I'ts working, but it's results a WHERE JOIN and takes much more time than
JOIN sintax :(


2013/10/29 Massimo Di Pierro <massimo.dipie...@gmail.com>

> Try this:
>
> rows = db(db.groups.id == db.lab.group_id)(db.lab.id ==
> db.researcher_lab_permission.l**ab_id)(db.researcher.id ==
> db.researcher_lab_permission.r**esearcher_id)(db.researcher.us**er_id ==
> db.auth_user.id).select(db.**groups.name <http://db.groups.name/>,
> db.city.name,db.**auth_user.ALL)
>
>
> On Monday, 28 October 2013 21:46:28 UTC-5, Diogo Munaro wrote:
>
>> Here is the sql generated:
>>
>>     SELECT  groups.name, city.name, auth_user.email, name1.id,
>> name1.is_active, name1.created_on, name1.created_by, name1.modified_on,
>> name1.modified_by, name1.user_id, name1.image, name1.image_file,
>> name1.lattes, name2.id, name2.is_active, name2.created_on,
>> name2.created_by, name2.modified_on, name2.modified_by, name2.site,
>> name2.url, name2.cnpj, name2.type_id, name2.group_id, name2.privacity FROM
>> researcher_lab_permission, researcher, lab JOIN groups ON ((groups.id =
>> lab.group_id) AND (groups.is_active = 'T')) JOIN city ON (city.id =
>> groups.city_id) JOIN auth_user ON ((researcher.user_id = auth_user.id)
>> AND (auth_user.is_active = 'T')) JOIN `researcher` AS name1 ON (
>> researcher.id = researcher_lab_permission.**researcher_id) JOIN `lab` AS
>> name2 ON ((lab.id = researcher_lab_permission.lab_**id) AND
>> (lab.is_active = 'T'))
>>
>> Some JOINS are wrong
>>
>>
>> 2013/10/29 Diogo Munaro <diogo....@gmail.com>
>>
>>> I need these joins because I need filter some tables without selecting
>>> all the tables and filtering with where. Anyway, I tried:
>>>
>>> rows = (db.groups.id == db.lab.group_id)(db.lab.id ==
>>> db.researcher_lab_permission.l**ab_id)(db.researcher.id ==
>>> db.researcher_lab_permission.r**esearcher_id)(db.researcher.us**er_id ==
>>>  db.auth_user.id).select(db.**groups.name <http://db.groups.name/>,
>>> db.city.name,db.**auth_user.ALL)
>>>
>>> And it returns:
>>> <type 'exceptions.TypeError'> 'Query' object is not callable
>>> I'm using db.executesql and it's working:
>>>
>>> db.executesql('''SELECT l.id,g.name,c.name FROM
>>> researcher_lab_permission as rl JOIN lab as l
>>>                 JOIN researcher as r JOIN auth_user as a JOIN groups as
>>> g JOIN city as c
>>>                 ON rl.researcher_id = r.id AND rl.lab_id = l.id AND a.id= 
>>> r.user_id AND l.group_id =
>>> g.id
>>>                 AND c.id = g.city_id WHERE a.id = %s''' %(auth.user_id))
>>>
>>> Something strange with DAL...
>>>
>>> 2013/10/28 Massimo Di Pierro <massimo....@gmail.com>
>>>
>>>> (db.groups.**id <http://db.groups.id/> == db.lab.group_id)(db.lab.id ==
>>>> db.researcher_lab_permission.**l**ab_id)(db.**researcher.id<http://db.researcher.id/>
>>>>  == db.researcher_lab_permission.**r**esearcher_id)(db.researcher.**us*
>>>> *er_id == db.auth_user.id).select(db.**groups.name<http://db.groups.name/>
>>>> ,db.**city.name <http://db.city.name/>,db.**auth_user.ALL)
>>>
>>>
>>>
>>>
>>  --
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> - http://github.com/web2py/web2py (Source code)
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