Can we simplify to "projection=True" instead of "withprojection=True"?

Anthony

On Wednesday, June 13, 2012 2:49:55 PM UTC-4, howesc wrote:
>
> Hi all,
>
> in trunk is an update and modification to the projection queries.  because 
> of the extra index potentially needed to run a projection query i updated 
> select on GAE to take an optional attribute 'withprojection' which is a 
> boolean, when True i attempt a projection query.
>
> i also implemented Anthony's suggestion about the ID field name, and when 
> withprojection is True i do check for obvious errors (equality filters of a 
> projection field, text and blob field types).
>
> so now if you want a projection query you would write something like:
>
>   db(db.store.id>0).select(db.store.name, withprojection=True)
>
> please let us know if you have problems or further suggestions!
>
> christian
>
> On Tuesday, June 12, 2012 12:10:34 PM UTC-7, Anthony wrote:
>>
>> should projection queries be automatic on GAE, or should there be a 
>>> select attribute that specifies that i want a projection query?  how hard 
>>> should web2py work to check the validity of said query before sending to 
>>> GAE? 
>>>
>>
>> If projection queries are automatic, then the code has to do a really 
>> good job of recognizing valid projection queries and reverting to standard 
>> queries when a projection won't work (rather than raising an exception or 
>> returning no records). Otherwise, projections queries should just be an 
>> option (not the default), and we can leave it up to the developer to ensure 
>> the query is a valid one.
>>
>> Anthony
>>
>

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