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
>
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