As far as I can tell, the only place null is mentioned in the DAL page is in 
the definition of tables.


On Dec 12, 2010, at 17:35 , mdipierro wrote:

> The book never says that None is "NULL"?
> I will check. That would be a big omission.
> 
> Massimo
> 
> On Dec 12, 5:24 pm, Lorin Rivers <lriv...@mosasaur.com> wrote:
>> No kidding. That should be called out in The Book.
>> 
>> On Dec 12, 2010, at 17:14 , mdipierro wrote:
>> 
>> 
>> 
>>> db(db.mytable.myfield!=None).select()
>> 
>>> On Dec 12, 5:02 pm, Lorin Rivers <lriv...@mosasaur.com> wrote:
>>>> Sometimes in the app I'm working on the default values aren't set in a 
>>>> column (for reasons outside of my control).
>> 
>>>> So, instead of using the default value as a filter, I need to also test 
>>>> for null.
>> 
>>>> How do I do that in the DAL?
>> 
>>>> In other words, "select * from table where field is not NULL;"
>> 
>>>> --
>>>> Lorin Rivers
>>>> Mosasaur: Killer Technical Marketing <http://www.mosasaur.com>
>>>> <mailto:lriv...@mosasaur.com>
>>>> 512/203.3198 (m)
>> 
>> --
>> Lorin Rivers
>> Mosasaur: Killer Technical Marketing <http://www.mosasaur.com>
>> <mailto:lriv...@mosasaur.com>
>> 512/203.3198 (m)

-- 
Lorin Rivers
Mosasaur: Killer Technical Marketing <http://www.mosasaur.com>
<mailto:lriv...@mosasaur.com>
512/203.3198 (m)


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