[Bug 519654] [NEW] mailman archiving sorting broken

[Richard Tew]

Public bug reported:

This bug is for Mailman 2.1.x.  Checking the mailman/2.1 branch shows
that the problem still exists there.  I am aware the focus is now on the
3.x branches.  I am reporting this in case development is still being
done on this branch.

Pipermail has indexes by subject, author and date.  It stores by a tuple
typed key.

When doing the default threading approach, HyperDatabase calls
getOldestArticle with the subject.

    def getOldestArticle(self, archive, subject):
        self.__openIndices(archive)
        subject = subject.lower()
        try:
            key, tempid=self.subjectIndex.set_location(subject)
            self.subjectIndex.next()
            [subject2, date]= key.split('\0')
            if subject!=subject2: return None
            return tempid
        except KeyError:
            return None

Note the key used in the index operation is a string.  This will always
fail, because it is not the specialised article specific tuple that was
actually used as a key by pipermail.

This bug was also reported here (but is attached to a milestone I cannot change):
https://bugs.launchpad.net/mailman/+bug/266572

** Affects: mailman
     Importance: Undecided
         Status: New

-- 
mailman archiving sorting broken
https://bugs.launchpad.net/bugs/519654
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