On Sábado, 21 de enero de 2012 17:01:46 Tin Vo escribió:
> Hello,
>
> I'm quite new to AS; and I've been scratching my head for too long
> with this problem. I have the following relation:
> "course.course_languages.first.location_language.language.description",
> where "courses" has many "course_languages" belongs to
> "location_language" belongs to "language"
>
> I would like to enable field search on Courses table for column
> "course_languages" searching on "description" of the "language".
>
> Any help is greatly appreciated.
> -Tin
Set includes and search_sql for langague virtual column
Create virtual column:
config.columns << :language
config.columns.exclude :language
config.field_search.columns << :language
You can exclude from other actions instead of config.columns.exclude
Also, you should define language in the model to avoid exceptions:
def language
location_language.try(:language).try(:description)
end
Set includes and search_sql:
config.columns[:language].includes = {:location_language => :language}
config.columns[:language].search_sql = 'languages.description'
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