userplaces, I want to get the associated daynotes with them, so I am doing: @userplace =

...the ActiveRecord docs on eager loading, but for the life of me, I can''t seem to get it working. What I mean by this, is that the eager query itself looks good (I can paste the sql dump, but it looks good to me - and runs well independantly), but it seems that I''m referencing the eagerly loaded data in a way that activerecord doesn''t understand (my assumption) - thus I''m getting a tonne of additional queries. [first, the domain: WorkOrders has_many: WorkOrderItems && WorkOrderItems belongs_to :WorkOrder WorkOrderItems belongs_to :ProductsAndServices seco...

Hello. Using the ":include", which generates a "LEFT OUTER JOIN" SQL command, it is possible to eagerly preload second order data objects (children) for a given association. I wanted to know, if it is possible to eagerly preload and cache third order (or more) data objects, which are little-children or little-little-children. As I''ve seen. it is possible to add "LEFT OUTER JOIN" S...

There is a dedicated section about eager loading in the docs. A coworker discovered eager loading does not work in polymorphic associations the hard way :-) so I''ve written a patch that documents it: http://dev.rubyonrails.org/ticket/10610 There are at least a couple of tickets that implement something that would change that though: http://dev.rubyonrails.org/ticket/9640

i have an eager load query as such: @groups = ReviewQuestionGroup.find(:all, :conditions => ["review_category_id = ?", @review.category.id], :order => ''review_question_groups.position, review_questions.position'', :include => :questions) in dev mode, this works fine... i get results like @groups[0].questions.length = 13. in production, i

Hey all, I''d really appreciate some eyes on https://rails.lighthouseapp.com/projects/8994-ruby-on-rails/tickets/5845-activerecord-3-eager-loading-fail#ticket-5845-19. There''s a small issue in Rails 3 eager loading, and this ticket has an accompanying patch. Sssociations that show up twice in a Relation chain like: Article.includes(:comments).includes(:comments =>

Hi, I''m searching for a method of eager loading polymorphic associations under activerecord 2.0.2. After some initial google-fu I came up with a link to an enhancement that''s been added to edge: http://dev.rubyonrails.org/ticket/8119 Anyone have any idea how long that might take to work its way into a general release? I''m early in development now so I can afford to

I''m looking for someone to confirm the following as a bug in Rails 1.0 before I post it to Trac. If I use eager loading on an association that has conditions defined, the conditions are ignored. The following example illustrates the problem. I have two tables: create_table "blogs", :force => true do |t| t.column "name", :string end create_table

Hello everyone, I would like to eager load scoped records to avoid queries executed in a loop (huge performance impact). The "scoped" part is what is giving me a hard time. I''m using Rails3 RC. Does anyone have any idea how I can do it? Here is a test case : we have an "Article" and a "Comment" Activerecord models, article has many comments comment

There''s nothing like pushing a new major update in order to find bugs in the code when its exposed to a couple of hundred working applications. Thankfully the fixes were almost as swift as the reports. In any case, you''ll _definitely_ want to upgrade to 0.12.1 right away. There''s a good handful of fixes for both Action Pack and Active Record (mostly concerning the

...izing an object cause a namespace lookup? Are there any other side-effects of unserialize() that I should be cautious about? I've been digging through the R_Unserialize() call, I haven't found the loadNamespace bit yet but I assume its in there somewhere. Is there anyway to guard against R eagerly evaluating serialized data (serialize()) being unserialized (unserialize()) ? Thanks, Tyler [[alternative HTML version deleted]]

I have tried to use eager association with pagination, but the :include option is not supported: Here''s the one-line pagination call without :include @link_pages, @links = paginate :link, :per_page => 10, :order_by => sort_clause and here the work around, using the "classic" method # @link_pages = Paginator.new self, Link.count, 10,