Good point. There are various ways
1) add a virtual fields fetches them for each row
2) add a virtual field that fetches and cached per each request
3) denormalize the database and add a Field('categories','list:string
categories') and you keep in sync with the link table.
On Saturday, 19 July 2014 04:58:47 UTC-5, Ruud Schroen wrote:
>
> Thanks for the info Massimo. I made a link table like you said.
>
> Something like this is ok?
>
> db.define_table('post_to_cat',
> Field('post_id', 'reference blog_post'),
> Field('cat_id', 'reference blog_cat')
> )
>
> Querying should be easy, there's just one question.
>
> What would be an efficient way to display the categories for each post in
> the view? Because now I will need to fetch the categories for each post
> because they are in another table.
>
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