I posted a response on SO :
http://stackoverflow.com/questions/20697034/how-can-i-join-3-tables-and-output-a-the-all-three-together-joined-in-web2py/20698864#20698864
Le vendredi 20 décembre 2013 07:06:41 UTC+1, deepak sandhu a écrit :
>
> model:
>
>
> # coding: utf8
> db.define_table('dept',
> Field('name',unique=True,label='Department Name'),
> format='%(name)s')
>
>
> db.define_table('course',
> Field('dept_id','reference dept'),
> Field('name',unique=True,label='Course Name'),
> format='%(name)s')
>
>
> db.define_table('files',
> Field('course_id', 'reference course'),
> Field('documentx','upload'))
>
>
>
>
> controller:
>
> def show_doc():
> rows = db( db.course.id == db.files.course_id , db.dept.id==db.
> course.dept_id).select()
> return rows
>
>
>
>
> What I am trying to do is joining department with course table and course
> table with files table so when out putting it shows a table with department
> with course and files all together. the solution doest work. it only
> creates a join between course table and files table.
>
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