what does it mean "an empty variable" ?

On Friday, March 1, 2013 4:04:47 PM UTC+1, BlueShadow wrote:
>
> thanks Niphlod for this it sounds really good but unfortunatly I get an 
> empty variable when I do this.
> Richard i don't really understand what you like to say.
>
>
> On Wednesday, February 27, 2013 10:28:12 PM UTC+1, Niphlod wrote:
>>
>> you should join them and then do the ordering. auto-references are a nice 
>> facility but comes with a price: you can't use them just like if your 
>> records were in a single table to do a select or an update....
>>
>> db(db.table.refrence == db.refrencedtable.Field).select(db.table.ALL, 
>> orderby=db.refrencedtable.Field)
>>
>> On Wednesday, February 27, 2013 10:17:28 PM UTC+1, BlueShadow wrote:
>>>
>>> Hi,
>>> I got two Tables lets call them table and referencedtable. table has a 
>>> field which is a reference to referenced table. Now I like to select all 
>>> entries from table and order them by a field in the referenced table. In my 
>>> opinion it should work like this: 
>>> #defauft.py
>>>  rows=db().select(db.table.ALL, orderby=db.table.reference.Field)
>>>
>>> #db.py
>>>
>>> db.define_table('refrencedtable',
>>>     Field('Field',length=512)
>>>     )
>>>
>>> db.define_table('table',
>>>     Field('Title',length=1024),
>>>     Field('refrence',db.refrencedtable),
>>>     Field('Test','upload')
>>>     )
>>> but when I do this I get an error that referncedtable has no Field 
>>> called Field.
>>>
>>>

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