On Sep 19, 2015, at 12:03 PM, Oto Iashvili <optimum.dulo...@laposte.net> wrote:
> Hi, > > I have a product class with category and a polymorphic attributes > details_info, that depending on category go to one or another table to get > the detail > > > Class Product > category > details_info > > end > > Class DetailsInfo > ... > end > > Class Pencil > > include DetailsInfo > type > color > end > > Class Notebook > > include DetailsInfo > size > ... > end > > and to display products i do > prds = Products.all > prds.each do |pr| > > if pr.category == 'pencil' > DetailsInfo.table_name = 'pencil' > > else if pr.category == 'notebook' > > DetailsInfo.table_name = 'notebook' > end > > end > > (this is just kind of algo I use) > > All this was working fine but with rails > 4.2 , it doesnt work anymore. > The first time pr.details_info will be called, it seems that the table name > is cached somewhere, and then all other products are using the same > table_name. When I check during loop, I can see that DetailsInfo.table_name > is always correct, but still when pr.details_info will be called , it used > the first table_name that was used. I can also see that the method table_name > is called every step of the loop, and it return the good table_name, but > still, the sql request search on bad table. > > How can I reset that ? Ive tried a lot a thing like emptying > association_cache, also different things with reflect_on_all_associations, > reset_column_information, reload, … FWIW, you should take a look at the “Polymorphic Associations” section in the Guides: http://guides.rubyonrails.org/association_basics.html#polymorphic-associations My guess is that that functionality will allow you to avoid the `table_name` swapping that’s tripping up the code above. But also note that this list is for development of the Rails framework, not for debugging individual applications. rails-talk is the correct place for this question. —Matt Jones -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-core+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-core@googlegroups.com. Visit this group at http://groups.google.com/group/rubyonrails-core. For more options, visit https://groups.google.com/d/optout.
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