What fields do you need to select. We can optimize this.

On Wednesday, 30 October 2013 05:17:09 UTC-5, Diogo Munaro wrote:
>
> 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....@gmail.com <javascript:>>
>
>> 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)
>>>>
>>>>
>>>>
>>>>
>>>  -- 
>> 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 a topic in the 
>> Google Groups "web2py-users" group.
>> To unsubscribe from this topic, visit 
>> https://groups.google.com/d/topic/web2py/0YdtJwCEdl4/unsubscribe.
>> To unsubscribe from this group and all its topics, send an email to 
>> web2py+un...@googlegroups.com <javascript:>.
>> For more options, visit https://groups.google.com/groups/opt_out.
>>
>
>

-- 
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/groups/opt_out.

Reply via email to