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The following query:
type-of($topic_, $type_) :- {
instance-of($topic_, $type_)
|
instance-of($topic_, $type),
type-of($type, $type_)
}.
select $TOPIC from
type-of($TOPIC, %TYPE%), $TOPIC = %TOPIC%?
produces results as though the final ($TOPIC = ...) clause were not
present. If the hierarchy-walker is turned off the problem disappears.
Original issue reported on code.google.com by lar...@gmail.com on 18 Feb 2010 at 11:39
The text was updated successfully, but these errors were encountered:
This turned out to be fairly involved. Basically, if input to the
hierarchy-walker
was a single row, and that row had both input variables bound, and the one
chosen as
the goal column was a variable (and not a constant) *then* the output would be
all
valid values instead of the single value the output column was bound to.
Solved in revision 903. A test case has been added.
Original comment by lar...@gmail.com on 18 Feb 2010 at 12:32
Original issue reported on code.google.com by
lar...@gmail.com
on 18 Feb 2010 at 11:39The text was updated successfully, but these errors were encountered: