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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