I'm puzzled about the why ...
On Friday, September 4, 2015 at 12:42:32 PM UTC-7, Richard wrote:
>
> db(~db.pc.id.belongs(db(db.assigned.id > 0)._select(db.assigned.id
> )).select(db.pc.ALL)
>
> Richard
>
>
>
> On Fri, Sep 4, 2015 at 3:35 PM, P T <[email protected] <javascript:>>
> wrote:
>
>>
>> Hello Forum,
>>
>> Please help me in getting the equivalent DAL query for the following SQL
>> query. I intend to pass this on to SQLFORM.grid
>>
>> Select * from db.pc where db.pc.id not in (select unique
>> db.assigned.computer from db.assigned)
>>
>>
when there's no reference between tables:
> Web2Py Version
>> 2.9.12-stable+timestamp.2015.02.15.23.04.25
>> (Running on Rocket 1.2.6, Python 2.7.9)
>>
>> db.define_table('staff',
>> Field('name', 'string', unique=True),
>> format='%(name)s')
>>
>> db.define_table('pc',
>> Field('csi', 'string', unique=True),
>> format='%(csi)s')
>>
>> db.define_table('assigned',
>> Field('staff', db.staff),
>> Field('computer', db.pc))
>>
>> Thanks,
>> PT
>>
>>
>
(see, no "Field('reference', ...)")
/dps
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