Should'd that be

override_code = override[k].ceo_schemes_and_overrides_and_override_codes.
override_code.code1

anyway this should be faster (no nested queries)

override = db((db.ceo_schemes_and_overrides_and_override_codes.ceo_scheme ==
 ceo_scheme.id) & (db.ceo_schemes_and_overrides_and_override_codes.override 
== override_id)).select(left=db.override_code.on(db.
ceo_schemes_and_overrides_and_override_codes.
override_code==db.override_code.id))

override_code = override[k].override_code.code1


On Saturday, 22 August 2015 07:41:35 UTC-5, Gael Princivalle wrote:
>
> Hello.
>
> I've make a many to many to many relationship but I've got problems on 
> select results.
> Is it the correct way to do it?
> My DB:
> db.define_table('ceo_schemes',
>                 Field('name', type='string', requires=IS_NOT_EMPTY()),
>                 format='%(name)s')
> db.define_table('overrides',
>                 Field('name', type='string', requires=IS_NOT_EMPTY()),
>                 format='%(name)s')
> db.define_table('override_codes',
>                 Field('code1', type='string'),
>                 Field('code2', type='string'),
>                 format='%(code1)s %(code2)s')
> db.define_table('ceo_schemes_and_overrides_and_override_codes',
>                 Field('ceo_scheme', 'reference ceo_schemes'),
>                 Field('override', 'reference overrides'),
>                 Field('override_code', 'reference override_codes'))
>
> My controller:
>     override = db((db.ceo_schemes_and_overrides_and_override_codes.ceo_scheme 
> == ceo_scheme.id) & (db.ceo_schemes_and_overrides_and_override_codes.
> override == override_id)).select()
>
> In my view I can see this result with BEAUTIFY(response._vars):
> override:"ceo_schemes_and_overrides_and_override_codes"."id"
> "ceo_schemes_and_overrides_and_override_codes"."ceo_scheme"
> "ceo_schemes_and_overrides_and_override_codes"."override"
> "ceo_schemes_and_overrides_and_override_codes"."override_code"302_DWithout
> 20 
>
> But in the controller if I call:
> override_code = override.ceo_schemes_and_overrides_and_override_codes.
> override_code.code1
>
> The ticket is :
> 'Rows' object has no attribute 
> 'ceo_schemes_and_overrides_and_override_codes'
>
> Someone knows why? Is is the way that I've done the 3 tables relations 
> ship that's wrong?
>
> Thanks.
>
>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
--- 
You received this message because you are subscribed to the Google Groups 
"web2py-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to web2py+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to