Alternatively:
pragma planner_ignore_index=1
On Sep 20, 2008, at 11:37 AM, Russell Leighton <[EMAIL PROTECTED]
> wrote:
> It would be very nice to have a way to explicitly control index use.
>
> I'm going to test my theory this weekend but I think if the index is
> not cached and the data large then the group by is faster without the
> index. If this is the case I have a real issue. I need the index for
> other queries and can't afford to drop it for the aggregations. I just
> want to tell the query planner to not use any index.
>
> If there is no way to do this with the current parser could we have an
> extension to select? Maybe something like:
> select with no index ....
> select with index index1,index2 ....
>
> Thoughts?
>
>
> On Sep 20, 2008, at 10:33 AM, "Jay A. Kreibich" <[EMAIL PROTECTED]> wrote:
>
>> On Fri, Sep 19, 2008 at 10:47:33PM -0400, Russ Leighton scratched on
>> the wall:
>>
>>> What about the null values for the aggregation keys when I put a '+'
>>> to disable the index? Is that 'as designed'?
>>
>> The "+" operator gets rid of type-affinities, and that can lead to
>> unexpected results. I'm not sure if one would consider these
>> specific results "as designed" or not, but it is known that "+" is
>> not totally without side effects:
>>
>> http://www.sqlite.org/cvstrac/tktview?tn=3279
>>
>>
>> -j
>>
>>
>> --
>> Jay A. Kreibich < J A Y @ K R E I B I.C H >
>>
>> "Our opponent is an alien starship packed with atomic bombs. We have
>> a protractor." "I'll go home and see if I can scrounge up a ruler
>> and a piece of string." --from Anathem by Neal Stephenson
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