On 25 November 2015 at 15:50, fugee ohu <fugee...@gmail.com> wrote: > i wanna display listings for that current category and all it's child > categories (if any) and in the sidebar i wanna display the child categories
But why are you having to reference the id? What are you trying to get with the query you showed? Colin > > On Wednesday, November 25, 2015 at 8:39:05 AM UTC-5, Colin Law wrote: >> >> On 25 November 2015 at 12:31, fugee ohu <fuge...@gmail.com> wrote: >> > i'm trying to create an sql select from listings like this >> > `@listings=Listing.where("category_id in [1, 2, etc.])` >> > i'm using awesome_nested_set and it has a "children" method helper for >> > the >> > Category model that returns all the children categories in an array I >> > was >> > thinking i have to step through the array to build a string to insert >> > into >> > my sql select statement, but i don't wanna re-invent the wheel Since >> > this is >> > so common maybe there's a method already written for this? >> >> As I said in a previous post, if you are explicitly using model.id you >> are probably not doing things the best way. Please provide details of >> why you need to do this. There is almost certainly a better way. >> >> Colin > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-talk+unsubscr...@googlegroups.com. > To post to this group, send email to rubyonrails-talk@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/562acce2-65e9-4c45-a376-03c14ccc7835%40googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAL%3D0gLs7gJ9%2BfkfuNN9DySKBQgHG6WcPOPe5WpHgMui3Ayn_xg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.