On 13 September 2010 19:54, Jeff <[email protected]> wrote: > On Sep 13, 6:10 am, Frederick Cheung <[email protected]> > wrote: > > On Sep 13, 11:59 am, PalaniKannan K <[email protected]> wrote:> > Hi, > > > > > select * from table1 inner join table2 on table1.foreign_key = > > > table2.foreign_key > > > > > select * from table1 inner join table2 on table1.foreign_key = > > > table2.foreign_key join table3 on table2.foreign_key=table3.foreign_key > > > > > These are the SQL commands, I need to apply it in Rails. Kindly tell > me the > > > syntax in Rails to apply these SQL commands instead of sql_query. > > > > Take a look at the :joins option to find (or the joins scope > > modifiying thing in rails 3) > > > > Fred > > > > I think has_many :through might also be what you're looking for. You > can avoid writing SQL 99% of the time if you learn how to use the > various flavors of ActiveRecord associations. > Dear Jeff, In model I can apply has_many and belongs_to option. How I can apply those tables in Controller and View... I am new bee... I tried with some tutorials, every tutorial i m getting instructions to use has_many and belongs_to in model. I am getting problem with controllers and view to use "find" with foreign_keys if I use those options in model.
> > Jeff > > -- With Regards Palani Kannan. K -- 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
