[elephant-devel] bug in map-inverted-index

[Ian Eslick]

That test was great.  I reproduced this on my Mac under Allegro with  
BDB 4.6.  Will let you know what I find...  I also added the test to  
testindexing.lisp.

On May 12, 2008, at 2:08 PM, Ryszard Szopa wrote:

> Hey,
>
> map-inverted-index shows some strange behavior. When you pass it
> `start' and `end' arguments and there are no objects that satisfy the
> range, it maps over the first object greater than end. I haven't have
> time to investigate it thoroughly, but I have written a 5am unit-test
> (you are using this test framework, aren't you?).
>
> (defpclass foo ()
>  ((str :type string
> 	:initarg :str
> 	:reader str-of
> 	:index t)))
>
> (test map-inverted-index-1
>  (with-open-store (`(:bdb "/tmp/store/"))
>    (drop-instances (get-instances-by-class 'foo))
>    (loop :for st :in '("a" "b" "c" "d" "g" "ga" "gb" "gc" "z")
> 	  :do (make-instance 'foo :str st))
>    (is (null (map-inverted-index (lambda (x y)
> 				    (declare (ignore y))
> 				    x) 'foo 'str :start "f" :end "fz" :collect t)))))
>
> This was on Ubuntu Hardy Heron, with BerkeleyDB 4.5 from Ubuntu
> packages, SBCL 1.0.15 and the newest unstable branch of Elephant (I've
> just made darcs pull). Funny enough, a friend of mine who is using a
> Macintosh is not getting this bug (he also uses unstable but I'm not
> sure whether it is the newest version).
>
> -- 
> http://szopa.tasak.gda.pl/
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